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SD-WAN vs MPLS – What’s the Difference?
Introduction WAN, or Wide Area Network, plays a major role in connecting computer networks over long distances. It ensures that there should be smooth communication as well as efficient data transfer between different locations. Companies and network engineers rely heavily on WAN technologies to link their offices, data centers, and remote sites. There are two…
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What is CCIE (Cisco Certified Internetwork Expert)?
Introduction Computer networking solutions have now become the backbone of every business operation. Whether it’s a small startup or a large enterprise, everyone relies heavily on networking infrastructure in order to achieve seamless communication as well as data transfer. As with time, businesses continue to expand and evolve, which makes it crucial to have skilled…
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Top 10 IT Courses with Job Guarantee (2025)
Introduction With the rapid advancement in technology, individuals must go for IT courses that will help them acquire specialized skills that are in high demand. For beginners especially, it can be challenging to get a job in the present competitive market. Now, how do students get job assurance after completing IT courses? This is where…
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What does 100% Job Guarantee Mean?
Introduction In today’s competitive market, getting a job can be difficult for many students as well as recent graduates. With the uncertainty of finding employment after completing their education, many individuals are left feeling anxious and overwhelmed. This is where a 100% job guarantee comes into action. In this blog, we will explain the meaning…
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What are the Different Types of WANs?
Introduction In today’s world of connectivity, Wide Area Networks (WANs) play a major role in connecting different networks irrespective of the location. This further assists in smooth communication and data transfer among clients and organizations. As cloud computing and remote work become more prevalent, having a good knowledge of the WAN types is crucial for…
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Top 20 OSI Model Interview Questions and Answers (2025)
Introduction If someone is preparing for a network-related job interview, it is possible that they may encounter some questions based on the OSI model. In order to help students clear their interviews, we have hand-picked some of the most asked and important OSI model Interview questions and answers for freshers as well as working professionals.…
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How Does Packet Flow in Network?
Introduction Packets are the basic units of data that are transmitted over a network. A packet is a small piece of information that contains the source and destination addresses, the data itself, and some additional information for error checking and routing. Packets are sent from one device to another through various intermediate devices, such as…
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What is PIM Protocol (Protocol Independent Multicast)?
Introduction Multicast is a technique that allows one source to send data to multiple destinations simultaneously without duplicating the data packets. This can save bandwidth and improve network efficiency, especially for applications that involve streaming media, online gaming, video conferencing, or distributed computing. However, multicast routing is a challenging task, as it requires the network…
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What is Network Function Virtualization (NFV)?
Introduction NFV stands for Network Function Virtualization, and it’s a way of running network services, such as routers, firewalls, and load balancers, on virtual machines (VMs) instead of physical hardware. This means one doesn’t need to buy expensive and specialized hardware for each network function. One can just use standard servers and run multiple functions…
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What is Cisco ASA (Adaptive Security Appliances)?
Introduction Nowadays, network security is more than crucial for any organization that completely relies on the Internet for its operations. Cyberattacks can lead to an impact on the integrity, confidentiality, and availability of data as well as network resources. Therefore, it is mandatory for all to have a robust network security solution that can protect…
