1K0-001 Online Practice Questions and Answers
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
Which of the following statements about line-level and mic-level are true?
A. Audio mixers can be connected into a line-level input.
B. Line-level or mic-level can be used for any audio input device.
C. Line-level and mic-level always have different impedance values.
D. Voltage ranges are not the same between line-level and mic-level.
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
ISDN provides out-of-band signaling by introducing
A. Digital Data splicing for signals.
B. Data Channel for signals.
C. Bearer Channel for signals.
D. Supplementary Channel for signals.
Which of the following Standards defines multiple video channels during a Visual Telephony meeting?
A. H.239
B. H.320
C. H.221
D. H.323
E. H.225
Where is the G.711 A-law used?
A. T1 Networks
B. T3 Networks
C. ATM Networks
D. E1 Networks
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
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
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