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What is DNS in Computer Networks Featured Image

What is DNS in Computer Networks?

Introduction The Internet is an extensive network of connected devices, each with an individual identification number known as an IP address. People find it extremely challenging to memorize numbers, especially since IP addresses are dynamic and can change over time. As a result, a mapping is needed to convert a website’s domain name, such as […]
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Difference between MTU and MSS Featured Image

Difference between MTU and MSS

Introduction If you are interested in computer networking, you might have heard of MTU and MSS. But what they really are and why one should study these concepts in detail. MTU and MSS are important concepts as they help determine the size of each packet sent across the network without getting into the fragmentation phase. […]
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What is Frame Check Sequence in Networking Featured Image

Frame Check Sequence (FCS) in Networking

Introduction If you have ever used a computer network, you have probably wondered how data gets sent and received without problems. How does the network determine whether the data has been tampered with or corrupted? How does it deal with noise and interference, which might degrade signal quality? Frame Check Sequence (FCS) is the solution. […]
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DR and BDR in OSPF

Introduction OSPF, which stands for Open Shortest Path First, is a link-state routing protocol that calculates the shortest course or path to any destination inside the network using the Dijkstra algorithm. However, OSPF has several limitations, mainly in terms of non-broadcast multi-access (NBMA) networks such as Ethernet or Frame Relay. In these networks, more than […]
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ABR in OSPF Featured Image

What is ABR in OSPF?

Introduction OSPF, or Open Shortest Path First, is one of the popular routing protocols that mainly utilizes link-state information in order to calculate the best path for sending the data packets to the receiver end of a network. OSPF functions by dividing an extensive network into smaller areas, and these areas have their own topology […]
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What is ASBR Featured Image

What is ASBR in networking?

Introduction If you have knowledge regarding OSPF, you already know that it is a routing protocol that is mainly used to divide a network into different areas. Each area has its separate topology as well as the information regarding the routing. This makes it less complicated and also results in less overhead. If someone wants […]
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Cisco ASA Firewall Interview Questions and Answers Featured Image

Cisco ASA Firewall Interview Questions and Answers

ASA stands for Adaptive Security Appliances, a security device used for proactive threat defence. It combines VPN capabilities, antivirus, firewalls, and intrusion prevention to stop attacks before they spread to the whole network.
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What is Switching in Networking Featured Image

What is Switching in Networking?

Introduction Switching is not a new concept in data communication. Since the early days of telephony, switching has been part of communication where operators manually connected calls via switchboards. As time passes, so do technological advancements, and with the growth of data networks, switching now has become more automated. But what do you mean by […]
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EIGRP Interview Questions and Answers Featured Image

EIGRP Interview Questions and Answers

Get equipped with these 15 most asked EIGRP interview questions and answers to perform better in your upcoming interview. These questions are curated by our experts, some of the most talented minds in the networking field. 
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STP vs RSTP Featured Image

STP vs RSTP – What’s the Difference?

Introduction In a computer network, having multiple paths to reach a destination can be beneficial for redundancy and load balancing. However, it can also cause problems such as network loops, broadcast storms, and inconsistent routing. To avoid these issues, network devices need to agree on a single active path for each destination and block the […]
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What is Route Poisoning in Networking Featured Image

What is Route Poisoning in Networking?

Introduction Finding the optimum route for data packets to transmit inside a network from a source to a destination is known as the routing process. The rules and algorithms known as routing protocols are what routers use to communicate with one another and exchange routing data. However, routing protocols can run into issues like routing […]
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TTL in networking Featured Image

What is TTL (Time to Live) in Networking?

Introduction When users visit a website, everyone wants them to receive the most up-to-date information. However, they also need their site to load quickly. Otherwise, they risk a bounce, where the user gives up and leaves their site quickly. Fortunately, they can find a balance by adjusting their website’s Time to Live (TTL). But what […]
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