Computer Networks Objective Questions and Answers Pdf - 1
Question: 1
Which of the following is not a disadvantage of wireless LAN?
(A) Slower data transmission
(B) Higher error rate
(C) Interference of transmissions from different computers
(D) All of the above
Ans: D
All of the above
Question: 2
Networks are monitored by security personnel and supervised by _____ who set(s) up accounts and passwords for authorized network users.
(A) Password administrators
(B) Network administrators
(C) The government
(D) IT managers
Ans: B
Network administrators
Question: 3
______ is a technique that is used to send more than one call over a single line.
(A) Digital transmission
(B) Infrared transmission
(C) Digitizing
(D) Multiplexing
Ans: D
Multiplexing
Question: 4
The portion of server memory set aside to temporary hold data packets from workstations is called
(A) Dirty packet buffer
(B) Packet block
(C) Packet receive buffer
(D) Packet cache buffer
Ans: C
Packet receive buffer
Question: 5
What frequency range is used for FM radio transmission?
(A) Very high frequency : 30MHz to 300 MHz
(B) High frequency : 3 MHz to 30 MHz
(C) Low frequency : 30kHz to 300 kHz
(D) Very low frequency : 3kHz to 30 kHz
Ans: A
Very high frequency : 30MHz to 300 MHz
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