An administrator enables DNS filtering on the firewall to block users from visiting malicious websites. Which of the following should the administrator also do? (Choose two.)
- ADisable DoH in usersβ internet browsers. (correct answer)
- BUpdate NS record to point to DNS filter servers.
- CBlock port 443 to the malicious websites.
- DBlock port 53 to servers on the internet. (correct answer)
- EDisable TLS v1.3 in usersβ internet browsers.
- FImplement DNSSEC for corporate records.
Reveal answer & explanationHide answer
The correct answer is A, D. Option A: Disable DoH in usersβ internet browsers. Option D: Block port 53 to servers on the internet.


