[Internet and Neworking MCQS ]

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[ Internet and Neworking MCQS ]

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151. कौन सा transmission continuous होता है?

[A] Asynchronous

[B] Synchronous

[C] Asynchronous & Synchronous

[D] None of the mentioned

151. Which has continuous transmission?

[A] Asynchronous

[B] Synchronous

[C] Asynchronous & Synchronous

[D] None of the mentioned

सही उत्तर: B

व्याख्या: Synchronous transmission continuous data flow प्रदान करता है

Correct Answer: B

Explanation: Synchronous transmission is continuous

152. Error detection और correction कैसे किया जाता है?

[A] By passing it through equalizer

[B] By passing it through filter

[C] By amplifying it

[D] By adding redundancy bits

152. How error detection and correction is done?

[A] By passing it through equalizer

[B] By passing it through filter

[C] By amplifying it

[D] By adding redundancy bits

सही उत्तर: D

व्याख्या: Redundancy bits error detection में मदद करते हैं

Correct Answer: D

Explanation: Redundancy bits are used for error detection

153. कौन सा अधिक efficient है?

[A] Parity check

[B] Cyclic redundancy check

[C] Parity & Cyclic redundancy check

[D] None of the mentioned

153. Which is more efficient?

[A] Parity check

[B] Cyclic redundancy check

[C] Parity & Cyclic redundancy check

[D] None of the mentioned

सही उत्तर: B

व्याख्या: CRC अधिक reliable error detection method है

Correct Answer: B

Explanation: CRC is more efficient than parity check

154. कौन सा 2-bit errors detect कर सकता है?

[A] Parity check

[B] Cyclic redundancy check

[C] Parity & Cyclic redundancy check

[D] None of the mentioned

154. Which can detect two bit errors?

[A] Parity check

[B] Cyclic redundancy check

[C] Parity & Cyclic redundancy check

[D] None of the mentioned

सही उत्तर: B

व्याख्या: CRC multiple bit errors detect कर सकता है

Correct Answer: B

Explanation: CRC can detect multiple bit errors

155. FM radio transmission के लिए frequency range क्या है?

[A] Very Low Frequency: 3 kHz to 30 kHz

[B] Low Frequency: 30 kHz to 300 kHz

[C] High Frequency: 3 MHz to 30 MHz

[D] Very High Frequency: 30 MHz to 300 MHz

155. What frequency range is used for FM radio transmission?

[A] Very Low Frequency: 3 kHz to 30 kHz

[B] Low Frequency: 30 kHz to 300 kHz

[C] High Frequency: 3 MHz to 30 MHz

[D] Very High Frequency: 30 MHz to 300 MHz

सही उत्तर: D

व्याख्या: FM radio VHF band में काम करता है

Correct Answer: D

Explanation: FM radio uses VHF band

156. Frequency और period ______ होते हैं

[A] proportional to each other

[B] inverse of each other

[C] the same

[D] none of the above

156. Frequency and period are ______

[A] proportional to each other

[B] inverse of each other

[C] the same

[D] none of the above

सही उत्तर: B

व्याख्या: Frequency और period एक-दूसरे के inverse होते हैं

Correct Answer: B

Explanation: Frequency and period are inversely related

157. _______ एक प्रकार की transmission impairment है जिसमें बाहरी स्रोत (जैसे crosstalk) signal को corrupt करता है

[A] Noise

[B] Distortion

[C] Attenuation

[D] Decibel

157. ________ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal

[A] Noise

[B] Distortion

[C] Attenuation

[D] Decibel

सही उत्तर: A

व्याख्या: Noise बाहरी interference के कारण signal को खराब करता है

Correct Answer: A

Explanation: Noise is caused by external interference

158. Go-Back-N और Selective Repeat protocols किसका उपयोग करते हैं?

[A] sliding frame

[B] sliding window

[C] sliding packet

[D] none of the above

158. Both Go-Back-N and Selective-Repeat Protocols use a _________

[A] sliding frame

[B] sliding window

[C] sliding packet

[D] none of the above

सही उत्तर: B

व्याख्या: दोनों protocols sliding window mechanism का उपयोग करते हैं

Correct Answer: B

Explanation: Both use sliding window protocol

159. Go Back N (ARQ) protocol में sender window का size क्या होता है?

[A] 0

[B] 1

[C] 10

[D] n

159. What is the size of the sender window in Go Back N (ARQ) protocol?

[A] 0

[B] 1

[C] 10

[D] n

सही उत्तर: D

व्याख्या: Sender window का size n होता है

Correct Answer: D

Explanation: Sender window size is n

160. निम्न में से कौन से random access protocols हैं?

[A] ALOHA, CSMA, CSMA/CA, CSMA/CD

[B] Reservation, polling, token passing

[C] FDMA, TDMA, CDMA

[D] All of the above

160. Which are the random access protocols?

[A] ALOHA, CSMA, CSMA/CA, CSMA/CD

[B] Reservation, polling, token passing

[C] FDMA, TDMA, CDMA

[D] All of the above

सही उत्तर: A

व्याख्या: ALOHA और CSMA random access protocols हैं

Correct Answer: A

Explanation: ALOHA and CSMA are random access protocols