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

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

2. 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

3. 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

4. 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

5. Gatekeeper messages for registration and admission that are successful will always have the Generic structure as:
(Note – "XX" – is a variable value that represents specific Gatekeeper names)
A. RequestXX, ReplyXX
B. RequestXX, DenyXXC
C. XXRequest, XXReply
D. XXRequest, XXConfirm
E. XXRequest, XXAcnowledged
Answer: D

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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
Answer: A

14. 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

15. 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

16. 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

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Exam : Polycom 1K0-002
Title : CVE-2

1. Which of the following are Call Establishment packets? (Select three of the following options.)
A.Receiver Ready
B.Disconnect Request
C.Release Request
D.Setup
E.Connect Acknowledged
F.Receiver Not Ready
G.Alerting
H.Release Complete
Answer: DEG

2. Which audio coding standards are described by H.323?
A.G.711, G.721, G.722, and G.723
B.G.711, G.722, G.728, and G.726
C.G.711, G.722, G.728, G.723.1, and G.729
D.G.711, G.722, G.728, and G.723.1
Answer: C

3. Which of the following is the Protocol RAS used by the H.323 Gatekeeper?
A.Registration, Alerting, and Status of H.323 Terminals
B.Registration, Access, and Status of H.323 Terminals
C.Registration, Activation, and Status of H.323 Terminals
D.Registration, Admission, and Status of H.323 Terminals
Answer: D

4. Which audio coding uses 8 Kbps?
A.G.711
B.G.722
C.G.729
D.G.728
E.G.722.1
Answer: C

5. What are two other names for a Frame Relay Network?
A.RS-232
B.V.35
C.Broadband
D.Virtual Private Network
E.802.3 Medium Access Control Network
Answer: CD

6. 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

7. The term "Full Motion Video" typically refers to a transmission of video at which rate?
A.Video Frames at a rate of less than 10 per second
B.Video Frames at a rate of greater than 100 per second
C.Video Frames at a rate of less than 24 per second
D.Video Frames at a rate of 24 or more per second
Answer: D

8. Which of the following is the channel used to carry the Audio for H.320 Terminals?
A.Channel 6
B.Channel 4
C.Channel 3
D.Channel 2
E.Channel 1
Answer: E

9. Which of the following is Line Coding used for Primary Rate T1?
A.BRTZ-AMI
B.B7S
C.HDB3
D.B8ZS
E.Pulse Stuffing
Answer: D

10. 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.
Answer: C

11. Which of the following describes the activity for which a RTCP is used?
A.Transport Task for Communication of Audio and Video over IP
B.Transport Task of Simple Network Management Protocol
C.Network Statistics of Media Channels between Videoconferencing Hardware
D.Network Statistics of Media Channels between Routers
E.Network Statistics of Media Channels between Gatekeepers
Answer: C

12. Local Area Network Metallic Interfaces are
A.connection oriented, point to point connectivity only.
B.unshared network that serves unlimited endpoints.
C.connectionless oriented connectivity, shared network that serves limited distances.
D.connectionless oriented connectivity, shared network that serves unlimited distances.
E.C and D
F.All of the above
Answer: C

13. A telephone call over the Public Switched Telephone Network is what type of quality?
A.Narrow band audio
B.Center band audio
C.Wide band audio
D.CD quality audio
Answer: A

14. 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.
Answer: A

15. Multiplexers using HSD interfaces are DCE Interfaces that provide which three signals?
A.Transmit Data
B.Receive Data
C.Request to Send
D.Data Carrier Detect (RLSD)
E.TX Clock and TX Data
F.TX Clock and RX Clock
Answer: BDF

16. How is noise measured?
A.Volume
B.Distance
C.Amplitude
D.Impedance
Answer: AC