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Tag Archives: Network Layer

1. Hierarchical Routing Protocol : Hierarchical Routing is the method of routing in networks that is based on hierarchical addressing. Most transmission control protocol, Internet… 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 When we want to send a request from an IPv4 address to an IPv6 address, but it isn’t possible… Read More
The Common Gateway Interface (CGI) provides the middleware between WWW servers and external databases and information sources. The World Wide Web Consortium (W3C) defined the… Read More
Since IP does not have an inbuilt mechanism for sending error and control messages. It depends on Internet Control Message Protocol(ICMP) to provide an error… 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.  Attention reader! Don’t stop learning now. Get hold of all the important CS… 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
Why IPv4 Datagram Fragmentation required? Different Networks may have different maximum transmission unit (MTU), for example due to differences in LAN technology. When one network… Read More