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#91 In which communication mode data can be sent and received in both directions but not at the same time ?
A) Simplex
B) Full-duplex
C) Half-duplex
D) duplex
Answer: C
#92 ___________ is the data or information that is to be communed over the network.
A) Message
B) Sender
C) medium
D) Receiver
Answer: A
#93 ________ is a set of rules that governs data communications
A) Message
B) Sender
C) Medium
D) Protocol
Answer: D
#94 In _________ both stations can send and receive the data simultaneously .
A) Simplex
B) Full-duplex
C) Half- duplex
D) duplex
Answer: B
#95 In which type of transmission data is transmitted one byte at a time.
A) Simplex
B) synchronous
C) Asynchronous
D) Duplex
Answer: C
#96 ________ cable is formed of two insulated coper wires twisted together.
A) Coaxial
B) Fiber Optic
C) CAT5
D) Twisted Pair
Answer: D
#97 which of the following network devices is used to forward data packets across different networks ?
A) switch
B) Router
C) Gateway
D) Modem
Answer: B
#98 _________ networking there are no dedicated server or hierarch among the computer.
A) Peer-to-peer
B) server
C) LAN
D) WAN
Answer: A
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