Which statement is true regarding classless routing protocols?1. The use of discontiguous networks is not allowed.2. The use of variable length subnet masks is permitted.3. RIPv1 is a classless routing protocol.4. IGRP supports classless routing within the same autonomous system.5. RIPv2 supports classless routing.

Computer Networking
Which statement is true regarding classless routing protocols?1. The use of discontiguous networks is not allowed.2. The use of variable length subnet masks is permitted.3. RIPv1 is a classless routing protocol.4. IGRP supports classless routing within the same autonomous system.5. RIPv2 supports classless routing.

2 and 5

1, 3 and 5

3 and 4

None of these

2 and 5

1, 3 and 5

3 and 4

None of these

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

None of these

Coder-decoder

Attenuation

Checksum

Codec

None of these

Coder-decoder

Attenuation

Checksum

Codec

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

X.75

X.21

X.3

X.25

None of these

X.75

X.21

X.3

X.25

None of these

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Computer Networking
Which statement(s) about IPv4 and IPv6 addresses are true? 1. An IPv6 address is 32 bits long, represented in hexidecimal. 2. An IPv6 address is 128 bits long, represented in decimal. 3. An IPv4 address is 32 bits long, represented in decimal. 4. An IPv6 address is 128 bits long, represented in hexidecimal.

2 and 4

1 and 3 only

2 only

3 and 4

2 and 4

1 and 3 only

2 only

3 and 4

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Computer Networking
The network layer, in reference to the OSI model, provide

None of these

All of these

the interface between the X.25 network and packet mode device

the virtual circuit interface to packet-switched service

data link procedures that provide for the exchange of data via frames that can be sent and received

None of these

All of these

the interface between the X.25 network and packet mode device

the virtual circuit interface to packet-switched service

data link procedures that provide for the exchange of data via frames that can be sent and received

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Computer Networking
What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?

Multiplexer

None of these

Concentrator

Modem

Teleport

Multiplexer

None of these

Concentrator

Modem

Teleport

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Computer Networking

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

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

Computer Networking The network layer, in reference to the OSI model, provide

Computer Networking What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?

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

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

Computer Networking
The network layer, in reference to the OSI model, provide

Computer Networking
What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?