1K0-001 Online Practice Questions and Answers

Videoconferencing channel synchronous networks may be defined as (Select two of the following options.)

A. networks capable of speeds up to 2,000,000 bits per second.

B. networks that can transmit but not receive at the same time.

C. networks that provide no clocks.

D. networks that can transmit and receive simultaneously with no clock.

E. networks that require clocks for transmit and receive.

Which of the following correctly describes the purpose of an Acoustic Echo Canceller (AEC)?

A. An AEC provides a means to reduce room noise sent to the far-end.

B. An AEC provides a means to reduce room reverberation as heard by the far-end.

C. An AEC provides compensation for room acoustics to improve microphone sensitivity and gain.

D. An AEC reduces the room loudspeaker contribution to the local microphone sent to the far-end.

E. An AEC provides compensation for room acoustics to better allow the reduction of echo returned to the far-end.

Which of the following are the Call Control and allow implementation of Fire Wall Standard Communication Signals for H.323?

A. H.265

B. H.460

C. H.225

D. H.245

Media Gateways will:

A. process information for Video File Transfers.

B. process audio for Multipoint Conferencing.

C. provide Bearer to Bearer Channel Switching.

D. provide Bearer Channel termination and Media Stream termination and conversion.

E. terminate Packet Networks.

Which signals are being used with Y/C video?

A. Red, green and blue

B. Chrominance and luminance

C. Kodachrome and polychrome

D. Yustra spectrum and composite

Which Standard describes Far-End Camera Control over a Low Speed data channel?

A. H.241

B. H.320

C. H.321

D. H.281

E. H.221

F. H.243

G. H.225

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

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

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

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