Polycom Polycom Certification 1K0-002 Questions & Answers

• Question 41:

  Which organizations provide most of the channel networks or DS0 / DS1 / CEPT1 connections to customer locations worldwide?

  A. Public Switched Telephone Networks

  B. Cell Phone Carriers

  C. Microwave Carriers

  D. Internet Access Providers

  E. Fiber Carriers and Department of Defense

  Correct Answer: A

• Question 42:

  What is the audio data rate in bits per second that a G.723.1 and G.729 audio algorithms that use over a network connection?

  A. greater than 16,000

  B. less than 5,000

  C. less than 10,000

  D. greater than 64,000

  Correct Answer: C

• Question 43:

  The first process for H.323 Terminals to be defined within a Gatekeeper Tables is for Terminals to , .

  A. Admission Request, Acknowledge Request

  B. Admission Request, Admission Confirmed

  C. Bandwidth Request, Bandwidth Confirmed

  D. Registration Request, Registration Confirmed

  E. Registration Request, Registration Rejected

  F. All of the other alternatives apply.

  Correct Answer: D

• Question 44:

  Which of the following might cause a video frame rate problem?

  A. Insufficient light source used in the room

  B. Walls that are painted red

  C. Carpeting is red color

  D. Insufficient bandwidth between VTC systems

  Correct Answer: D

• Question 45:

  EIA/TIA RS-449/422 Digital Interface cable specification describes cable length of up to at network speed of 384 kilobits per second.

  A. 4000 yards

  B. 1450 feet

  C. 150 feet

  D. 250 feet

  E. 9000 feet

  Correct Answer: B

• Question 46:

  Which of the following correctly describe training as it applies to Acoustic Echo Cancellers (AEC)?

  A. Training requires no input from any microphone signals in a videoconferencing room.

  B. Training is dependent on room AEC related audio components and gain settings.

  C. Training is a process by which AEC adapts to the room acoustics

  D. Training occurs regardless of the events occurring in a given room and AEC functions will only work if the mute button is pressed.

  Correct Answer: C

• Question 47:

  ISDN Primary Rate provided by Public Networks in Europe, Asia, Latin America, and Austrailia use

  A. one E1 Interface.

  B. three Basic Rate Circuits.

  C. one T1 Interface.

  D. one T3 Interface.

  Correct Answer: A

• Question 48:

  Packet Traffic Examination Applications provide information regarding which functions? (Select two of the following options)

  A. Layers 2-7 Header Breakdown

  B. Byte for Byte breakdown of all framed bits including Payload

  C. Layers 4 and 5 Only Header Breakdown

  D. Layers 1-7 Header Breakdown

  E. Audio Decoded Sound

  F. Video Decoded Picture

  Correct Answer: AB

• Question 49:

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

  A. TCP Streams

  B. RTP Streams

  C. LAN Streams

  D. HTTP Streams

  E. UTP Streams

  Correct Answer: B

• Question 50:

  ISDN provides out-of-band signaling by introducing

  A. Data Channel for signals.

  B. Supplementary Channel for signals.

  C. Bearer Channel for signals.

  D. Digital Data splicing for signals.

  Correct Answer: A