CompTIA
JK0-019 · Question #634
JK0-019 Question #634: Real Exam Question with Answer & Explanation
The correct answer is B. 53. See the full explanation below for the reasoning.
Question
Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?
Options
- A20
- B53
- C80
- D3389
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