Post Office Protocol in Computer Network
What is POP? The POP protocol is an abbreviation for Post Office Protocol. As we all know, SMTP is a message transport agent. When a message is transmitted, SMTP is used to transfer it...
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Digital Signature in Computer Network
The Digital Signature is a mechanism used to authenticate the message’s validity and integrity. We know that security has four components: privacy, authentication, integrity, and non-repudiation. The first component of security has previously been...
PGP – Pretty Good Privacy
What is PGP? PGP is an abbreviation for Pretty Good Privacy (PGP), which was created by Phil Zimmermann. It was meant to offer all four dimensions of security in email transmission, namely privacy, integrity,...
Computer Network Security
Computer network security refers to the steps that businesses or organisations use to detect and prevent unwanted access from outside intruders. Depending on the scale of the computer network, different approaches to computer network...
HTTP – Hypertext Transfer Protocol
It is a mechanism for gaining access to data on the World Wide Web (www). The HTTP protocol can be used to transport data in various formats, including but not limited to plain text,...
SMTP – Simple Mail Transfer Protocol
Simple Mail Transfer Protocol (SMTP) is a set of communication standards or rules that allows applications to send emails using the internet. It is an application that uses e-mail addresses to deliver messages to...
TELNET – Terminal Network
TELNET is an abbreviation for Terminal Network. It is essentially a TCP/IP protocol used for virtual terminal services, and it was primarily proposed by the International Organization for Standardization (ISO). It is a client/server...
File Transfer Protocol
FTP is short form of File Transfer Protocol. It is a TCP/IP-based internet protocol that is used to transfer files from one host to another. FTP is mostly used to transmit web page files...
Error Detection And Correction in Computer Network
An error occurs when the output information does not match the input information. Digital signals suffer from noise during transmission, which can create errors in binary bits travelling from one system to another. That...
Network Layer And Addressing
The Network Layer is the OSI model’s third layer. It responds to service requests from the transport layer and sends them to the data link layer. The network layer is responsible for converting logical...
