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Exam : Polycom 1K0-001
Title : Polycom Cve Core Exam


1. To setup a Videoconferencing system to be capable of ISDN speeds up to 512 kilobits per second, which of the following is required? (Select three of the following options.)
A. 3 TE-2
B. 4 NT-1
C. 4 TE-2
D. 1 IMUX with 3 BRI line support
E. 1 IMUX with 4 BRI line support
F. 3 BRI lines
G. 3 NT-1
H. 6 BRI lines
I. 4 BRI lines
Answer: BEI

2. H.241 is best described as a standard that unifies
A. Audio Coding for H.300 Series.
B. Framing for H.300 Series.
C. Video Conference Coding for H.300 Series.
D. all Operations for H.300 Series.
E. Video Procedures and Control Signals for H.300 Series.
Answer: E

3. Which of the following refers to Line coding used with the 2-wire, U reference of a Basic Rate Interface?
A. BRTZ-AMI
B. HDB3
C. 2B1Q
Answer: C

4. Which of the following describe video dynamics as processed through a videoconference system?
A. Cameras react to light the same as ones eye and video monitors accurately render the video information so what one sees by eye is what the far-end sees.
B. Cameras have limits to the range of light levels which can be accommodated and tend to process the darker regions further toward black than what ones eye sees.
C. Codecs have the same limits as cameras and therefore will not change the perceived qualities of the video as rendered by the cameras.
D. Codecs have more restrictive limits than cameras, and the best way to accurately assess the video quality sent to the far-end is to view a video scene fully coded and then decoded.
Answer: BD

5. 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 1
B. Mode 2
C. Mode 3
D. Mode 4
Answer: A

6. Which of the following video display resolutions are true 16:9 Aspect Ratio?
A. 1920X1080
B. 1024X768
C. 1280X720
D. 720X480
Answer: AC

7. Quarter Common Intermediate Format has
A. twice the resolution of CIF.
B. half the number of lines of 4CIF.
C. four times more resolution than CIF.
D. None of the above
Answer: D

8. A popular way to select a Gateway is by using a
A. Gateway SPID values registered on a Gatekeeper for ISDN to IP.
B. Gateway Prefix values registered on a Gatekeeper for IP to ISDN.
C. Direct In Dial Numbers of ISDN to IP with or without a Gatekeeper.
D. Set of numbers that point to the TEI of the D-Channel.
E. A and B
F. B and C
G. C and D
Answer: F

9. Encryption security of Video and Audio will be used to make
A. only the packet headers unreadable
B. only the first packet header unreadable
C. only the packet payload unreadable
D. None of the above
Answer: C

10. True or False?
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
Answer: B

11. E1 framing has a bit structure of how many bits per frame?
Clue Full metallic E1 speed divided by 8KHz Stratum timing.
A. 200
B. 240
C. 256
D. 300
Answer: C

12. What effect will an oscillating fan that is visible in the background have on the overall video quality?
A. No effect
B. Shadows
C. Video switching
D. Lower frame rate
Answer: D

13. What allows the detection of audio distortion?
A. Audible sound quality
B. Measured audio signal level
C. Measured background noise level
D. Digital signal processor clock level
Answer: AB

14. 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.
Answer: E