Polycom Polycom Certification 1K0-002 Questions & Answers

• Question 71:

  Multiplexers using HSD interfaces are DCE Interfaces that provide which three signals?

  A. Data Carrier Detect (RLSD)

  B. TX Clock and TX Data

  C. TX Clock and RX Clock

  D. Transmit Data

  E. Request to Send

  F. Receive Data

  Correct Answer: ACF

• Question 72:

  How many frames per second make up a NTSC and PAL video signal?

  A. PAL 30

  B. NTSC 30

  C. NTSC 25

  D. PAL 25

  E. NTSC 20

  Correct Answer: BD

• Question 73:

  How is Multiplexing performed? (Select 3 of the following options.)

  A. By session

  B. By statistical

  C. By performance

  D. By network administrator time of day

  E. By time division

  F. By frequency division

  Correct Answer: BEF

• Question 74:

  What term is used for video display resolution of H.264 Video Coding used for Visual Telephony?

  A. Standardized Network Management Parameters

  B. Standard Systems Committee

  C. Standard Optics D. Standard Intermediate Format

  Correct Answer: D

• Question 75:

  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 / Local Loop / Interoffice Facilities / Local Exchange Carrier Digital Switch

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

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

  D. Station / Interoffice Facilities / Local Exchange Carrier Digital Switch

  Correct Answer: B

• Question 76:

  Real Time Transport Protocol and Real Time Transport Control Protocol are used to provide

  A. Upper Layer Packet Loss and Packet Errors Statistics and Corrective Action.

  B. Lower Layer Transport of Data Collaboration.

  C. C and D.

  D. All of the other alternatives apply..

  E. Upper Layer Data Packet Sequencing, Timing, and Synchronization for Audio and Video.

  F. Lower Layer Transport of Audio and Video.

  G. A and B.

  Correct Answer: C

• Question 77:

  What are the termination impedance and the signal level for NTSC video?

  A. 75 Ohms and 1Vpp

  B. 75 Ohms and 2Vrms

  C. 100 Ohms and 1Vpp

  D. 100 Ohms and 1Vrms

  Correct Answer: A

• Question 78:

  The G.722 Audio over IP using the H.323 Standard must be transmitted as packets that are

  A. unframed at random intervals.

  B. framed using 802.3 and are sent at 10 millisecond intervals.

  C. framed using 802.3 and are sent at random intervals.

  D. framed using 802.3 and are sent at 140 millisecond intervals.

  E. framed using 802.3 and are sent at 60 millisecond intervals.

  Correct Answer: E

• Question 79:

  Which of the following is the best wiring type used within each floor of building for low voltage Ethernet cable installations?

  A. Riser Cable

  B. Ribbon Cable

  C. Plenum Cable

  D. Unshielded flat satin cable

  Correct Answer: C

• Question 80:

  Which of the following describes the activity for which a RTCP is used?

  A. Network Statistics of Media Channels between Routers

  B. Transport Task for Communication of Audio and Video over IP

  C. Transport Task of Simple Network Management Protocol

  D. Network Statistics of Media Channels between Videoconferencing Hardware

  E. Network Statistics of Media Channels between Gatekeepers

  Correct Answer: D