Basic Internet Questions and Answers Pdf - 1

Question: 1

Local area networks can transmit

(A) Faster than telecommunication over public telephone lines

(B) Slower than telecommunication over public telephone lines

(C) Using twisted-pair wiring or coaxial cables

(D) Both (a) and (c)

Ans: D

Both (a) and (c)

Question: 2

Carrier is

(A) A collection of interconnected functional units that provides a data communications service among stations to the network

(B) The condition when two or more sections attempt to use the same channel at the same time

(C) A continuous frequency capable of being modulated or impressed with a second signal

(D) One or more conductors that serve as a common connection for a related group of devices

Ans: C

A continuous frequency capable of being modulated or impressed with a second signal

Question: 3

RS-232-C

(A) is an interface standard between data terminal equipment and data circuit terminating equipment

(B) specifies only the mechanical characteristics of an interface by providing a 25-pin connector

(C) is an interface between two data circuit terminating equipment as exemplified by a local and remote modem

(D) requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

Ans: A

is an interface standard between data terminal equipment and data circuit terminating equipment

Question: 4

Many low-speed channels are interwoven into one high-speed transmission by

(A) Frequency-division multiplexer

(B) Time-division multiplexer

(C) Both (a) and (b)

(D) None of these

Ans: B

Time-division multiplexer

Question: 5

What is the name of the computer based EMMS that provides a common forum where users can check it at their convenience, post message, activity exchange ideas and participate in ongoing discussions?

(A) Video conferencing

(B) Tele conferencing

(C) Bulletin Board system (BBS)

(D) E-mail

Ans: C

Bulletin Board system (BBS)

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