Question

In packet-filtering router, the following information can be external from the packet header. 

i) Source IP address 

ii) Destination IP address 

iii) TCP/UDP source port 

iv) ICMP message type 

v) TCP/UDP destination port 

A) i, ii, iii and iv only 

B) i, iii, iv and v only 

C) ii, iii, iv and v only 

D) All i, ii, iii, iv and v

Answer 1

Correct option is D) All i, ii, iii, iv and v