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Q.

The frequency range : 300 kHz to 3 MHz is used for

A

AM radio transmission

B

FM radio transmission

C

TV transmission

D

microwave communications, satellite and radar

E

None of the above

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MCQ

1.

A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

A

8000 B frame

B

80,000 B frame

C

8 x 105 bit frame

D

10,000 B frame

Discussion

MCQ

2.

You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?

A

255.255.192.0

B

255.255.224.0

C

255.255.240.0

D

255,255.248.0

E

255.255.252.0

Discussion

MCQ

3.

Select the correct cable that transport signals in the form of light:

A

Twisted-Pair cable

B

Fiber optic cable

C

Coaxial Cable

D

Shielded Twisted Pair cable

Discussion

MCQ

4.

What is the port number for NNTP?

A

119

B

80

C

79

D

70

E

None of the above

Discussion

MCQ

5.

What does the acronym ISDN stand for?

A

Indian Standard Digital Network

B

Integrated Services Digital Network

C

Intelligent Services Digital Network

D

Integrated Services Data Network

E

None of the above

Discussion

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