The slowest transmission speeds are those of
A). twisted-pair wire
B). coaxial cable
C). fiber-optic cable
D). microwaves
E). None of the above
Which of the following conditions is used to transmit two packets over a medium at the same time?
A). Contention
B). Collision
C). Synchronous
D). Asynchronous
E). None of the above
Which utility is useful for finding the local host name?
A). NBTSTAT
B). Netstat
C). PING
D). Hostname
E). None of the above
What is the first octet range for a class C IP address?
A). 192 - 255
B). 192 - 223
C). 192 - 226
D). 128 - 191
E). 1 - 126
Which of the following divides the high speed signal into frequency bands?
A). t-switch
B). modem
C). frequency-division multiplexer
D). time-division multiplexer
E). None of the above