Install Ubuntu on Virtual Box

If you want to experiment Linux, learn this thing you never had before then you must try to install Linux first on virtual box rather then installing on your Hard disk permanently. On doing experiment Linux may crash, to prevent this you can install Linux on Virtual Machine. After crashing you can install again and do your process again. That was the most good things for Virtual Machine. You don’t need to make partition or back up data as you need in hard disk installation. Continue reading

Install Kali linux on Virtual Box.

If you want to experiment Linux, learn this thing you never had before then you must try to install Linux first on virtual box rather then installing on your Hard disk permanently. On doing experiment Linux may crash, to prevent this you can install Linux on Virtual Machine. After crashing you can install again and do your process again. That was the most good things for Virtual Machine. You don’t need to make partition or back up data as you need in hard disk installation. Continue reading

TCP and UDP, and Difference between them.

Both TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are transport layer protocols of OSI Model. TCP and UDP both handle data communication on IP network (Internet). Both have same purpose but actions for doing the task is different. In this article we will explain about TCP and UDP and their differences. Continue reading

Simple Mail Transfer Protocol (SMTP)

What is SMTP?

Simple mail transfer protocol (SMTP) is TCP/IP application layer protocol using TCP port 25. It is used to sending and receiving e-mail over the Internet to another SMTP server. But SMTP has limitation in ability to queuing the messages at receiving end, so POP or IMAP are used. Generally SMTP is used for sending the e-mails and POP or IMAP for receiving the e-mails. Continue reading

What is TCP/IP and its difference with OSI Model

Transmission control protocol / Internetworking Protocol (TCP/IP) that define how all transmission are exchanged across the internet. This project is established by Advanced Research Project Agency (ARPA) in 1960. Before it was a known as (ARPANET) Arpa-netwrok. ARPANET developed and called TCP/IP. TCP/IP developed before OSI reference Model. It is also called DOD Model (Department of Defence ). Continue reading

Cisco Certification and Its Importance !

Cisco certification is essential to everyone who needs to get hands on networking. Cisco is major leading company in network industry to build hardware equipment. Side by side Cisco providing certification for individual backgrounds of networking.  There are many and popular certification i.e Routing and Switch,Voice ,Security and Wireless. Continue reading