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#131 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
#132 ________ is a set of rules that governs data communications
A) Message
B) Sender
C) Medium
D) Protocol
Answer: D
#133 ________ cable is formed of two insulated coper wires twisted together.
A) Coaxial
B) Fiber Optic
C) CAT5
D) Twisted Pair
Answer: D
#134 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
#135 _________ networking there are no dedicated server or hierarch among the computer.
A) Peer-to-peer
B) server
C) LAN
D) WAN
Answer: A
#136 _________ networking there are no dedicated server or hierarch among the computer.
A) Peer-to-peer
B) server
C) LAN
D) WAN
Answer: A
#137 ________ works by using the shared public infrastructure while maintaining privacy through security procedures.
A) LAN
B) WAN
C) VPN
D) MAN
Answer: C
#138 which of the following topology is most expensive implement ?
A) Star Topology
B) Bus Topology
C) Ring Topology
D) Mesh Topology
Answer: D
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