CompTIA
JK0-019 · Question #634
Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?
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
How the community answered
(35 responses)- A3% (1)
- B80% (28)
- C11% (4)
- D6% (2)
Community Discussion
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