POLYCOM -Polycom Certified Videoconferencing Engineer (PCVE)

1.

What does MCU stand for?

Multiplex Control Unit Multipoint Conference Unit Multiplex Conference Unit Multipoint Conference Union

2.

Routers exchange route tables to notify other routers of _________ that are available.

hosts printers networks workstations

3.

With an IP address mask of 255.255.255.240, each subnetwork can have up to how many hosts?

14 41 48 84

4.

Which are necessary components of a local area network? (Select 4 answers.)

cables a network interface card a bridge a gateway a file server

5.

Which are correct definitions of ISDN network interface reference points? (Select 2 answers.)

The U reference point is between ISDN terminal equipment and the network termination. The U reference point is between the network termination and the network equipment. The S/T reference point is between ISDN terminal equipment and the network termination. The S/T reference point is between the network termination and the network equipment.

6.

Which most accurately describes Switched Multimegabit Digital Service?

a form of packet switching that uses small packets and handles high speed bursty data over wide area networks efficiently a connectionless high speed data transmission service that provides wide area local area networkconnectivity through the public telephone network facilities within networking software that provide information on resources available on the network,frames, data sources, and applications a fast cell switching technology based on a fixed 53 byte cell that handles both circuit switching forconstant bit rate services and packet switching for variable bit rate services in the same manner

7.

In a point-to-point videoconference your system is 15 fps, and the far-end is 30 fps. How many frames per second will the far-end viewer see under normal conference conditions?

7.5 fps 10 fps 15 fps 30 fps

8.

If you plug in a Y/C cable and get black and white video, which signal is not being seen?

RGB SVHS luminance chrominance

9.

Which signals are being used with Y/C video?

red, green and blue chrominance and luminance kodachrome and polychrome yustra spectrum and composite

10.

How many frames per second make up a NTSC and PAL video signal? (Select 2 answers.)

NTSC 20 NTSC 25 NTSC 30 PAL 25 PAL 30

POLYCOM -Polycom Certified Videoconferencing Engineer (PCVE)

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