Which of the following can be used as both Source and Destination IP ?
(A) 198.168.1.255
(B) 10.0.0.1
(C) 127.0.0.1
(D) 255.255.255.255


Answer: (B)

Explanation: 192.168.1.255 is a Direct Broadcast Address (DBA),  DBA  can\’t be used as Source Address.

127.0.0.1 Loop back address agsin can\’t be used as source address.

255.255.255.255 is Limited Broadcast Address, which cannot be used as DBA.

10.0.0.1 can be both used as both source and destination IP address.