Which of the following protocols does DNS utilize on port 53?

A. TCP
B. FTP
C. RTP
D. ICMP

Ans: A. TCP

Computer Science & Information Technology

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A(n) __________ entity contains both data and procedures.

a. object b. instance c. event d. array

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What control is added to a form to enable printing of graphics?

(A) Printer (B) PrintPage (C) PrintDocument (D) PrintDialog

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The main method executes in the ________ thread of execution.

a. starting b. main c. local d. None of the above.

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A signal mask is a set of signals a process

A. is ignoring B. is blocking

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