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Mohamad Eskandarane Questions
11022 Questions
Servers handle requests for other domains
Networks
2022-05-24
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30
Question
40
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1
1187
The entire hostname has a maximum of
Networks
2022-05-24
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30
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40
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1176
What does a DNS client called?
Networks
2022-05-24
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30
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40
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1201
The ____ translates internet domain and host names to IP address
Networks
2022-05-24
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30
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40
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1277
Which of the following devices translates hostnames into IP addresses?
Networks
2022-05-24
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30
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40
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1253
A channel has a 1-MHz bandwidth. The SNR for this channel is 63. What is the appropriate signel level?
Networks
2022-05-24
Answers
30
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40
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30
1
1
480
A channel has a 1-MHz bandwidth. The SNR for this channel is 63. What is the appropriate bit rate?
Networks
2022-05-24
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30
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501
Calculate the theoretical channel capacity. If SNR(dB) = 36 and the channel bandwidth is 2 MHz
Networks
2022-05-24
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30
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40
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493
Calculate the theoretical highest bit rate of a regular telephone line. The signal-to-noise ratio is usually 3162
Networks
2022-05-24
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30
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509
We need to send 265 kbps over a noiseless channel with a bandwidth of 20 kHz. How many signal levels do we need?
Networks
2022-05-24
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30
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608
A file contains 2 million bytes. How long does it take to download this file using a 56-Kbps channel?
Networks
2022-05-24
Answers
30
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547
A device is sending out data at the rate of 1000 bps. How long does it take to send a file of 100,000 characters?
Networks
2022-05-24
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30
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40
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454
What is the bit rate for high-definition TV (HDTV)?
Networks
2022-05-24
Answers
30
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40
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30
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510
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11022
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