Polycom 1K0-001 Online Practice Questions and Exam Preparation

Polycom 1K0-001 Online Questions & Answers

• Question 71:

  Which ITU-T Standard describes the MCU or Video Bridge for Audio Visual Terminals?

  A. H.230
  B. H.231
  C. H.241
  D. H.242
  E. G.711
  F. G.722
  B. H.231

• Question 72:

  Which of the following correctly describes the purpose of an Acoustic Echo Canceller (AEC)?

  A. An AEC provides a means to reduce room noise sent to the far-end.
  B. An AEC provides a means to reduce room reverberation as heard by the far-end.
  C. An AEC provides compensation for room acoustics to improve microphone sensitivity and gain.
  D. An AEC reduces the room loudspeaker contribution to the local microphone sent to the far-end.
  E. An AEC provides compensation for room acoustics to better allow the reduction of echo returned to the far-end.
  D. An AEC reduces the room loudspeaker contribution to the local microphone sent to the far-end.
  E. An AEC provides compensation for room acoustics to better allow the reduction of echo returned to the far-end.

• Question 73:

  What effect does the zoom function have relative to the camera's field of view?

  A. It widens the field at full zoom.
  B. It narrows the field at full zoom.
  C. It can either widen or narrow the field at full zoom.
  D. It has no effect on the field of view.
  B. It narrows the field at full zoom.

• Question 74:

  High-Definition Videoconferencing will require and use:

  A. the same camera from NTSC and PAL VTC systems
  B. typical off the shelf web camera
  C. high-definition camera
  D. all of the above
  C. high-definition camera

• Question 75:

  During a H.323 Videoconference, what is the correct bandwidth used by the G.711 and G.722 audio algorithms in a 256K conference call?

  A. 30,000 bits per second
  B. 40,000 bits per second
  C. 128,000 bits per second
  D. 64,000 bits per second
  D. 64,000 bits per second

• Question 76:

  Videoconference rate of a H.323 IP Call requires the packet examination of which of the following?

  A. Medium Access Control Layer
  B. IP Header
  C. UDP Header
  D. TCP Layer
  E. Packet Payload
  F. Gatekeeper Registration Request
  G. RTP Header
  E. Packet Payload

• Question 77:

  Public Switched Telephone Company channel network components starting at the customer site and continuing to the Far-End site are set up as follows:

  A. Station / Interoffice Facilities / Local Exchange Carrier Digital Switch
  B. Station / Local Loop / Interoffice Facilities / Local Exchange Carrier Digital Switch
  C. Station / Interoffice Facilities / Local Loop / Local Exchange Carrier Digital Switch
  D. Station / Local Loop / Local Exchange Carrier Digital Switch / Interoffice Facilities
  D. Station / Local Loop / Local Exchange Carrier Digital Switch / Interoffice Facilities

• Question 78:

  IEEE oversees which of the following?

  A. ANSI standards
  B. ISO standards
  C. 802 LAN groups
  D. OSI Model
  E. Bell Standards
  F. All of the above
  C. 802 LAN groups

• Question 79:

  Switched Channel Circuit Network by definition is network that provides:

  A. Packet switching.
  B. Cell Switching.
  C. temporary half-duplex connection from point A to point B.
  D. temporary full-duplex connection from point A to point B.
  E. permanent half-duplex network connections from point A to point B.
  F. permanent full-network connections from point A to point B.
  D. temporary full-duplex connection from point A to point B.

• Question 80:

  Which of the following most accurately defines white balance?

  A. The amount of white pixels that appear in a video frame
  B. A feature that eliminates noises distributed uniformly over the frequency spectrum
  C. A feature that splits the signal between the red, green, and blue components to make white
  D. A feature that adjusts the signal between the red, green, and blue components that yield white video signals.
  D. A feature that adjusts the signal between the red, green, and blue components that yield white video signals.