Identify the letter of the choice that best matches the phrase or definition.

A. A data file that stores a user's Outlook items.
B. Delivers Internet access to a geographic location.
C. A file sent along with an e-mail message.
D. Routes an e-mail message and identifies the purpose or contents of the message.
E. Informs the recipient or summarizes or requests information.
F. Communications protocol used by many outgoing e-mail servers.
G. Communications protocol used to retrieve incoming e-mail messages.
H. Lists the contents of a selected folder.
I. An additional copy of a file or message.
J. Unsolicited e-mail messages.


A. personal folders file
B. ISP
C. attachment
D. message header
E. message text
F. SMTP
G. POP3
H. message pane
I. backup
J. spam

Computer Science & Information Technology

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The binary search algorithm in the text makes recursive calls on subarrays of the array passed to the algorithm. The range passed to the search function is first to last. The search algorithm makes recursive calls on the left or right subarray that target will be in, if the target is present. What are the left and right ends of the right subarray?

a) Last , mid – 1 b) last , mid + 1 c) mid – 1, last d) mid + 1, last e) last, mid

Computer Science & Information Technology

What is the relationship between a primary key and its corresponding foreign keys?

a. One-to-one. b. Many-to-one. c. Many-to-many. d. One-to-many.

Computer Science & Information Technology

The NAU in SNA that is responsible for managing and monitoring a single node’s resources is the

a. LU b. SSCP c. PU d. SDLC

Computer Science & Information Technology

Modems enable computers to talk to each other via standard commercial ______________ lines by converting analog signals to digital signals, and vice versa.

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

Computer Science & Information Technology