Polycom 1K0-001 Online Practice Questions and Exam Preparation

Polycom 1K0-001 Online Questions & Answers

• Question 161:

  Videoconferencing channel synchronous networks may be defined as (Select two of the following options.)

  A. networks capable of speeds up to 2,000,000 bits per second.
  B. networks that can transmit but not receive at the same time.
  C. networks that provide no clocks.
  D. networks that can transmit and receive simultaneously with no clock.
  E. networks that require clocks for transmit and receive.
  A. networks capable of speeds up to 2,000,000 bits per second.
  E. networks that require clocks for transmit and receive.

• Question 162:

  Which of the following correctly describes echo as it relates to acoustic echo cancellations?

  A. The sound one hears when the far-end is talking and one tries to talk at the same time.
  B. The sound of the room reverberation as picked up by the local microphones, amplified and returned to the far-end.
  C. The result of sound bouncing off the walls in the room caused by the person speaking in that room being picked up by the microphones.
  D. The sound of the far-end being returned to themselves, caused by the room microphones picking up the audio from the room loudspeakers.
  D. The sound of the far-end being returned to themselves, caused by the room microphones picking up the audio from the room loudspeakers.

• Question 163:

  A telephone call over the Public Switched Telephone Network is what type of quality?

  A. Narrow band audio
  B. Center band audio
  C. Wide band audio
  D. CD quality audio
  A. Narrow band audio

• Question 164:

  Ethernet is capable of automatically sensing the speed and duplicity of the LAN connection by using which process?

  A. Flash Link Pulse
  B. Dynamic Host Configuration Protocol
  C. Domain Name Services
  D. Light-weight Directory Access Protocol
  E. Resource Reservation Protocol
  F. RAS Protocol
  A. Flash Link Pulse

• Question 165:

  Which of the following functions can NOT be performed by a microphone mixer?

  A. Provide phantom power to microphones.
  B. Provide gain to convert mic-level signals to line-level signals.
  C. Provide a means to adjust the relative gain of different microphones.
  D. Provide a means to adjust the video display brightness.
  E. Provide a means to adjust the room acoustics
  D. Provide a means to adjust the video display brightness.
  E. Provide a means to adjust the room acoustics

• Question 166:

  What are the termination impedance and the signal level for PAL video?

  A. 50 Ohms and 1 Vpp
  B. 50 Ohms and 2 Vrms
  C. 75 Ohms and 1 Vpp
  D. 75 Ohms and 1 Vrms
  C. 75 Ohms and 1 Vpp