Exam 14: Multimedia Networking

Match each item with a statement below. -The algorithm used to sample,digitize,and recreate the video (and audio)stream

The ____ credentials provide authenticated access between the VoIP service provider and the local VoIP capable device.

When displaying a transparent GIF image in a browser,the browser's ____ pixel color will be used for any transparent pixels.

An experimental multicasting backbone,called ____,supports multicasting over the Internet.

A video file must be played with the same ____________________ used to create the video file.

The ____ file is the standard audio file format used by Windows.

____________________ refers to the combination of audio,image,video,animation,and text into a single presentation experience.

In order to play audio and video clips downloaded off the network,it is necessary to have the proper ____ installed.

Match each item with a statement below. -Provides better compression,in general,with little noticeable effect on image quality

List and describe the three types of frames that MPEG video is processed in.

Match each item with a statement below. -Specifies the methods used to encode CD-quality audio in a compressed format

Web browsers accept three different types of image files: ____.

____________________ is a method for sending voice and fax data using the IP protocol.

To reduce the required bandwidth,MPEG utilizes motion ____ that identify movement of blocks of pixels between frames.

The problems associated with networked video are worse for networked audio.

What is a CODEC and why is it important?

Match each item with a statement below. -None of the original image data is lost during compression

A(n)______________________________ customer purchases the VoIP product of their choice,and simply enables it to work on the ViaTalk network using the ViaTalk SIP credentials.

Discuss why VoIP service in the residential and business community is becoming more common.

____ specify a value between 0 (full transparency)and 255 (no transparency)to provide the transparency of a pixel in the PNG format.