What Port and Protocol Is Used by DNS

question 174

Multiple Choice

What port and protocol is used by DNS?

• A) 80/TCP
• B) 22/TCP
• C) 80/TCP and UDP
• D) 53/TCP and UDP

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Definitions:

Disjunctive Premise

A type of logical statement that presents two or more options in such a way that if one is true, the others must be false.

Negative Proposition

A statement or assertion that denies something, especially a predicate of a subject.

Disjunctive Syllogism

A form of logical argument where, from two alternatives, the denial of one implies the affirmation of the other.

Disjunctive Proposition

A logical statement that presents two or more alternatives, where the truth of any one of the alternatives makes the proposition true.