Internet service providers use e-mail ____ techniques to verify that e-mail messages originate from the Internet domain from which they claim to have been sent.

A. firewall
B. authentication
C. concatenation
D. recovery


Answer: B

Computer Science & Information Technology

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In the accompanying figure, item 1 points to one of the five positive spaces.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

________ is an assortment of tools that can be used to complete tasks like managing system performance

Fill in the blank(s) with correct word

Computer Science & Information Technology

File________ enables the user to reduce the number of bits in a file, which allows for faster transmission of the file

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The design of a help desk work area should reduce distractions, noise, and interruptions to the extent possible.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology