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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
1127
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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1122
What does a DNS client called?
Networks
2022-05-24
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30
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1148
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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1219
Which of the following devices translates hostnames into IP addresses?
Networks
2022-05-24
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30
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1190
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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1
426
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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450
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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444
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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448
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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550
A file contains 2 million bytes. How long does it take to download this file using a 56-Kbps channel?
Networks
2022-05-24
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30
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495
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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406
What is the bit rate for high-definition TV (HDTV)?
Networks
2022-05-24
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30
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40
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465
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11022
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