Joseph Mauborgne proposed an improvement to the Vernam cipher that uses a random key that is as long as the message so that the key does not need to be repeated. The key is used to encrypt and decrypt a single message and then is discarded. Each new message requires a new key of the same length as the new message. This scheme is known as a(n) __________ .

A) pascaline
B) one-time pad
C) polycipher
D) enigma


B) one-time pad

Computer Science & Information Technology

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Why should you configure different admin passwords for all your routers and switches?

What will be an ideal response?

Computer Science & Information Technology

An optical device that reads a printed page and converts it into an image file that can be stored on a disk drive is called a:

A) printer B) fax modem C) scanner D) fax

Computer Science & Information Technology

By default, the frame rate is set to ____ frames per second.

A. 12 B. 24 C. 56 D. 256

Computer Science & Information Technology

The ____ category is the only category in the Page Properties dialog box available for either CSS or HTML.

a. Title/Encoding b. Tracing Image c. Appearance d. Links

Computer Science & Information Technology