CompTIA
JK0-018 · Question #798
A security technician needs to open ports on a firewall to allow for domain name resolution. Which of the following ports should be opened? (Select TWO).
The correct answer is C. TCP 53 E. UDP 53. See the full explanation below for the reasoning.
Question
A security technician needs to open ports on a firewall to allow for domain name resolution. Which of the following ports should be opened? (Select TWO).
Options
- ATCP 21
- BTCP 23
- CTCP 53
- DUDP 23
- EUDP 53
How the community answered
(29 responses)- A10% (3)
- B3% (1)
- C83% (24)
- D3% (1)
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