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Networking Questions Set 17:

Quiz Mode

A _______ is the physical path over which a message travels.

Path

Medium

Protocol

Route

Solution:

CRC stands for _____

code repeat check

cyclic redundancy check

cyclic repeat check

code redundancy check

Solution:

What is the maximum data capacity of Ethernet using Shielded Twisted Pair (STP) cabling?

10 Mbps

100 Mbps

1000 Mbps

10000 Mbps

Solution:

What does the abbreviation 'ISP' stand for?

Internet Super Protocol

Internet Service Protocol

Internet Service Provider

Internet Success Provider

Solution:

Which of the following can be carried by the B-channel in Integrated Services Digital Network (ISDN)?

Data

Voice

Both data and voice

Neither data nor voice

Solution:

In a computer network, nodes are _________

all of the mentioned

the devices that route the data

the devices that terminate the data

the devices that originate the data

Solution:

In a network, if P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero?

Propagation delay

Queuing delay

Transmission delay

Processing delay

Solution:

Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 200,000 km/s.

2.5

Solution:

Bit stuffing refers to

inserting a 0 in user stream to differentiate it with a flag

inserting a 0 in flag stream to avoid ambiguity

appending a nipple to the flag sequence

appending a nipple to the use data stream

Solution:

A channel has a bit rate of 4 kbps and a one-way propagation delay of 20 ms. The channel uses a stop-and-wait protocol. The transmission time of the acknowledgment frame is negligible. To get a channel efficiency of at least 50%, the minimum frame size should be:

80 bytes

80 bits

160 bytes

160 bits

Networking Questions Set 17:

A _______ is the physical path over which a message travels.

Solution:

CRC stands for _____

Solution:

What is the maximum data capacity of Ethernet using Shielded Twisted Pair (STP) cabling?

Solution:

What does the abbreviation 'ISP' stand for?

Solution:

Which of the following can be carried by the B-channel in Integrated Services Digital Network (ISDN)?

Solution:

In a computer network, nodes are _________

Solution:

In a network, if P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero?

Solution:

Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 200,000 km/s.

Solution:

Bit stuffing refers to

Solution:

A channel has a bit rate of 4 kbps and a one-way propagation delay of 20 ms. The channel uses a stop-and-wait protocol. The transmission time of the acknowledgment frame is negligible. To get a channel efficiency of at least 50%, the minimum frame size should be:

Solution:

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