Polycom 1K0-001 Online Practice Questions and Exam Preparation

Polycom 1K0-001 Online Questions & Answers

• Question 131:

  H .323 / H .225 / H .245 ITU-T Standards describe that Audio and Video are always multiplexed together in the same packets for In-Bound and Out-bound.

  A. True
  B. false
  B. false

• Question 132:

  What is the correct frequency response for the G.711 audio algorithm?

  A. 50Hz to 3.4kHz
  B. 50Hz to 7kHz
  C. 300Hz to 3.4kHz
  D. 300Hz to 7kHz
  C. 300Hz to 3.4kHz

• Question 133:

  Which of the following Standards defines multiple video channels during a Visual Telephony meeting?

  A. H.239
  B. H.320
  C. H.221
  D. H.323
  E. H.225
  A. H.239

• Question 134:

  MCU operation of H.323 Videoconferencing over IP is defined as which two components?

  A. Network Controller and Multipoint Controller
  B. Multipoint Controller and Multipoint Processor
  C. Multipoint Processor and Video Controller
  D. Audio and Video Controller
  E. All of the above
  B. Multipoint Controller and Multipoint Processor

• Question 135:

  ISDN provides out-of-band signaling by introducing

  A. Digital Data splicing for signals.
  B. Data Channel for signals.
  C. Bearer Channel for signals.
  D. Supplementary Channel for signals.
  B. Data Channel for signals.

• Question 136:

  Local Area Network Metallic Interfaces are:

  A. connection oriented, point to point connectivity only.
  B. unshared network that serves unlimited endpoints.
  C. connectionless oriented connectivity, shared network that serves limited distances.
  D. connectionless oriented connectivity, shared network that serves unlimited distances.
  E. C and D F. All of the above
  C. connectionless oriented connectivity, shared network that serves limited distances.

• Question 137:

  Which signals are being used with Y/C video?

  A. Red, green and blue
  B. Chrominance and luminance
  C. Kodachrome and polychrome
  D. Yustra spectrum and composite
  B. Chrominance and luminance

• Question 138:

  Which of the following correctly describes the term "half duplex" as it refers to audio in a videoconference?

  A. Only one site of a conference is heard at any given time.
  B. Only one person at a time is heard speaking from any given room.
  C. Only one site of a conference is allowed to speak at any given time.
  D. Only one person at a time is allowed to speak in a given room attending a conference.
  A. Only one site of a conference is heard at any given time.

• Question 139:

  Frame Relay Virtual Private Networks are capable of providing more bandwidth by controlling and increasing the:

  A. Circuit Clock.
  B. Network Clock.
  C. Variable Bit Rate.
  D. Committed Information Rate and Burst Rate.
  E. Constant Bit Rate.
  D. Committed Information Rate and Burst Rate.

• Question 140:

  Which four digital interfaces are capable of operating at rates up to 2 Million Bits per second?

  A. RS-232
  B. V.35
  C. V.25
  D. RS530
  E. X.21
  F. RS449
  G. X.25
  H. Q.931
  B. V.35
  D. RS530
  E. X.21
  F. RS449