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Tag Archives: Network Layer

A computer network is a group of devices connected to each other using a transmission method such as cables etc. These devices can be computers,… Read More
1. Hierarchical Routing Protocol: Hierarchical Routing is the method of routing in networks that is based on hierarchical addressing. Most transmission control protocol, Internet protocol (TCPIP).… Read More
Multiprotocol Label Switching (MPLS) is a traffic routing mechanism it has significant advantages over the traditional IP based routing mechanism, MPLS is used in telecommunication… Read More
Routers: A Router is a networking device that forwards data packets between computer network. This device is usually connected to two or more different networks.… Read More
ICMP stands for Internet Control Message Protocol and IGMP stands for Internet Group Message Protocol. Both are the most important thing or term in networking.… Read More
Prerequisite – Differences between IPv4 and IPv6  In the current scenario, the IPv4 address is exhausted and IPv6 had come to overcome the limit. Various… Read More
The Common Gateway Interface (CGI) is a standard that facilitates communication between web servers and external databases or information sources. It acts as middleware, allowing… Read More
Internet Control Message Protocol (ICMP) is a network layer protocol used to diagnose communication errors by performing an error control mechanism. Since IP does not… Read More
In computer networks, data is sent in small blocks known as packets. Each packet is transmitted individually and may also follow a different route to… Read More
Consider a situation when you are not able to access a website and can access other websites. You would want to know if this is… Read More
What is Forwarding? Forwarding is moving incoming packets to the appropriate interface. Routers use a forwarding table to decide which incoming packet should be forwarded to… Read More
In class C , if subnet mask is then calculates number of subnet? (A) 6 (B) 8 (C) 4 (D) None of the Above… Read More
If a Company require 60 hosts then What is the best possible subnet mask? (A) (B) (C) (D) Answer: (B) Explanation:… Read More
We have introduced IP addressing and classful addressing in the previous post.   Network Address and Mask Network address – It identifies a network on… Read More
IP address is an address having information about how to reach a specific host, especially outside the LAN. An IP address is a 32 bit… Read More