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1K0-001 Real Exam Questions

Polycom Certified Videoconferencing Engineer (PCVE)

166 questions available · Page 1 of 17

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Question 1 Single choice

Encryption security of Video and Audio will be used to make

  1. A

    only the packet headers unreadable

  2. B

    only the first packet header unreadable

  3. C

    only the packet payload unreadable

  4. D

    None of the above

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Correct answer: C

Question 2 Multiple choice

Of the following names, which two apply to S-Video?

  1. A

    Synchronous Video

  2. B

    Y/C Video

  3. C

    Separate Video

  4. D

    Select Video

  5. E

    Standard Video

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Correct answers: B, C

Question 3 Single choice

Video Coding Formats describes the:

  1. A

    Pictures per Line

  2. B

    Lines of Chromance

  3. C

    Lines of Luminance

  4. D

    A, B, and C

  5. E

    G, H, and I

  6. F

    Lines per Frame and Samples per Line

  7. G

    Pictures per Second

  8. H

    Frames per Second

  9. I

    Frames and Lines per Second

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Correct answer: F

Question 4 Single choice

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

  1. A

    perform a test with the other H.323 Terminals first

  2. B

    be registered with the MCU first

  3. C

    be registered with the Gatekeeper first

  4. D

    call the Network administrator first

  5. E

    be using a Gateway Prefix registered on an Active Gatekeeper

  6. F

    be using a Gatekeeper Prefix defined on the End Point

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Correct answer: E

Question 5 Single choice

Which of the following best describes and defines Packet Jitter?

  1. A

    Serious Packet Loss

  2. B

    Random Packet Discard

  3. C

    Packet Network Errors

  4. D

    Packet Delay Time End to End

  5. E

    Packet Delay Time Variation from Packet to Packet

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Correct answer: E

Question 6 Single choice

Which audio coding uses 8 Kbps?

  1. A

    G.711

  2. B

    G.722

  3. C

    G.729

  4. D

    G.728

  5. E

    G.722.1

Show answer and explanation

Correct answer: C

Question 7 Single choice

Which audio coding standards are described by H.323?

  1. A

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

  2. B

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

  3. C

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

  4. D

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

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Correct answer: C

Question 8 Single choice

Common Intermediate Format is approximately how many pixels per picture?

  1. A

    25,000

  2. B

    100,000

  3. C

    500,000

  4. D

    100,000,000

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Correct answer: B

Question 9 Multiple choice

Defective Local Loop may introduce what two problems? (Pick two of the following options.)

  1. A

    Cyclic Redundancy Errors

  2. B

    Network Channel Clocking Delay

  3. C

    Over-voltage to codec power supply

  4. D

    Over-voltage to the codec camera

  5. E

    Intermittent codec network connections

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Correct answers: A, E

Question 10 Single choice

H.323 describes which Standards for minimum compliance operations for Visual Telephony?

  1. A

    G.711 / H.261 / H.222 / H.245

  2. B

    G.722 / H.261 / H.225 / H.245

  3. C

    G.711 / H.262 / H.225 / H.245

  4. D

    G.711 / H.261 / H.225 / H.245

  5. E

    G.711 / H.263 / H.222 / H.245

  6. F

    G.722 / H.264 / H.222 / H.245

  7. G

    G.722 / H.263 / H.222 / H.245

Show answer and explanation

Correct answer: D