Polycom Polycom Certification 1K0-001 Questions & Answers

• Question 31:

  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

  Correct Answer: DE

• Question 32:

  Which, of the following items, best describes gain?

  A. Increase only to a signal voltage as it passes through a given component

  B. Increase or decrease to a signal voltage as a passes through a given component

  C. Decrease only to a signal voltage as it passes through a given system component

  D. None of the above

  Correct Answer: B

• Question 33:

  When required, improperly matched impedance will cause problems with__________.

  A. Audio signal levels

  B. feedback frequency filtering

  C. room acoustics

  D. all of the above

  Correct Answer: A

• Question 34:

  H.323 Videoconferencing connections over the IP Packet Network to allow Video, Audio, Content to transport are called what?

  A. UTP Streams

  B. LAN Streams

  C. RTP Streams

  D. TCP Streams

  E. HTTP Streams

  Correct Answer: C

• Question 35:

  H.320 Video Conference is running and the picture of the people from the Far-End is displaying intermittently freezing video. Which of the following is a valid reason for this problem to occur?

  A. Network is down

  B. Bandwidth of the call is 384 kilobits

  C. Attendees at the Near End are moving too much

  D. Near End is receiving Content Video

  E. Far-End is receiving Content Video

  Correct Answer: D

• Question 36:

  Which Network Services speeds are governed by cable length and cable wire gauge?

  A. Packet Switching

  B. Integrated Services Digital Network Primary Rate

  C. D-Channels

  D. B-Channels

  E. Digital Subscriber Line Services

  Correct Answer: E

• Question 37:

  Which of the following is Line Coding used for Primary Rate E1?

  A. BRTZ-AMI

  B. B7S

  C. HDB3

  D. B8ZS

  E. Pulse Stuffing

  Correct Answer: C

• Question 38:

  What allows the detection of audio distortion?

  A. Audible sound quality

  B. Measured audio signal level

  C. Measured background noise level

  D. Digital signal processor clock level

  Correct Answer: AB

• Question 39:

  Which of the following video display resolutions are true 16:9 Aspect Ratio?

  A. 1920X1080

  B. 1024X768

  C. 1280X720

  D. 720X480

  Correct Answer: AC

• Question 40:

  H.241 is best described as a standard that unifies:

  A. Audio Coding for H.300 Series.

  B. Framing for H.300 Series.

  C. Video Conference Coding for H.300 Series.

  D. all Operations for H.300 Series.

  E. Video Procedures and Control Signals for H.300 Series.

  Correct Answer: E