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Category Archives: Computer Networks

Given a valid IPv4 address in the form of string and it follows Class Full addressing. The task is to determine the class of the… Read More
DHCP is an abbreviation for Dynamic Host Configuration Protocol. It is an application layer protocol used by hosts for obtaining network setup information. The DHCP… Read More
Wake-on-LAN (WoL) is an Ethernet or token ring computer networking standard that allows a computer to be turned on or awakened by a network message. … Read More
Why do we need a Compression Algorithm? There are two categories of compression techniques, lossy and lossless. Whilst each uses different techniques to compress files,… Read More
Denial of Service (DoS) is a cyber-attack on an individual Computer or Website with the intent to deny services to intended users. Their purpose is… Read More
RSA algorithm is an asymmetric cryptography algorithm. Asymmetric actually means that it works on two different keys i.e. Public Key and Private Key. As the… Read More
This article demonstrates – How to set up a simple Chat Room server and allow multiple clients to connect to it using a client-side script.… Read More
In the network layer, before the network can make Quality of service guarantees, it must know what traffic is being guaranteed. One of the main… 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
The arrangement of a network that comprises nodes and connecting lines via sender and receiver is referred to as network topology. The various network topologies… Read More
See Last Minute Notes on all subjects here. OSI Layers,data units and Functions: Layers Data Units Functions Application Layer Data Mail Services,Directory Services,FTAM Presentation Layer… Read More
A local Area Network (LAN) is a data communication network connecting various terminals or computers within a building or limited geographical area. The connection among… Read More
Email is emerging as one of the most valuable services on the internet today. Most internet systems use SMTP as a method to transfer mail… Read More
DNS is a hostname for IP address translation service. DNS is a distributed database implemented in a hierarchy of name servers. It is an application… Read More
Encryption – Process of converting electronic data into another form, called ciphertext, which cannot be easily understood by anyone except the authorized parties. This assures… Read More

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