Polycom Polycom Certifications 1K0-001 Questions & Answers

• Question 51:

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

  A. Standard Intermediate Format

  B. Standard Systems Committee

  C. Standard Optics

  D. Standardized Network Management Parameters

  Correct Answer: A

• Question 52:

  H.323 Media Gateways require H.323 Terminals, which wish to make calls through the Gateway to ISDN sites, to:

  A. perform a test with the other H.323 Terminals first

  B. be registered with the MCU first

  C. be registered with the Gatekeeper first

  D. call the Network administrator first

  E. be using a Gateway Prefix registered on an Active Gatekeeper

  F. be using a Gatekeeper Prefix defined on the End Point

  Correct Answer: E

• Question 53:

  Switched Channel Circuit Networks provide which two-bandwidth speed increments?

  A. 48K bits per second

  B. 64K bytes per second

  C. 56K bytes per second

  D. 64K bits per second

  E. 56K bits per second

  Correct Answer: DE

• Question 54:

  What is the number of scan lines and the frequency for PAL video?

  A. 525 lines and 50 Hz

  B. 525 lines and 60 Hz

  C. 625 lines and 50 Hz

  D. 625 lines and 60 Hz

  Correct Answer: C

• Question 55:

  Network Operating Systems will typically introduce dynamic network functions and security by creating and controlling a _______hierarchy.

  A. People to People Relationship

  B. People to Software Police Relationship

  C. Client to Client Relationship

  D. Client to Network Switch Relationship

  E. Client to Server Relationship

  F. Client to Software Police Relationship

  Correct Answer: E

• Question 56:

  Which of the following describes audio analog clipping?

  A. A distorted signal voltage from a microphone after passing through an amplifier with excessive gain applied.

  B. An accurate signal voltage from a microphone after passing through an amplifier without any gain applied.

  C. Audio amplifiers with too high an impedance.

  D. A clean signal passed through an Audio amplifier with excessive AC line voltage.

  Correct Answer: A

• Question 57:

  High Definition Video is best described as:

  A. Video Signal that consists of luminance scan interlaced lines.

  B. Video Signal made up of 8X8 blocks of pixels.

  C. Video signal that represents 720 lines of pixels, progressively scanned.

  D. Video Signal made up of 40X40 macroblocks pixels.

  Correct Answer: C

• Question 58:

  The scope of H.225 Standard describes:

  A. video and audio coders for H.323.

  B. channel bandwidth sub-division.

  C. the means by which audio, video, data, and control are associated, coded, and packetized for transport between H.323 equipment on a packet-based network.

  D. the means by which audio, video, data, and control are associated, coded, and channelized for transport between H.320 equipment on a channel network.

  E. the Coding Operation details for video and audio.

  F. A and C

  Correct Answer: C

• Question 59:

  Select three of the following networks types that are "Full Duplex".

  A. ISDN B-Channels

  B. Ethernet HUB interfaces

  C. Ethernet Switch interfaces

  D. Ethernet BUS cable interfaces

  E. S/T Reference point

  F. One Coaxial Cable

  Correct Answer: ACE

• Question 60:

  Video Coding Formats describes the:

  A. Pictures per Line

  B. Lines of Chromance

  C. Lines of Luminance

  D. A, B, and C

  E. G, H, and I

  F. Lines per Frame and Samples per Line

  G. Pictures per Second

  H. Frames per Second

  I. Frames and Lines per Second

  Correct Answer: F