Polycom Polycom Certification 1K0-002 Questions & Answers

• Question 51:

  T1 trunks are capable of supporting up to

  A. 2 - 384,000 bit per second connections.

  B. 4 - 384,000 bit per second connections.

  C. 5 - 384,000 bit per second connections.

  D. 3 - 384,000 bit per second connections.

  Correct Answer: B

• Question 52:

  Which audio coding standards are described by H.323?

  A. G.711, G.722, G.728, and G.726

  B. G.711, G.722, G.728, G.723.1, and G.729

  C. G.711, G.722, G.728, and G.723.1

  D. G.711, G.721, G.722, and G.723

  Correct Answer: B

• Question 53:

  Full Duplex Ethernet Operation can be achieved by using

  A. Ethernet Switches.

  B. Ethernet COAX Cable

  C. Ethernet HUB.

  D. Single Fiber Optic Cable Network.

  Correct Answer: A

• Question 54:

  Which Standard describes Far-End Camera Control over a Low Speed data channel?

  A. H.321

  B. H.241

  C. H.320

  D. H.281

  E. H.221

  F. H.225

  G. H.243

  Correct Answer: D

• Question 55:

  The G.711 uses which bit rate speed for H.320 conferences at 384 kilobits per second?

  A. 64 kilobits per second

  B. 56 kilobytes per second

  C. 56 kilobits per second

  D. 48 kilobytes per second

  E. 48 kilobits per second

  F. 64 kilobytes per second

  Correct Answer: C

• Question 56:

  Switched Channel Circuit Network by definition is network that provides

  A. Cell Switching.

  B. permanent full-network connections from point A to point B.

  C. permanent half-duplex network connections from point A to point B.

  D. temporary half-duplex connection from point A to point B.

  E. Packet switching.

  F. temporary full-duplex connection from point A to point B.

  Correct Answer: F

• Question 57:

  Which of the following is the best video coder for video content transport?

  A. H.263 CIF15

  B. H.263 QCIF 30

  C. H.264 4SIF15

  D. H.261 QQCIF 10

  E. H.263 CIF

  F. H.264 SIF

  Correct Answer: C

• Question 58:

  The Bandwidth on Demand Interoperability Group created four modes for standardized Inverse Multiplexing.

  Which mode is best compatible with H.320/221 Video Conferencing?

  A. Mode 4

  B. Mode 1

  C. Mode 2

  D. Mode 3

  Correct Answer: B

• Question 59:

  Which video coding is mandatory for H.324?

  A. H.261

  B. H.221

  C. H.263

  D. H.264

  E. H.262

  Correct Answer: C

• Question 60:

  Which two items does the ITU-T H.320 recommendation specify?

  A. The Technical requirements to ensure that only those signal are transmitted which can be received and appropriately treated by the remote terminal, without ambiguity

  B. The Technical requirements for wide-band visual telephone systems and the terminal equipment typically for Video conferencing and video phone services

  C. The Technical requirements for narrow-band visual telephone systems and the terminal equipment typically for Video conferencing and video phone services

  D. The Technical requirements for the broadcasting type multipoint system and terminal equipment, which allow the audiovisual signal from a transmitting terminal to be distributed to multiple receiving terminals

  Correct Answer: AC