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Free CCNT Exam Braindumps (page: 53)

Page 52 of 265
PDF with 1057 Questions

What is modulation?

  1. A process used by modems to move information through the transmission channel
  2. A process used by routers to send information to the correct location
  3. A process used by bridges to filter packets according to their destinations
  4. A process used by modems to convert signals from one format to another

Answer(s): A



An analog signal's phase measures:

  1. The number of volts from one peak to another.
  2. The time required for the wave to go from peak to peak.
  3. The relative difference between the peak of a signal wave and the peak of a reference wave.
  4. The time required for the wave to move along the channel.

Answer(s): C



A transmitting modem sends a carrier signal to a receiving modem. The purpose of the carrier signal is to:

  1. Carry the transmission over the network.
  2. Establish the bps rate for the transmission.
  3. Carry information about the packets to the receiving modem.
  4. Alter the frequency, amplitude, and/or phase of the transmitted signals.

Answer(s): A



You are sending data over the network and your modem has a maximum speed of 300 bps. What modulation technique is most likely being used?

  1. FSK
  2. KHZ
  3. QAM
  4. DPSK

Answer(s): A






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