Which of the Following Default Ports Needs to Be Open

question 466

Multiple Choice

Which of the following default ports needs to be open on a firewall for a DNS server to function?

• A) 23
• B) 53
• C) 68
• D) 80

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Definitions:

Content analysis

A research method used to systematically analyze the content of communication media through coding and identifying patterns or themes.

Systematic analysis

An organized method of examining and evaluating data or processes by breaking them into smaller parts to better understand the whole.

Existing documents

Previously produced materials (such as records, letters, or reports) used as data sources in qualitative research.

Baseball records

Historical performance statistics pertaining to baseball, including achievements of teams and individual players.