CompTIA Exam SK0-005 Topic 1 Question 45 Discussion

Actual exam question for CompTIA's SK0-005 exam

Question #: 45
Topic #: 1

A server administrator deployed a new product that uses a non-standard port for web access on port 8443. However, users are unable to access the new

application. The server administrator checks firewall rules and determines 8443 is allowed. Which of the following is most likely the cause of the issue?

AIntrusion detection is blocking the port.

BThe new application's DNS entry is incorrect.

CThe application should be changed to use port 443.

DThe core switch has a network issue.

Show Suggested Answer

Suggested Answer: B

A DNS entry is a record that maps a domain name to an IP address. If the DNS entry for the new application is incorrect, users will not be able to resolve the domain name to the correct IP address and port number. This will prevent them from accessing the application, even if the firewall rules allow port 8443. To fix this issue, the server administrator should verify and update the DNS entry for the new application.

by Xochitl at Dec 26, 2023, 05:22 AM

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Isadora

8 months ago

Haha, yeah, the IDS could definitely be the troublemaker here. Those security systems can be real party poopers sometimes. But I'm with you all on the DNS entry being the most likely culprit. That's usually where these kinds of access problems start.

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8 months ago

Hmm, this is a tricky one. I'm leaning towards B - the DNS entry being incorrect. If the firewall is allowing port 8443, then it shouldn't be a network issue. And using port 443 would be too obvious, so I doubt it's C.

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