Data Communication and Networking Questions

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361.

Which of the following medium is used for broadband local networks?

A

Coaxial cable

B

optic fiber

C

CATV

D

UTP

E

None of the above

Correct Answer: C

None.

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362.

In cyclic redundancy checking what is the CRC?

A

the divisor

B

the quotient

C

the dividend

D

the remainder

E

None of the above

Correct Answer: D

None.

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363.

What is the maximum number of entries in the HOSTS file?

A

8

B

255

C

500

D

Unlimited

E

None of the above

Correct Answer: D

None.

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364.

The communication mode that supports data in both directions at the same time is

A

simplex

B

half-duplex

C

full-duplex

D

multiplex

E

None of the above

Correct Answer: C

None.

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365.

Which of the following program is used to copy files to or from another UNIX timesharing system over a single link?

A

VMTP

B

TFTP

C

UUCP

D

UART

E

None of the above

Correct Answer: C

None.

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366.

One important characteristic of the hub architecture of ARC-net is

A

directionalized transmission

B

access control and addressing

C

multiple virtual networks

D

alternative routing

E

None of the above

Correct Answer: A

None.

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367.

The basic Ethernet design does not provide

A

access control

B

addressing

C

automatic retransmission of a message

D

multiple virtual networks

E

None of the above

Correct Answer: C

None.

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368.

Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)

A

2400 bands

B

1200 bands

C

4800 bands

D

9600 bands

E

DHCP Management Console

Correct Answer: A

None.

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369.

You are in the process of analyzing a problem that requires you to collect and store TCP/IP Packets. Which of the following utilities is best suited for this purpose?

A

NBTSTAT

B

Performance Monitor

C

NETSTAT

D

Network Monitor

E

DHCP Management Console

Correct Answer: D

None.

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370.

A software that allows a personal computer to pretend it as a terminal is

A

auto-dialing

B

bulletin board

C

modem

D

terminal emulation

E

None of the above

Correct Answer: A

None.

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