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Recent questions tagged computer-networks

2 votes
1 answer
2461
UGC NET CSE | Junet 2015 | Part 3 | Question: 26
Which one of the following control fields in TCP header is used to specify whether the sender has no more data to transmit? FIN RST SYN PSH
Which one of the following control fields in TCP header is used to specify whether the sender has no more data to transmit?FINRSTSYNPSH
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2 votes
2 answers
2463
UGC NET CSE | Junet 2015 | Part 3 | Question: 15
The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude, is called: Strobing Amplification Conditioning Quantization
The process of dividing an analog signal into a string of discrete outputs, each of constant amplitude, is called:StrobingAmplificationConditioningQuantization
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4 votes
1 answer
2465
UGC NET CSE | Junet 2015 | Part 2 | Question: 29
What is the size of the 'total length' field in $IPv4$ diagram? $4$ bits $8$ bits $16$ bits $32$ bits
What is the size of the 'total length' field in $IPv4$ diagram?$4$ bits$8$ bits$16$ bits$32$ bits
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2 votes
2 answers
2466
UGC NET CSE | Junet 2015 | Part 2 | Question: 28
Which of the following is not associated with the session layer? Dialog control Token management Semantics of the information transmitted synchronization
Which of the following is not associated with the session layer?Dialog controlToken managementSemantics of the information transmittedsynchronization
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1 votes
1 answer
2467
UGC NET CSE | Junet 2015 | Part 2 | Question: 27
Match the following port numbers with their uses: ... $a-ii, b-i, c-iv, d-iii$ $a-ii, b-iv, c-iii, d-i$ $a-ii, b-iv, c-i, d-iii$
Match the following port numbers with their uses:$\begin{array}{|ll|ll|} \hline & \textbf{List – I} & & \textbf{List – II} \\ \hline \text{a.} & 23 & i. & \text{World...
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2 votes
1 answer
2469
UGC NET CSE | December 2013 | Part 3 | Question: 48
____ is a type of transmission impairment in which the signal looses strength due to the resistance of the transmission medium Attenuation Distortion Noise Decibel
____ is a type of transmission impairment in which the signal looses strength due to the resistance of the transmission mediumAttenuationDistortionNoiseDecibel
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2 votes
2 answers
2470
UGC NET CSE | December 2013 | Part 3 | Question: 47
The start and stop bits are used in serial communication for error detection error correction synchronization slowing down the communication
The start and stop bits are used in serial communication forerror detectionerror correctionsynchronizationslowing down the communication
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2 votes
1 answer
2474
UGC NET CSE | December 2013 | Part 3 | Question: 43
What is the bit rate for transmitting uncompressed 800 $\times$ 600 pixel colour frames with 8 bits/pixel at 40 frames/second? 2.4 Mbps 15.36 Mbps 153.6 Mbps 1536 Mbps
What is the bit rate for transmitting uncompressed 800 $\times$ 600 pixel colour frames with 8 bits/pixel at 40 frames/second?2.4 Mbps15.36 Mbps153.6 Mbps1536 Mbps
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3 votes
1 answer
2476
UGC NET CSE | December 2013 | Part 3 | Question: 33
The message 11001001 is to be transmitted using the CRC polynomial $x^3 + 1 $ to protect it from errors. The message that should be transmitted is 110010011001 11001001 110010011001001 11001001011
The message 11001001 is to be transmitted using the CRC polynomial $x^3 + 1 $ to protect it from errors. The message that should be transmitted is110010011001110010011100...
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2 votes
1 answer
2478
UGC NET CSE | December 2014 | Part 3 | Question: 29
________ is a bit-oriented protocol for communication over point-to-point and multipoint links. Stop-and-wait HDLC Sliding window Go-back-N
________ is a bit-oriented protocol for communication over point-to-point and multipoint links.Stop-and-waitHDLC Sliding windowGo-back-N
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1 votes
2 answers
2479
UGC NET CSE | December 2014 | Part 3 | Question: 28
What is the propagation time if the distance between the two points is $48,000$ ? Assume the propagation speed to be $2.4 × 10^{8}$ metre/second in cable. $0.5$ ms $20$ ms $50$ ms $200$ ms
What is the propagation time if the distance between the two points is $48,000$ ? Assume the propagation speed to be $2.4 × 10^{8}$ metre/second in cable. $0.5$ ms ...
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1 votes
1 answer
2480
UGC NET CSE | December 2014 | Part 3 | Question: 27
Which of the following is not a field in $TCP$ header ? Sequence number Fragment offset Checksum Window size
Which of the following is not a field in $TCP$ header ? Sequence numberFragment offsetChecksumWindow size
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1 votes
1 answer
2482
UGC NET CSE | December 2014 | Part 3 | Question: 25
For $n$ devices in a network, ________ number of duplex-mode links are required for a mesh topology. $n(n + 1)$ $n (n – 1)$ $n(n + 1)/2$ $n(n – 1)/2$
For $n$ devices in a network, ________ number of duplex-mode links are required for a mesh topology.$n(n + 1)$ $n (n – 1)$ $n(n + 1)/2$ $n(n – 1)/2$
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1 votes
1 answer
2483
UGC NET CSE | December 2013 | Part 2 | Question: 42
Match the following $:$ ... $\text{a-iv, b-iii, c-i, d-ii}$ $\text{a-iii, b-i, c-iv, d-ii}$
Match the following $:$$\begin{array}{} \text{} & \textbf{List – I} & & & \textbf{List – II} \\ \text{a.} & \text{Wireless Application Environment} & & \text{i.} &...
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1 votes
2 answers
2489
UGC NET CSE | December 2013 | Part 2 | Question: 2
Encryption and decryption is the responsibility of ____ Layer Physical Network Application Datalink
Encryption and decryption is the responsibility of ____ LayerPhysicalNetworkApplicationDatalink
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1 votes
1 answer
2490
UGC NET CSE | December 2013 | Part 2 | Question: 1
When data and acknowledgement are sent in same frame, this is called as Piggy packing Piggy backing Back packing Good packing
When data and acknowledgement are sent in same frame, this is called as Piggy packingPiggy backingBack packingGood packing
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