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CompTIA Exam XK0-005 Topic 1 Question 58 Discussion

Actual exam question for CompTIA's XK0-005 exam
Question #: 58
Topic #: 1
[All XK0-005 Questions]

A systems engineer deploys a new application server, but the server cannot communicate with the back-end database hostname. The engineer confirms that the application server can ping the database server's IP address. Which of the following is the most likely cause of the issue?

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Suggested Answer: A

If the application server can ping the database server by its IP address but not by its hostname, it indicates a DNS resolution issue. The most likely cause is incorrect DNS server configuration. The engineer should verify the DNS settings in /etc/resolv.conf or the network configuration.


by Goldie at Aug 18, 2025, 02:30 PM

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Daren
5 days ago
Come on, guys! It's clearly the missing route configuration. The server can't find the way to the database.
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Bobbye
5 days ago
I'm not sure, but I think it could also be C) Missing route configuration. That could cause communication issues between the servers.
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Gary
9 days ago
I agree with Iraida. If the server can ping the IP address but not the hostname, it's probably a DNS issue.
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Lashawn
12 days ago
The issue is definitely a misconfigured subnet mask. That's the only logical explanation here.
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Iraida
1 months ago
I think the most likely cause is A) Incorrect DNS servers.
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