1K0-001 Online Practice Questions and Answers

Video display for Content (Role Management) Visual Collaboration is best displayed on a ___________ video monitor.

A. S-Video

B. Component

C. Composite

D. Analog RF coaxial cable connected

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

A. 75 Ohms and 1 Vpp

B. 75 Ohms and 2 Vrms

C. 100 Ohms and 1 Vpp

D. 100 Ohms and 1 Vrms

Frame Relay Virtual Private Networks are capable of providing more bandwidth by controlling and increasing the:

A. Circuit Clock.

B. Network Clock.

C. Variable Bit Rate.

D. Committed Information Rate and Burst Rate.

E. Constant Bit Rate.

Of the following, select three functions that the ISDN Functional Group NT-1 for Basic Rate Interface provides.

A. May provide conversion between LEC and the PBX

B. May provide phantom power over the TX and RX loops of S/T reference

C. Provides conversion between the 2-wire U and 4-wire S/T references

D. Provides power to allow the U Reference to be longer from the Local Exchange

E. Allows the Local Exchange to Down speed the local loop

F. Allows the Local Exchange to access and perform maintenance to local loop

Which of the following are associated with the operation of an Acoustic Echo Canceller (AEC)?

A. Noise suppression

B. Room microphones

C. Room loudspeakers

D. Automatic gain control

Which two types of Networks are capable of providing consistent, guaranteed QoS Constant Bit Rate Transport with a steady reliable clock source?

A. ISDN D-Channel

B. ISDN Circuit Switched Voice

C. ISDN Circuit Switched Data

D. X.25 / X.75 Packet Switching

E. ATM CBR-AAL0 Service

F. Public Virtual Private Network

Where is the G.711 A-law used?

A. T1 Networks

B. T3 Networks

C. ATM Networks

D. E1 Networks

Which of the following is Line Coding used for Primary Rate E1?

A. BRTZ-AMI

B. B7S

C. HDB3

D. B8ZS

E. Pulse Stuffing

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

H.320 Video Conference is running and the picture of the people from the Far-End is displaying intermittently freezing video. Which of the following is a valid reason for this problem to occur?

A. Network is down

B. Bandwidth of the call is 384 kilobits

C. Attendees at the Near End are moving too much

D. Near End is receiving Content Video

E. Far-End is receiving Content Video

Which Network Services speeds are governed by cable length and cable wire gauge?

A. Packet Switching

B. Integrated Services Digital Network Primary Rate

C. D-Channels

D. B-Channels

E. Digital Subscriber Line Services

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.

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

A popular way to select a Gateway is by using a

A. Gateway SPID values registered on a Gatekeeper for ISDN to IP.

B. Gateway Prefix values registered on a Gatekeeper for IP to ISDN.

C. Direct In Dial Numbers of ISDN to IP with or without a Gatekeeper.

D. Set of numbers that point to the TEI of the D-Channel.

E. A and B

F. B and C

G. C and D

G.722 Audio over IP using the H.323 Standard must be transmitted as packets that are_____________

A. unframed at random intervals.

B. framed using 802.3 and are sent at random intervals.

C. framed using 802.3 and are sent at 140 millisecond intervals.

D. framed using 802.3 and are sent at 10 millisecond intervals.

E. framed using 802.3 and are sent at 60 millisecond intervals.