What is DNS ?

WHAT IS DNS?

• Domain Name System (DNS)
• Domain Name System (DNS) is a system for naming computers and network services that maps those names to network addresses and organizes them into a hierarchy of domains.
• DNS naming is used on TCP/IP networks, such as the Internet and most corporate networks, to locate computers and services by using user-friendly names.

What is OSI model ?

What is OSI model ?

• Open Systems Interconnect Model.
•  It is defined by ISO (International Organization for standardization).
• Idea behind to develop OSI model is to avoid propriety systems and allow interoperability between two between vendors.
• Useful tool for network troubleshooting.
• It is made up of seven layers.

How to Break or Recover Router’s Password ?

Step 1 : Setting Up a password to router

How to Backup and Restore IOS of router?

How to Backup IOS of router?

Step 1 : Assigning IP address to router

Booting Process Of a Cisco Router

Booting Process of a Cisco Router.

In this article I am going to show you, how the booting process of Cisco router will take place and which is very important to know for every technical persons which are in networking field. So let’s start... Booting process of a cisco router are as follows step by step.