FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The NAT (Network Address Translation) has the function of translating the valid and registered Internet access addresses to the reserved addresses of the internal network and vice versa.
A
Right
B
Wrong
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -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: -What is Network Address Translation (NAT)? Network address translation (NAT), a feature found in many firewalls, translates between external and internal IP addresses. With NAT, a private network can use internal, non-routable IP addresses that map to one or more external IP addresses.

Detailed explanation-3: -Inside local address-The IP address assigned to a host on the inside network. This is the address configured as a parameter of the computer OS or received via dynamic address allocation protocols such as DHCP.

Detailed explanation-4: -The following statements are also TRUE regarding NAT : * It can be used to present a single address for the entire network to the outside world when used in dynamic mode. * It enhances network security by not disclosing the internal network addresses to the outside world.

There is 1 question to complete.