A router forwards a packet by examining the value of a field in the arriving packet’s header, and then using this value to index into the router’s forwarding table, this value is?
A. destination IP address
B. source IP address
C. destination MAC address
D. source MAC address
查看答案
The network layer must determine the path taken by packets as they flow from a sender to a receiver. This action is called____?
A. Forwarding
B. routing
C. cut through
D. examine
IP belongs to ____ layer?
A. transport
B. network
C. data link
D. physical
Which layer provides host-to-host services?
A. transport
B. network
C. data link
D. physical
Which of the following is the default mask for the address 168.0.46.201?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255