____ is an Internet tool that aids in retrieving domain name-specific information from the NSI Registrar database.?

A. ?WHOIS
B. ?Locate
C. ?DNS
D. ?Whereis


Answer: A

Computer Science & Information Technology

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The regular expression "[^0-9]+:\s\d{2,}" matches:

a. “123: Jones” b. “John 32145” c. “A7” d. “j: 16”

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In a binary tree class you usually have a pointer as a member that is set to the

a. leftmost child node b. first leaf node c. root of the tree d. deepest leaf node e. None of these

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A(n) ________ is a set of instructions, or a program, that executes a series of keystrokes

Fill in the blank(s) with correct word

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What field property forces data to follow certain rules of data entry?

A. Validation Rule B. Validation Text C. Format D. Required

Computer Science & Information Technology