FUNDAMENTALS OF COMPUTER

OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is an advantage of an IPSec VPN?
A
VPN tunnel is torn down once transfer of data is finished.
B
Can only connect one IP address on each end of the tunnel.
C
Uses WEP to encrypt traffic between nodes on the VPN.
D
Public keys are not exchanged between nodes.
Explanation: 

Detailed explanation-1: -The principal advantage of IPSec is that it offers confidentiality and authentication at the packet level between hosts and networks. It provides this functionality using an exchange, either manually or using a protocol called IKE, of public keys.

Detailed explanation-2: -Wide access range. One of the greatest disadvantage of IPSec is its wide access range.

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