MCQs

#81 In _________ both stations can send and receive the data simultaneously .

A) Simplex
B) Full-duplex
C) Half- duplex
D) duplex
Answer: B

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#82 In which type of transmission data is transmitted one byte at a time.

A) Simplex
B) synchronous
C) Asynchronous
D) Duplex
Answer: C

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#83 ________ cable is formed of two insulated coper wires twisted together.

A) Coaxial
B) Fiber Optic
C) CAT5
D) Twisted Pair
Answer: D

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#84 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

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#85 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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#86 How many layers does the OSI model consist of ?

A) 4
B) 5
C) 8
D) 7
Answer: D

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#87 which layer of OSI model decided which physical path-way the data should take to reach the destination ?

A) Transport layer
B) presentation layer
C) network layer
D) session layer
Answer: D

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#88 ____________ Topology each node (computer server peripheral etc) attaches to a common cable.

A) Star
B) Tree
C) Ring
D) Mesh
Answer: C

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