CompTIA
JK0-019 · Question #648
A network technician has configured a new firewall to allow TCP port 80 traffic and deny UDP traffic. Users have reported that they are unable to access Internet websites. The technician verifies by…
The correct answer is D. UDP port 53 needs to be allowed. See the full explanation below for the reasoning.
Question
A network technician has configured a new firewall to allow TCP port 80 traffic and deny UDP traffic. Users have reported that they are unable to access Internet websites. The technician verifies by attempting to access a popular website. Which of the following will MOST likely correct the error?
Options
- AHTTP uses UDP
- BDNS port 23 needs to be allowed
- CHTTP needs port 443 allowed
- DUDP port 53 needs to be allowed
How the community answered
(29 responses)- A10% (3)
- B3% (1)
- C7% (2)
- D79% (23)
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