CompTIA
JK0-019 · Question #724
An administrator needs to open ports in the firewall for both DNS and eDNS. Which of the following default ports would need to be opened on the firewall? (Select TWO).
The correct answer is B. TCP 53 E. UDP 53. See the full explanation below for the reasoning.
Question
An administrator needs to open ports in the firewall for both DNS and eDNS. Which of the following default ports would need to be opened on the firewall? (Select TWO).
Options
- ATCP 23
- BTCP 53
- CTCP 123
- DUDP 23
- EUDP 53
- FUDP 123
How the community answered
(32 responses)- A3% (1)
- B72% (23)
- C3% (1)
- D16% (5)
- F6% (2)
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