Networking - Section 1 (3)

17.

Which of the following statements is correct for the use of packet switching?

A.	the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individual link failure
B.	the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
C.	by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
D.	All of the above
E.	None of the above

Answer: Option D

Explanation:

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18.

In CRC there is no error if the remainder at the receiver is _____.

A.	equal to the remainder at the sender
B.	zero
C.	nonzero
D.	the quotient at the sender

Answer: Option B

Explanation:

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19.

What can greatly reduce TCP/IP configuration problems?

A.	WINS Server
B.	WINS Proxy
C.	DHCP Server
D.	PDC
E.	None of the above

Answer: Option C

Explanation:

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20.

Carrier is

A.	One or more conductors that serve as a common connection for a related group of devices
B.	a continuous frequency capable of being modulated or impressed with a second signal
C.	the condition when two or more sections attempt to use the same channel at the same time
D.	a collection of interconnected functional units that provides a data communications service among stations attached to the network
E.	None of the above

Answer: Option B

Explanation:

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21.

A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?

A.	3 Kbps
B.	6 Kbps
C.	12 Kbps
D.	24 Kbps.

Answer: Option B

Explanation:

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22.

The slowest transmission speeds are those of

A.	twisted-pair wire
B.	coaxial cable
C.	fiber-optic cable
D.	microwaves

Answer: Option A

Explanation:

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23.

What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?

A.	192
B.	192.168.10
C.	0.0.0.5
D.	51
E.	None of the above

Answer: Option B

Explanation:

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24.

If you get both local and remote echoes, every character you type will appear on the screen

A.	once
B.	twice
C.	three times
D.	never
E.	None of the above

Answer: Option B

Explanation:

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