Networking MCQ Questions and answers- Technical Aptitude

1

When UPC is used, the price of the item is located

A) on the item B) on the item and on the shelf C) in computer storage D) on the shelf and in computer storage E) None of the above

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Answer & Solution

Answer: Option D

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2

Error control is needed at the transport layer because of potential errors occurring _____.

A) from transmission line noise B) in routers C) from out-of-sequence delivery D) from packet losses.

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Answer & Solution

Answer: Option B

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3

The transport layer protocol is connectionless.

A) NVT B) FTP C) TCP D) UDP E) None of the above

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Answer & Solution

Answer: Option D

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4

The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

A) universal accessibility for private network Data Terminal Equipment (DTE) B) adequate cost control mechanisms for administration of the private networks C) to assign address to private network DTEs D) A and B both E) None of the above

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Answer & Solution

Answer: Option D

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5

Communication between computers is almost always

A) serial B) parallel C) series parallel D) direct E) None of the above

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Answer & Solution

Answer: Option A

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6

Which of the following is considered a broadband communications channel?

A) coaxial cable B) fiber optic cable C) microwave circuits D) satellites systems E) All of the above

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Answer & Solution

Answer: Option E

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7

Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

A) P I (K + 1) B) KIK (1 + F) C) 1/ (1 - F) D) K I (K - P) E) None of the above

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Answer & Solution

Answer: Option C

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8

Which of the following characteristics is not true of NetBEUI?

A) Highly-customizable B) Routable C) Little configuration required D) Fast for small networks to Self-tuning E) None of the above

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Answer & Solution

Answer: Option B

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9

The difference between a multiplexer and a statistical multiplexer is

A) Statistical multiplexers need buffers while multiplexers do not need buffers B) Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol C) Multiplexers often waste the output link capacity while statistical multiplexers optimize its use D) Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) E) None of the above

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Answer & Solution

Answer: Option A

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10

You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?

A) Token-Ring B) CSMA/CD C) Ethernet D) CSMA/CA E) ARCnet

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Answer & Solution

Answer: Option A

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