Networking MCQs with answers Page - 43

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A

Admin • 833.24K Points
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Q. Which encoding technique ensures that there are enough signal transitions for synchronization?

  • (A) NRZ
  • (B) Manchester encoding
  • (C) Base64 encoding
  • (D) AMI encoding

A

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Q. Which wireless transmission method uses the 2.4 GHz frequency band?

  • (A) Microwave
  • (B) Bluetooth
  • (C) Fiber optics
  • (D) Infrared

A

Admin • 833.24K Points
Coach

Q. Which term describes the time required for a bit to travel from sender to receiver?

  • (A) Latency
  • (B) Throughput
  • (C) Bandwidth
  • (D) Attenuation

A

Admin • 833.24K Points
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Q. Which Physical Layer component helps reduce signal reflection in transmission lines?

  • (A) Router
  • (B) Terminator
  • (C) Switch
  • (D) Repeater

A

Admin • 833.24K Points
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Q. Which of the following is NOT a Physical Layer specification?

  • (A) Connector standards
  • (B) Signal encoding
  • (C) Error detection methods
  • (D) Transmission medium types

A

Admin • 833.24K Points
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Q. What is the most common form of modulation in radio communication?

  • (A) Amplitude modulation
  • (B) Frequency modulation
  • (C) Phase modulation
  • (D) Pulse modulation

A

Admin • 833.24K Points
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Q. Which of these wireless media is based on line-of-sight communication?

  • (A) Bluetooth
  • (B) Microwave
  • (C) Radio waves
  • (D) Twisted pair

A

Admin • 833.24K Points
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Q. Which of the following refers to the loss of signal strength as it travels?

  • (A) Propagation delay
  • (B) Attenuation
  • (C) Jitter
  • (D) Latency

A

Admin • 833.24K Points
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Q. Which type of transmission mode allows data to be sent and received simultaneously?

  • (A) Simplex
  • (B) Half-duplex
  • (C) Full-duplex
  • (D) Multiplex

A

Admin • 833.24K Points
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Q. What is the function of a modem in the Physical Layer?

  • (A) Routing data packets
  • (B) Modulating and demodulating signals
  • (C) Switching networks
  • (D) Encrypting data

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