Polycom Polycom Certification 1K0-001 Questions & Answers

• Question 21:

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

  A. 50 Ohms and 1 Vpp

  B. 50 Ohms and 2 Vrms

  C. 75 Ohms and 1 Vpp

  D. 75 Ohms and 1 Vrms

  Correct Answer: C

• Question 22:

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

  A. Synchronous Video

  B. Y/C Video

  C. Separate Video

  D. Select Video

  E. Standard Video

  Correct Answer: BC

• Question 23:

  What effect does the zoom function have relative to the camera's field of view?

  A. It widens the field at full zoom.

  B. It narrows the field at full zoom.

  C. It can either widen or narrow the field at full zoom.

  D. It has no effect on the field of view.

  Correct Answer: B

• Question 24:

  Which four digital interfaces are capable of operating at rates up to 2 Million Bits per second?

  A. RS-232

  B. V.35

  C. V.25

  D. RS530

  E. X.21

  F. RS449

  G. X.25

  H. Q.931

  Correct Answer: BDEF

• Question 25:

  Which of the following is mandatory Video coding for H.323?

  A. H.280

  B. H.281

  C. H.260

  D. H.261

  E. H.263

  Correct Answer: D

• Question 26:

  What is the audio data rate in bits per second that a G.723.1 and G.729 audio algorithms that use over a network connection?

  A. greater than 64,000

  B. greater than 16,000

  C. less than 5,000

  D. less than 10,000

  Correct Answer: D

• Question 27:

  A mic-level audio signal will measure as:

  A. 10 kiloVolt.

  B. 10 miliVolt.

  C. 10 gigaVolt.

  D. 10 Watt.

  E. 10 Amp.

  Correct Answer: B

• Question 28:

  The first process for H.323 Terminals to be defined within a Gatekeeper Tables is for Terminals to ________, ________.

  A. Admission Request, Admission Confirmed

  B. Admission Request, Acknowledge Request

  C. Bandwidth Request, Bandwidth Confirmed

  D. Registration Request, Registration Rejected

  E. Registration Request, Registration Confirmed

  F. All of the above

  Correct Answer: E

• Question 29:

  Which of the following correctly describes reverberation and echo?

  A. Echo is a coherent, distinct carry-on of sound.

  B. Reverberation is irrelevant to conferencing audio.

  C. Reverberation is long, distinct, acoustic reflections.

  D. Reverberation is an incoherent, diffuse, carry-on of sound

  E. Echo is short, diffuse, acoustic reflections that linger after the original sound has stopped.

  Correct Answer: AD

• Question 30:

  Which of the following correctly describes echo as it relates to acoustic echo cancellations?

  A. The sound one hears when the far-end is talking and one tries to talk at the same time.

  B. The sound of the room reverberation as picked up by the local microphones, amplified and returned to the far-end.

  C. The result of sound bouncing off the walls in the room caused by the person speaking in that room being picked up by the microphones.

  D. The sound of the far-end being returned to themselves, caused by the room microphones picking up the audio from the room loudspeakers.

  Correct Answer: D