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Polycom 1K0-001 - Questions & Answers

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Question 1
Single choice

High-Definition Videoconferencing will require and use:

A.

the same camera from NTSC and PAL VTC systems

B.

typical off the shelf web camera

C.

high-definition camera

D.

all of the above

Question 2
Single choice

During a H.323 Videoconference, what is the correct bandwidth used by the G.711 and G.722 audio algorithms in a 256K conference call?

A.

30,000 bits per second

B.

40,000 bits per second

C.

128,000 bits per second

D.

64,000 bits per second

Question 3
Single choice

UDP Media Channels are identified by:

A.

32 bit Address or Signaling Port and ISDN Port Number.

B.

48 bit MCU Number and the 32 bit Gateway Number.

C.

32 bit Source Port Number and 32 bit Destination Port Number.

D.

16 bit Source Port Number and 16 bit Destination Port Number.

E.

V35 Port and RS449 Port.

F.

none of the above.

Question 4
Single choice

323 / H.225 / H.245 ITU-T Standards describe that Opening of Logical Channels will take place before the Capabilities Communication Procedure.

A.

True

B.

False

Question 5
Single choice

802.3 MAC format is used for which type of network?

A.

Point to Point Serial Modems

B.

Asynchronous Transfer Mode

C.

Token Ring

D.

RS-530 and V.35

E.

Ethernet

F.

All of the above

Question 6
Single choice

Which of the following most accurately defines white balance?

A.

The amount of white pixels that appear in a video frame

B.

A feature that eliminates noises distributed uniformly over the frequency spectrum

C.

A feature that splits the signal between the red, green, and blue components to make white

D.

A feature that adjusts the signal between the red, green, and blue components that yield white video signals.

Question 7
Single choice

H.323 Visual Telephony related ITU-T Standards defines the Media Gateways as:

A.

Packet to Channel Media Conversion.

B.

Packet to ATM Broadband Conversion.

C.

Packet to VSAT Satelite Communications.

D.

All of the above

E.

None of the above

Question 8
Single choice

Which of the following is the most important component of H.221 connectivity?

A.

Video Intra Frames Signals and Data Collaboration Signals

B.

Frame Alignment Signal and Bit Rate Allocation Signal

C.

Encryption Control Signal and Video Conference Signal

D.

Audio Signals and Data Collaboration Signals

Question 9
Single choice

Pick the best match; Audio "Critical Distance" is a definition that relates to:

A.

Distance between the audio amplifier inputs and room microphone

B.

Distance between the person speaking and the microphone used

C.

Distance between the video display monitor and camera

D.

Distance between the walls, floor to ceiling, and doorways

Question 10
Single choice

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

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