Exam 14: Multimedia Networking

GIF is the best format for high-quality images.

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

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

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

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.

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

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

List the features of a JPG image.

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

Some of the original image information is thrown away during the lossy compression process.

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

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

When a GIF image is being displayed, any pixels whose color is the ____________________ color will cause the background to show through.

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

MPEG video compression is ____.

A Web page with one hundred images will require much longer to download and display if all the images are GIF instead of JPG.

Since each pixel in a GIF image can be one of 256 colors, ____ are needed to store the color for a pixel.

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

Animation in a GIF image is accomplished by storing all of the animation images in a single GIF image file, with appropriate time delays inserted between the display of each stored image, one after another.