GENERAL KNOWLEDGE

GK

TECHNOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is NAT?
A
Network Address TranslationNetwork Administration Tool
B
Network Administration Tool
C
Novell Address Transfer
D
Newly Added Technology
Explanation: 

Detailed explanation-1: -What Is NAT? NAT stands for network address translation. It’s a way to map multiple private addresses inside a local network to a public IP address before transferring the information onto the internet. Organizations that want multiple devices to employ a single IP address use NAT, as do most home routers.

Detailed explanation-2: -For example a computer on an internal address of 192.168. 1.10 wanted to communicate with a web server somewhere on the internet, NAT would translate the address 192.168. 1.10 to the company’s public address, lets call this 1.1.

Detailed explanation-3: -The main use of NAT is to limit the number of public IP addresses an organization or company must use, for both economic and security purposes. Those original 4 billion unique addresses were not all able to be assigned to devices for communication. Some were used for testing, broadcast, and military purposes.

Detailed explanation-4: -Step 1: Designate at least one NAT inside interface. Step 2: Designate at least on NAT outside interface. Step 3: Create a pool of Public IP Addresses. Step 4: Create an Access Control List (ACL) that will include the local hosts or network(s). 02-Apr-2012

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