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Tag Archives: Application Layer

Prerequisite: Telnet, Curl Terminal Network as the name suggests is an application layer protocol used to connect with hosts (remote machines) over a TCP/IP network.… Read More
In today’s world, we transfer the data in bulk, and the security of this data is very important, so Internet security provides that feature i.e.,… Read More
Session Initiation Protocol was designed by IETF and is described in RFC 3261. It’s the protocol of application layer that describes the way to found… Read More
1. Firewall : Firewall is software program that prevents unauthorized access to or from a private network. All data packets in it are entering or… Read More
Before answering the question of how www is different from the Internet?  First, let’s understand what does Internet means?  According to Wikipedia, the definition of… Read More
HyperText Transfer Protocol (HTTP): HTTP is an application layer protocol created by Tim Berners Lee at Cern in 1989, it is currently used for most of… Read More
Network Protocols for web browser and servers are categorized into two types: Stateless Protocol, and Stateful protocol.  These two protocols are differentiated on the basis… Read More
The Internet is a vast network of computers, and servers, which communicate with each other. The internet connects the whole wide world together. The Internet… Read More
HTTP stands for Hyper Text Transfer Protocol, FTP for File Transfer Protocol, while SMTP stands for Simple Mail Transfer Protocol. All three are used to… Read More
Prerequisite – Domain Name Server, DNS Spoofing or DNS Cache poisoning Domain Name Server is a prominent building block of the Internet. It’s developed as a… Read More
We can take access to a cisco router or switch either through a console cable or taking remote access through well known protocols Telnet or… 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
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
In address bar of a browser, have you noticed either http:// or https:// at the time of browsing a website? If neither of these are… Read More
Many folks get confused between these two terms which are associated with the Web. Are they really same? First thing first. HTML is a Language… Read More

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