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Recent questions tagged computer-networks

2 votes
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1651
subnet mask
Is it possible that for an IP address there are more than one subnet mask? Actually
Is it possible that for an IP address there are more than one subnet mask? Actually
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2 votes
1 answer
1653
subnet mask
For an IP address, how will i calculate the subnet mask or it will be already given??
For an IP address, how will i calculate the subnet mask or it will be already given??
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1 votes
0 answers
1656
Self doubt on Ethernet LAN
Are the below formulas for correct w.r.t ethernet LAN? efficiency : PD = propagation delay TD = transmission delay L = frame size $\eta =\frac{1}{1 + 6.44(\frac{ pd }{ td })}$ throughput: $= \frac{L}{RTT}$ If they are wrong please provide correct ones.
Are the below formulas for correct w.r.t ethernet LAN?efficiency :PD = propagation delayTD = transmission delayL = frame size$\eta =\frac{1}{1 + 6.44(\frac{ pd }{ td })}$...
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0 votes
1 answer
1659
PTCUL-04
Program threats are A. Trojan Horse B. Trap Door C. Both D. None of them
Program threats areA. Trojan Horse B. Trap Door C. Both D. None of them
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0 votes
2 answers
1661
TCP HEADER , FRAME SIZE
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0 votes
0 answers
1662
CSMA/CD LAN
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1 votes
1 answer
1663
CSMA ALOHA
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1 votes
2 answers
1664
CSMA / CD
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0 votes
2 answers
1665
FLOW CONTROL CN
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0 votes
0 answers
1668
csma/cd
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2 votes
0 answers
1669
SLOTTED ALOHA
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1 votes
1 answer
1673
UGC NET CSE | November 2017 | Part 3 | Question: 28
Match the following : ... $\text{(a)-(iv); (b)-(iii); (c)-(ii); (d)-(i)}$
Match the following :$\begin{array}{clcl} & \textbf{List-I} && \textbf{List-II} \\ \text{(a)} & \text{Data Link Layer} & \text{(i)} & \text{Encryption} \\ \text{(b)}...
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1 votes
3 answers
1674
UGC NET CSE | November 2017 | Part 3 | Question: 27
If a file consisting of $50,000$ characters takes $40$ seconds to send, then the data rate is _________ $1$ kbps $1.25$ kbps $2$ kbps $10$ kbps
If a file consisting of $50,000$ characters takes $40$ seconds to send, then the data rate is _________$1$ kbps$1.25$ kbps$2$ kbps$10$ kbps
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1 votes
1 answer
1675
UGC NET CSE | November 2017 | Part 3 | Question: 26
Quadrature Amplitude Modulation means changing both Frequency and phase of the carrier Frequency and Amplitude of the carrier Amplitude and phase of the carrier Amplitude and Wavelength of the carrier
Quadrature Amplitude Modulation means changing bothFrequency and phase of the carrierFrequency and Amplitude of the carrierAmplitude and phase of the carrierAmplitude and...
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0 votes
1 answer
1677
UGC NET CSE | November 2017 | Part 2 | Question: 49
Which of the given wireless technologies used in IoT, consumes the least amount of power? Zigbee Bluetooth Wi-Fi GSM/CDMA
Which of the given wireless technologies used in IoT, consumes the least amount of power?ZigbeeBluetoothWi-FiGSM/CDMA
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0 votes
1 answer
1678
UGC NET CSE | November 2017 | Part 2 | Question: 30
The IP address _________ is used by hosts when they are being booted. $0.0.0.0$ $1.0.0.0$ $1.1.1.1$ $255.255.255.255$
The IP address _________ is used by hosts when they are being booted.$0.0.0.0$$1.0.0.0$$1.1.1.1$$255.255.255.255$
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0 votes
1 answer
1679
UGC NET CSE | November 2017 | Part 2 | Question: 29
Which of the following layer of OSI Reference model is also called end-to-end layer ? Network layer Datalink layer Session layer Transport layer
Which of the following layer of OSI Reference model is also called end-to-end layer ?Network layerDatalink layerSession layerTransport layer
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1 answer
1680
UGC NET CSE | November 2017 | Part 2 | Question: 28
The number of bits used for addressing in Gigabit Ethernet is __________. $32$ bits $48$ bits $64$ bits $128$ bits
The number of bits used for addressing in Gigabit Ethernet is __________.$32$ bits$48$ bits$64$ bits$128$ bits
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