ICMP (Internet Control Message Protocol) is

A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
B. a TCP/IP high level protocol for transferring files from one machine to another
C. a protocol used to monitor computers
D. a protocol that handles error and control messages
E. None of the above


If you get both local and remote echoes, every character you type will appear on the screen

A. once
B. twice
C. three times
D. never
E. None of the above


What part of is the Network ID, assuming a default subnet mask?

A. 192
B. 192.168.10
D. 51
E. None of the above


The slowest transmission speeds are those of

A. twisted-pair wire
B. coaxial cable
C. fiber-optic cable
D. microwaves


A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

A. 3 Kbps
B. 6 Kbps
C. 12 Kbps
D. 24 Kbps.