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MCQ

Q.

The physical layer of a network

A

defines the electrical characteristics of signals passed between the computer and communication devices

B

controls error detection and correction

C

constructs packets of data and sends them across the network

D

All of the above

E

None of the above

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MCQ

1.

Which of the following network access standard is used for connecting stations to a packet-switched network?

A

X.3

B

X.21

C

X.25

D

X.75

E

None of the above

Discussion

MCQ

2.

Which of the following summation operation is performed on the bits to check an error-detecting code?

A

Codec

B

Coder-decoder

C

Checksum

D

Attenuation

E

None of the above

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3.

The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

A

Duplicate addresses

B

Duplicate pools

C

Duplicate subnets

D

Duplicate default gateways

E

None of the above

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4.

Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?

A

10

B

12

C

120

D

1200

E

None of the above

Discussion

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5.

How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communications with the host?

A

16 - bits

B

32 - bits

C

48 - bits

D

64 - bits

E

None of the above

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