Showing posts with label technology. Show all posts
Showing posts with label technology. Show all posts

Wednesday, September 16, 2020

Benefits Of Being A Network Engineer

Technology is constantly changing and improving the way we work and live. Network engineers have many roles, including corporate computer networks. There are many benefits to being a network technician, including paid, great companies, and working with some of the best technology. If you want to learn about the benefits of becoming a network engineer, read on.

Be A Network Engineer

Network engineers can work for large technology companies and other companies. As a network technician, you are heavily exposed to new technologies. Experienced qualifications create many opportunities.

What Exactly Does A Network Engineer Do?

Network technicians work on computer networks within the company. Use a variety of technologies to enable a platform that can be used by all employees. The complexity of your network ultimately depends on the size of your company.

Network engineers are important to most large companies because they need to have a thorough understanding of the network in use. You need good analytical skills. Edit complex network systems to diagnose and find problems on your network.

You may be asked to make a design drawing of your communications network and you need to make sure that any networks you create are working at a high level.

How Can I Be One

Many say they probably need a degree in computer science, but that's not always the case. As with most technical professions, some qualifications and certificates are required. One of the best qualifications to benefit from is CCNA, a Cisco Certified Network Associate certification. It not only tests the theory of computer networks, but also tests the practical knowledge required for the role of Junior Networking Engineering. Not only are they accredited because they have industry-recognized certifications, but companies also find it difficult to conduct these tests.

 

Employer

For most employers who want to know that the network technicians they employ have technical knowledge, they can be assured that they will know what to do when they take on a new role. Give them. A well-qualified network technician will help you become a more reliable company to your customers and increase your profitability.

Personal Benefits

Certificates are a great way to show value in your company. It shows your skills and opens up more job opportunities for you in the future. With relevant qualifications you will learn the basics and concepts of the network. Studying CCNA or its equivalent gives you an advantage over other candidates. It shows motivation to learn, motivation and credibility to stick to something.

Salary

Currently, qualified people tend to have higher salaries, but in most cases they are paid lower because they can join the network without actually being qualified. After certification, you will most likely be looking for a job with a salary over £ 18,000.

Experience

We always recommend working with a company that has as much experience as possible and can do practical work. I understand that having hands-on land experience with a high tech company can be a daunting task.

Job Benefits

Network engineers can take advantage of a variety of benefits, including:

New Technology

Technology is constantly evolving. This means that you will continue to learn new things and your knowledge will increase significantly as you age.

Meaning

Your professional role is seen as one of the most important in your company as you have enormous responsibility. Most organizations rely on network engineers to keep things running smoothly in the event of a malfunction or damage to the network that is responsible for correcting the problem. Corporate network issues can result in lost profits and are likely to be addressed first. You are the first to discover network errors and virus attacks. You're basically saying it's a big deal because you are so important to running your business.

Interesting

I use my brain consistently because some of the problems I may encounter in my role can be complex and very diverse at the same time. Information on cloud-based IT solutions for your company can be found at REACH, a customizable industry-specific workspace solution.

Precious

As a trained network technician, you can apply for almost any company as most companies have some kind of network that you have to maintain on a daily basis.

Opportunity

There are so many ways to become a network technician and before you know it you will find that you are growing fast in the business you are a manager.

 

Why Should You Hire A Remote Network Engineer For Your Business?

 What is remote work? Remote work is when the agent is working from outside the office. You can operate it from where you need it (if you have something physical). The popularity of remote working is increasing every year.

From the development of computers in the 1970s to today, more and more companies are turning to remote workers. When hiring remote network engineer, they need to be honest, have a broad background, and be able to perform the tasks they need from anywhere in the world.

The 20th century revolution began with telecommunications and communications working together. Telecommunications has changed over time as the global needs and demands for remote assistants have accelerated.

Many employees are remote workers because of the privileges associated with them. This independence increases productivity, lowers business costs (e.g. operating costs) and reduces employee turnover (satisfied employees = fewer people who want to work abroad).

What is a Remote Network Engineer?

Remote network engineer play an important role in any business because of the nature of these duties, especially in the IT and telecommunications business. You have the difficult job of setting up, organizing and maintaining various computer networks in the company. On the other hand, when problems or network problems arise, they are one of the key factors causing business ticks.

Without a skilled and skilled remote network technician, your business will not have the opportunity to grow globally. Your foundation and network are exposed to cyberattacks, and good communication between you and you is at risk. To be exposed.

As network engineers improve their skills and portfolio, they can practice in the right areas of the network. From network security specialists to cloud network architects to network research and development specialists (to name a few), there are many future career paths they understand. These individual roles are also important for companies that are expanding globally and need cutting-edge communication.

A Brief History Of Remote Work

From the Middle Ages to the Industrial Revolution, individuals mainly worked on farms, etc., from the comfort of their homes. When the industrial revolution took place, industrialization and business emerged in the 18th century. Since then, the world has started developing office space and finally invented the wireless Internet in 1991 to allow businesses to expand globally and interact with prospects and other businesses regardless of time zone. were.

In 2010, President Baraku Obama approved the Teleworking Improvement Act and encouraged federal agencies to introduce flexibility in the workplace through teleworking. The main focus has been on providing a balanced working life for employees of companies around the world. As a result of this and other activities around the world, testing of remote work using telecommunications has begun.

Since then, several global companies have been using remote working. From commonly used Hotmail and Skype tools to team collaboration tools like Slack, communication tools have reduced the need for on-site space.

How Remote Network Engineers Can Improve Their Business?

As mentioned above, hiring a remote network technician offers many business benefits. When the networks are in different parts of the world, they can implement the software. This means that no matter where it is, you can access the system and fix the problem.

Your company can benefit from hiring a remote network technician.

As software and technology improve, the ability to monitor your network in real time can quickly and efficiently resolve problems. With remote access, you can see every moment and prevent problems from occurring.

Remote network access enables network engineers to monitor moving devices. You don't have to be in the office to check the status of your devices without the risk of access errors or power outages at work.

 

Many organizations may feel that working remotely can be a higher security risk. Even so, network engineers can ensure that a company's network is protected by protecting the network through authentication and encryption. Confusing data, shielding files, and usually requiring a passcode keep the system secure.

Remote network engineers can also improve network security by monitoring access and using software to identify potential threats.

Top 5 Network Monitoring Challenges While Assisting Remote Workers.

A 2020 Cube survey of technology workers found that around 53% prefer to work from home. Attendees included employees from some of the world's most admired technology companies, from Apple to Google to Microsoft. Many experts have already speculated that remote working will not become even more popular because of COVID-19, but because employees who work remotely are more productive than colleagues in the office.

The quality of life may be related to productivity, reducing travel time or increasing work and leisure productivity. In any case, remote working appears to be the next phase in the long-term digital transformation in the workplace. Perhaps every network engineer will have to support remote users at some point, perhaps even remotely.

Fundamental change

To support remote work, we need to radically change the way we manage and monitor our network. Network monitoring tools widely used today do not support remote workers (or remote offices). Monitoring network device status, a core function of most tools, has little to do with the various problems remote users experience and is of little help in pinpointing the root cause of the problem.

Therefore, the #WRF network monitoring challenge is one of the toughest challenges engineers face, especially when using older tools. Here are the top five challenges related to the technical and business implications of assisting remote workers.

1.The lack of visibility of the user experience limits root cause analysis

The network monitoring tool was created to track problems with network devices, not users. The more complex networks become, the more important the user experience becomes in determining the root cause of the problem. A recent telephone survey of networking professionals conducted by LtM Research found that nearly half of reported users receive tickets frequently.

2.Difficult to track intermittent problems, duration

Most network monitoring tools rely on data samples for root cause analysis. If the data collected indicates a problem, a solution is easy to find. However, with intermittent problems, the sampled data can even be misleading. It can take days, weeks, or even months for an engineer to try to find a problem. As explained in the previous paragraph, this is a tool problem. Network monitoring tools based on sampled data temporarily miss problems and waste time analyzing the root cause.

3.Reduced productivity: users and network technicians

The business problem with two technical shortcomings is decreased productivity. More time is wasted drawing conclusions based on incomplete visibility and data. If the problem is not resolved quickly, engineers and users will be less productive. In addition, the wrong tool can turn an easily solvable problem into a long-term headache that can have a significant impact on business productivity.

4.ISPs and networks are often criticized

Ask a network technician: when a user encounters a problem, one of the first suspicions is usually the network or the ISP. However, if the monitoring tool does not have sufficient visibility (or data), no one can identify it. It's all a guess, and guessing without data is a waste of time in a complex network that spans multiple carriers. On the other hand, tools that triangulate problems can identify problems across hops in the carrier network. In short, visualization with the right tools can help you diagnose wearer problems before they become aware of them.

5.Unable to meet SLAs

Another business challenge associated with tools with low visibility and missing data is the difficulty of maintaining and applying service level agreements. Therefore, if you can't pinpoint the location of the problem, you probably don't know the root cause, or who or what should be responsible. This issue can affect relationships between networks and IT teams, as well as executives, and service providers report inadequate data. It hurt everyone.

As more and more employees prefer to work remotely, network engineers need new tools to address the growing importance of raw data for user experience, visibility, and root cause analysis. Without these new features, engineers would be more sensitive to issues that could be identified before users and careers, wasting valuable time trying to identify the root cause with older tools.

Friday, September 11, 2020

What Is A Network Engineer? : It’s Role in Information Security.

 Organizations, governments, and even remote users have access to computer networks to carry out their day-to-day operations. The infrastructure, including software and hardware, supports the connectivity and operation of corporate networks.

Network engineers design the computing infrastructure based on business needs and evaluate the flow of information across the company and externally. The network engineer spend a lot of time graphing data flows, especially as networks grow in size and complexity.

After configuring the appropriate hardware, software and services, the network technicians test the system to ensure that information flows properly. If an error or service interruption occurs, the network engineer must troubleshoot, diagnose, and test the system until it works. Once implemented, network engineers perform regular maintenance to protect and update the network.

Protection Against External Attacks

Attacks on network systems are increasing. According to a TechRepublic report, the number of data breaches published in the first half of 2019 was over 3,800, a 54% increase over the same period last year. Almost 90% of these data breaches can be traced back to external attacks. In addition to continuously updating hardware to meet network requirements, network engineers must install scanning and blocking systems to prevent phishing and ransomware attacks. Another part of network technicians is educating employees about these attacks and preventing suspicious emails and information from being accidentally leaked.

Network engineers balance the importance of security with the growing demand for faster, more efficient, and more flexible connections and computers. Network engineers must adapt to changing technologies as they update and optimize their corporate networks; B. to new cellular systems of the 5th generation (5G). Implementing these technologies involves testing new processes and devices, monitoring system performance, and completing training manuals for users.

Network Engineer salary

Advances in technology and the need to secure information are increasing the demand for IT professionals such as network technicians. According to PayScale as of October 2019, the average annual salary for network technicians is $ 72,398.

Skills That Are Needed For The Future Of Network Engineering

According to an article by Robert Half, a recruitment agency, many organizations require network engineers to be "masters of all networks." Both technical and communication skills are very important for aspiring network technicians.

Computer Skills For Network Engineer

It is important for network engineers to understand the hardware and software of local and wide area networks and their implementation in network structures. Advanced knowledge of tools and concepts such as Java, Python, blockchain and cloud services are becoming increasingly important.

Math insight is another important skill in defining a network engineer. Network engineers cannot use advanced math every day, but as network systems become more complex, it is beneficial to be able to understand computer operations in mathematical ways.

Soft Skills For Network Engineer

Network engineers are often translators between business goals and technical requirements. You will communicate with business leaders and project managers to better understand their business goals and technology solutions.

These communication skills are important when your system is down or when your company has a network incident. Network engineers and their teams must use problem solving skills to identify problems, develop corrective action plans, and then communicate these to other members of the organization and other affected parties. In many cases, in order to develop this plan, it will be necessary to explain the technical terms in a format that is easily understood by those with no technical background.

How To Start Your Career With Network Engineering?

How To Start Your Career With Network Engineering

With so many potential jobs available in computing these days, it can be difficult, for example, to decide whether you want to work on a computer network or in IT support. However, if you are fascinated and impressed with the design of your network architecture and the implementation of your system plan, your career in network engineering is probably the way to go.

Some people prefer to work later in the network lifecycle - they prefer to provide technical support or do their day-to-day operations as network administrators. If you want to solve front-end problems with planning and design, you are a good candidate for network engineer.

 

How do you start? What steps can you take to advance your career as a network engineer? Here are some tips to help you kick off your chosen career.

Be Certified

In fact, network networking usually doesn't require more certification than what it takes to create a business continuity plan. Once you have a degree and experience, certification is easy to apply.

However, some companies want to hire network technicians who have certain certifications, such as: B. from Cisco and Microsoft. They may not be required, but they can help advance your career and improve your job.

Pay The Membership Fee

Unfortunately, you are unlikely to begin your career as a network technician. Many companies that are looking to get this type of work out first will require years of network management.

This is not a terrible event. You need to spend time troubleshooting and repairing your network to understand the needs and issues most businesses face when using the services of a network technician.

This experience is important in order to gain an insight into how you can create the optimal network architecture for your customers. Just as computer security professionals spend their time looking into hacks and other security problems and finding the best ways to prevent them, network technicians should do so before developing better options. , You must have experience in network management.

Thursday, September 10, 2020

Automation Enables Network Professionals To Address These Five Things.

 Networks are an important part of modern business infrastructure. As more devices and things continue to connect, network engineer face increasingly complex workloads. However, administrators do not need to be associated with the network to maintain high performance. In the digital age, companies can use network automation to improve operational efficiency, freeing up engineers to work in higher value areas.


1. Information Security

Cybersecurity risks continue to grow, both in terms of the methods used and the potential cost of doing business. Service providers must take a creative approach to this threat. Automation allows network engineers more time to explore new techniques and ensure a strict level of protection.

2. Network Optimization

By spending less time on day-to-day operational issues, you can spend more time on techniques that help make your network faster and more efficient. Advanced telemetry and analytics enable staff to optimize the network and personalize the user experience. Also, keep in mind that virtualization of network functions and software-defined networking include techniques for engineers to further improve network performance.

3. True Agility

Consumers in the digital age are more demanding than ever. Service providers must be able to respond quickly. The ability to expand services to meet the demands of startups is key to the success of the network. With automation, engineers can easily connect and reproduce new elements to build, modify, and troubleshoot network provisioning elements on demand. The result is a smarter and more flexible approach to your network.

4. Business Commitment

Like all modern IT professionals, a good network engineer needs to spend less time on cabling and more time with people. With automation, engineers can spend time outside the data center and have time to discover what their business peers are looking for on a network. They can find the elements that need improvement and think about how a good the network can improve the customer experience.

5. Digital Transformation

Daily operational concerns are not the key to success in the digital age. The competitive advantage of your business is its ability to absorb constant changes. New developments like 5G, IoT, video and cloud continue to be offered online. Network professionals need space to support their business growth strategies. By automating provisioning, engineers can spend time in real-world areas of innovation, such as mobile apps, connectivity, and rich media experiences.

Your company needs to find partners who can help you automate your network and enable real digital transformation. Cisco's open network architecture for service providers represents an infrastructure transformation that leaves much of its previous focus on software, hardware, services and operations. Find out how Cisco's open network architecture can help your business.

Does 5G Network Need New Skills As A Network Engineer?

 5G networks can affect the skills of the network engineer in areas such as security, physical devices and software. But for now, the business team doesn't see much change.


The transition to the next fifth-generation standard begins with IP-dependent 3G cellular networks. It is also the foundation of most business networks. 4G networks combine more functions, including the processing of cellular voice traffic over IP.

When IP becomes the default for both networks, it is clear that customer network operators and engineers will begin to share many common network skills. The transition to 5G is currently underway. By 2020 or 2021, most operators will be in commercial operation from 5G to 2024, which could be a major operator technology.

A network engineer in business data centers may not see widespread changes in skills, as 5G is primarily an operator technology. However, business support may change over time as 5G networks can create new opportunities for cloud-based mobile applications.

Where do the skills of network engineers change the most?

Security is an important area of​​business team network engineer skills. The combination of business networks, cloud services, and 5G can create duplications and gaps in network security that engineers must carefully manage.

Operator network engineers are experiencing change and complexity as the introduction of 5G changes the way companies build and deliver telecommunications services. Therefore, 5G networks require a different programming capacity to handle the amount and types of services that organizations plan to run on their cellular infrastructure.

Focusing on software and microservices is essential to the implementation of 5G commitments and should be an integral part of all 5G services. Network engineers can no longer program each device through the command line interface (CLI). Complexity requires software-defined programming, orchestration, and automation capabilities.

The following areas are important to the skills of network engineers.

Software-defined networks for routing and switching.

A software defined wireless access network for wireless connections to mobile phones and devices.
Virtualization of network functions to virtualize applications and physical network functions, such as gateways, firewalls and load balancing.

Automation and orchestration to process changes quickly and efficiently depending on conditions and loads.

With the move to a more virtualized world where programmable devices and automation control much of what happens on networks, the old device-level CLI configuration method is fast disappearing.

Does 5G network need new network engineer skills?

5G networks can affect the skills of the network engineer in areas such as security, physical devices and software. But for now, the business team doesn't see much change.

The transition to the next fifth generation standard begins with IP-dependent 3G cellular networks. It is also the foundation of most business networks. 4G networks combine more features, including handling cellular voice over IP traffic.

When IP becomes the default for both networks, it's clear that customer network operators and engineers will begin to share many of their common network skills. The transition to 5G is currently underway. By 2020 or 2021, most operators will have commercial operations from 5G to 2024, which could be a major operator technology.

Network engineers in enterprise data centers may not see widespread changes in skills as 5G is primarily an operator technology. However, business support may change over time as 5G networks can create new opportunities for cloud-based mobile applications.

Top 5 Network Tools & Software For Network Technicians

 As the scope of the networking field has expanded, many advances have been made to make it easier and more accessible to people with the help of networking tools and software. Today, about half of all graduates and undergraduates dream of having a career in networks and working as network engineer at a well-known IT company every year.


However, learning to network yourself and apply it to different network conditions is not easy. As a result, many network engineers / administrators use network tools and software to troubleshoot various network problems.

No tool or software is sufficient to handle different network conditions, so each situation has its own tool to implement a solution.

Top 5 Network Tools And Software.

Many networking tools and software are available. In this situation, it is very difficult to choose the right one depending on the problem. Therefore, this is a list of the 5 best network tools and software that are used effectively today.

1. Cisco Packet Tracer V7.2:

It is the best software with a variety of tools to design, diagnose and obtain images from any network. A virtual simulator used on multiple platforms. Network learning students often use it to practice and understand the behavior of network devices.

By mimicking different networks to create topologies, you can expand your growing mind and make your organization more reliable. An easy to use interface with easy drag and drop, add, delete and commands to configure the network is highly desirable for users. Widely accessible on Windows and Linux operating systems with applications like iOS and Android.

2. PRTG network monitor (Paessler router traffic graph):

The most reliable and easy-to-use software that monitors various network hosts, such as routers, switches, servers, etc., and helps analyze system status, such as bandwidth usage and uptime.
With this software, network engineers / administrators can identify the root cause of common network problems and quickly find a solution. You can also install and use the free version of this tool on your device to verify its reliability.

3. PUTTY:

PuTTY is a free application. Network engineers use it as an open source terminal emulator and a serial console to configure or reconfigure the network. It is a very easy to use application, since it supports various network protocols such as SSH, Telnet, SCP and various raw socket connections.

PuTTY is available in source code and users don't have to write new code for every fix. Written by Simon Tatham for Microsoft Windows, but then ported to various other operating systems.

4. WhatsUp Gold:

WhatsUp Gold is basically a management tool often used by network administrators and network engineers. With this tool, each user can inspect the status, performance, and capabilities of cloud network devices and servers.

Collects network information over time and summarizes it in reports stored in the MS SQL database.

5. SecureCRT:

SecureCRT is an SSH and Telnet client management tool, marketed by VanDyke Software for users. It works on Windows, Mac OS X and Linux.

Provides users with a graphical user interface (GUI) with tab support, GSSAPI (General Security Services Application Program Interface) smart card, public key assistance, and other features.

Various IT organizations and their engineers use these network tools and software to implement their own network solutions.

All individual administration tools, monitoring tools and software are upgraded to T2T, giving users the best learning and working experience. These analytical tools play an important role in facilitating our daily work, so you should choose the one that suits you best.

Wednesday, October 9, 2019

Defined About Network Automation & its Benefits


Network automation is a methodology in which the software automatically configures, supplies manage and test network devices. It is used by companies and service providers to improve efficiency and reduce human errors and operational expenses.

Network automation tools support functions that range from basic network assignment and device discovery to more complex workflows, such as network configuration management and virtual network resource provisioning.

Network automation also plays a key role in software-defined networks, network virtualization and network orchestration, allowing automatic provisioning of tenants and virtual network functions, such as virtual load balancing.



Types of Network Automation

Automation can be used on any type of network, including local area networks (LAN), wide area networks (WAN), data center networks, cloud networks, and wireless networks. In summary, any network resource controlled through the command line interface (CLI) or an application programming interface (API) can be automated.

Scripting-based Network Automation -uses scripting and programming languages to execute tasks, ideally those with precise triggers and consistent procedures. Inherited languages, such as Perl and Tcl, prevail in network automation due to their familiarity. But, as networks become more complex, new open-source programming languages, such as Python and Ruby, have gained popularity for their ease of use and flexibility.

Software-based Network Automation - frequently called intelligently network automation is composed through an administrative gateway that disposes of the need to execute directions by hand. These stages for the most part give layouts for making and executing assignments dependent on basic language approaches.

Benefits of Network Automation

Network automation has three main benefits.

Improved efficiency When automating functions on network devices, humans no longer have to perform time-consuming tasks.

Less chance of human error. Manual tasks are prone to human errors, and when the stability of a company or network of service providers is at stake, the consequences of a miscalculation or incorrect entry can be significant. Setting up a task for automation means that it must only be entered correctly once.

Lower operational expenses. This benefit comes as a result of the two previous items. By eliminating certain manual tasks related to network device provisioning and network management, companies can operate with greater speed and agility. For example, automatic provisioning can prevent a network engineer from having to travel to a new branch to establish network connectivity, allowing employees at that site to work faster.


this article was originally published on ------- read more

Monday, October 7, 2019

What is Wireless Network? How to Strengthen Your Wireless Network?


Wireless networks are computer networks that are not associated with cables of any sort. The utilization of a wireless system empowers ventures to stay away from the exorbitant procedure of bringing cables into structures or as an association between various hardware areas. The premise of wireless systems is radio waves, a usage that happens at the physical degree of system structure.

The list of potential attacks that wireless networks are showing shows how important it is to worry about wifi security. Indeed, many people still believe that a secure password and a firewall are sufficient to ensure maximum protection. To ensure complete protection of a wireless network, it is necessary to do more than turn on a router, a five-minute installation and find a password that is difficult to guess but not too complicated to enter. The more cautious about configuration and installation, the more secure the network will be.



The basis of How to Strengthen Your Wireless Network?

The network access point, usually a router, as the central control point of the network, is also a decisive factor in its security. Indeed, it is the settings of the hardware components that determine whether an attacker can penetrate your wireless network in seconds, or if it will be blocked thanks to sufficient protection. Here are the most important configuration steps.

Step 1: Install individual administrator access

To configure an access point, it must be managed by an operating system, which is in the user interface of your usual browser, as soon as you have access to the IP address of the access point. Access to this interface is through a user account with a standard username and password. These connection data are not individual, but identical according to the device models, they are generally very simple identifiers, such as "admin" (password or username) or "1234". At the beginning of the configuration, you must indicate your own login data for the administrator account.

Step 2: Choose WPA2 as the encryption method

To encrypt the wifi, it is imperative to choose the WPA, its predecessors WPA and WEP having shown increased risks in terms of security. Similarly, the mixed combination "WPA / WPA2" is not recommended either. It is wise to have WPA2 compatible devices instead , and not rely on old encryption methods. If you use WPS configuration software, simply turn it on only when necessary.
  
Step 3: Set a secure wifi password

So far, WPA2 has only experienced password attacks, including brute force attacks and dictionary attacks, which are very popular with cybercriminals. It is therefore essential to set the bar very high with regard to the security of the password. It is advisable to use encryption algorithms and word lists during the installation of the wifi: this can, for example, consist of a maximum of characters possible, using both upper and lower case letters, numbers and special characters. It is also recommended to avoid understandable words, and instead choose random letters. You can also keep the wifi password on paper in a safe place while keeping it in a digital format is not recommended.

Step 4: Choose a non-identifiable network name

One of the security measures for wifi is to formulate an SSDI (English Service Set Identifiers ) unidentifiable. SSDI is the name of your network, and anyone viewing the list of available networks can see it. Therefore, if you are not an open hotspot, it is recommended that you do not share any personal information that may be related to you, your business, or your location. For many, hide the name of the network wifi ( hidden SSID) is progress in terms of safety. This technique, however, does not represent a barrier against cybercriminals and leads to a more difficult connection for authorized customers. By hiding the SSDI from its wifi, it is also possible that some devices no longer detect the network.

Step 5: Enable Automatic Updates of the Operating System

For the security of wifi in general, it is essential that the operating system of the access point is always up to date. As with any program, cybercriminals can exploit security vulnerabilities discovered here, such as taking ownership rights or introducing malicious software. Some access points have an automatic update feature of the operating system, which can be activated securely. Otherwise, it is a good idea to regularly check for updates for your device and then download and install them manually.


This article was originally published on ------- read more

Thursday, October 3, 2019

The Difference Between Network Simulation & Network Emulation?


For tests in the area of ​​networks, the terms emulation and simulation are often used interchangeably. In most cases, the terms explain what the individual wants to say. But in practice, there are big differences between a network emulator and a network simulator.

For a network engineer, an incorrectly configured application can cost a lot of time to find the problem. If you want to avoid such problems in advance, the network engineer only has thorough and efficient testing of the applications. It does not matter whether it's installing a new network, migrating to the cloud, or adding a new device to the rack. The individual steps within the entire life cycle of an application should be validated with appropriate tests.

For tests in the area of ​​networks, the terms emulation and simulation are often used interchangeably. In most cases, the terms explain what the individual wants to say. In practice, however, there are big differences between a network emulator and a network simulator.



Network Simulation v/s Network Emulation

Network Simulators

A network simulator uses mathematical formulas to represent a complete virtual model of a network. Simulators are usually implemented as software solutions and various simulators are available today for the various applications. These are primarily used in the field of research and teaching, but can also be used as test instruments in the design and development of networks.

Simulators (such as the open-source solution ns-3 can simulate network and routing protocols.) Riverbed's OPNET Simulator has been integrated into its Steel central product line to provide a standalone simulation environment.

Both network simulators provide a discrete simulation of network events and are able to chronologically display and monitor the respective data flows. On this basis, a network architect can create and evaluate a model (including the topology and application flows) of a network. Since a variety of scenarios can be simulated in the virtual network construct, a hypothetical performance assessment is possible before the network is implemented in the real world.

Although testing a network-based network simulator saves time and money, these components are not without problems. The simulation of highly complex operations requires a certain amount of experience and training to properly configure the network simulators or to provide reliable results. In addition, network simulators are not always usable because certain events cannot be achieved independently of a physical network.

Network Emulators

A network emulator is used to test the performance of a real network. These devices can also be used for quality assurance, to prove the functioning of a concept or for troubleshooting. Available as network or software solutions, a network emulator allows the networker to test the ability to react, measure throughput, and assess the application before making changes or additions to a system, or impacting the user before the actual test Changes are made to the network.

When a network emulator is placed between two LAN segments, it can mimic a WAN connection (without the need to install routers) and even replicate real-time traffic. The network emulator can be configured to have bandwidth limitations and connection problems (such as packet loss, delay, and jitter) on the emulated connection. Latency can also be specified to emulate data transmission over long distances and to test the correct behavior of applications.

Software solutions such as NetEm (already integrated into the Linux kernel) are ideal for network testing at low data rates. The limitations are caused by the platforms the emulator works on.
Hardware solutions (such as Linposropy 8510 from Apposite Technologies / Digital Hands have been specifically designed for this single use case and therefore offer correspondingly higher performance.


this article was originally published on ------- readmore

Thursday, September 26, 2019

What is Network Infrastructure & Its Components?


Network infrastructure is the hardware and software assets of a whole network that empower network connectivity, correspondence, activities and the board of a venture network. It gives the correspondence way and administrations between clients, forms, applications, administrations and outer networks/the web.



The following common network infrastructure components have a direct impact upon the success of your deployment:

  • Routers and switches
  • Firewalls
  • Load balancers
  • Storage Area Network (SAN)
  • DNS
Routers and Switches

Routers interface networks of your infrastructure, empowering frameworks to convey. You have to guarantee that the routers have to save limit after the sending to adapt to anticipated development and utilization.

In a comparable vein switches associate frameworks inside a system.

Routers or switches running at limit will in general instigate heightening bottlenecks, which result in fundamentally longer occasions for customers to submit messages to servers on various networks. In such cases, the absence of prescience or use to update the router or switch could have a work force efficiency sway far more noteworthy than the expense.

Firewall Access Control

Firewalls sit between a switch and application servers to give access control. Firewalls were initially used to secure a confided in the network (yours) from the untrusted network (the Internet). Nowadays, it is ending up increasingly regular to ensure application servers all alone (trusted, confined) network from the untrusted networks (your network and the Internet).

Router configurations add to the aggregate firewall capacity by screening the information exhibited to the firewall. Router configurations can conceivably square undesired administrations, (for example, NFS, NIS, etc) and use bundle level sifting to square traffic from untrusted has or networks.


Load Balancers

Use load balancers to disperse generally load on your Web or application servers, or to disseminate request as per the sort of assignment to be performed. On the off chance that, for instance, you have an assortment of devoted applications and subsequently unique application servers, you may utilize load balancers as per the sort of application the client demands.

In the event that you have different data centers, you ought to consider geographic load adjusting. Geographic load adjusting disseminates load as per request, site limit, and nearest area to the client. In the event that one focus ought to go down, the geographic load balancer gives failover capacity.
For load balancers on Web ranches, place the equipment load balancers before the servers and behind routers since they direct steered traffic to suitable servers. Programming load adjusting arrangements dwell on the Web servers themselves. With programming arrangements, one of the servers commonly acts a traffic scheduler.

Storage Area Networks (SANs)

Understanding the data requirements of the capacity framework is important for an effective sending. Progressively, SANs are being conveyed so the capacity is free of the servers utilized related to it. Conveying SANs can speak to a diminishing in an opportunity to recuperate from a non-useful server as the machine can be supplanted without moving the capacity drives.

Utilize these inquiries to assess if your sending stockpiling requirements would be best served through a SAN:

  • Are reads or writes more prevalent?
  • Do you need high I/O rate storage? Is striping the best option?
  • Do you need high uptime? Is mirroring the best option?
  • How is the data to be backed up? When is it going to be backed up?
Domain Name System (DNS)

Servers which make substantial use of DNS questions ought to be outfitted with a neighborhood reserving DNS server to diminish query inertness just as network traffic.
When deciding your prerequisites, consider apportioning hostnames for capacities, for example, mailstore, mail-hand-off in, mail-transfer out, etc. You ought to consider this arrangement regardless of whether the hostnames all are right now hosted on one machine. With administrations designed in such a manner, migration of the administrations to interchange equipment altogether decreases the effects of the change.


this article was originally published on ------- read more

Wednesday, September 25, 2019

What are different types of Computer Network & Why it is Important?


A computer  network is a gathering of computers connected to one another that empowers the computer to speak with another computer and offer their assets, information, and applications.



A computer network can be categorized by their size. A computer network is mainly of four types:

  • LAN(Local Area Network)
  • PAN(Personal Area Network)
  • MAN(Metropolitan Area Network)
  • WAN(Wide Area Network)
  • Home Area Network (HAN)


Personal Area Networks (PAN)

Personal Area Networks are interconnected innovation gadgets that serve a solitary individual inside one office. The container is available inside a separation of 10 meters and is a reasonable alternative for little workplaces or habitations. Container empowered gadgets incorporate phones, computers, computer game consoles, and fringe gadgets. Dish gives the greatest adaptability. You can transfer pictures or stream music and recordings online to your gadget.

Local Area Network (LAN)

LANs are restricted to a solitary structure like an official foundation. LAN covers a characterized area. LAN is fundamental for asset sharing including record servers, printers and information stockpiling. LAN equipment, for example, ethernet links and centers are moderate to obtain and keep up.

Small LANs oversee 2 or 3 computers while huge LANs have a huge number of servers. Web network can either be wired or wireless. LAN is famous with numerous foundations because of its fast and low set up expenses.

Metropolitan Area Networks (MAN)

MAN covers a particularly bigger are than LAN. MAN comprises of arranged computers covering a town, city or campus. Contingent upon the association, MAN can interface a solitary area or cross a few miles. MAN is a progression of a few LANs connected to make a more prominent network, otherwise called Campus Area Network (CAN) or Campus Networks.

Wide Area Networks (WAN)

WAN covers a bigger geological area than MAN. The network associates a nation or even mainlands. Also, the computers are interlinked by links, optical filaments or satellites. Most clients can get to the network by means of modems. WANs comprise of littler a few networks of LANs and MANs. The web which comprises of networks and portals is a case of an open WAN.

Home Area Network (HAN)

HAN is a PC network restricted to a characterized limit like a house or home office. HAN is a sort of IP based LAN which can be either wired or wireless. HAN is a broadband association accessible to a few clients utilizing a wired or wireless modem. It comprises of shared gadgets like faxes, printers, scanners or information storages.

Importance of Computer Networking

File Sharing

Computers associated with a network can impart records and reports to one another. Personal computers associated with a business network can pick which documents and envelopes are accessible to share on the network.

Printers

Computers can print pages to another PC with a printer on the network. Also, printers can be associated with utilizing a print server, which permits direct printing from all computers.

Sharing Media

Sharing media between computers is simple when associated with a network. Like record sharing, computers can stream considering, recordings and motion pictures starting with one PC then onto the next.

Media Center Server

A media the center server can store your whole stimulation library on a brought together center to give brisk access to your media from each PC on your network.

Video Games

Support and PC gamers profit by networking moreover. You can without much of a stretch set up multiplayer demise coordinates and even have your own game server.

this article was originally published on ------- read more