Crucial Exams

CompTIA Server+ SK0-005 Practice Question

A development team reports that their application cannot write data to a new MySQL database. From the same RHEL application host you run:

$ telnet 10.1.5.15 3306
Trying 10.1.5.15...
Connected to 10.1.5.15.
Escape character is '^]'.

The screen then remains blank until you press Ctrl+] and type quit. ping 10.1.5.15 also succeeds. Based on this observation, what should you troubleshoot next?

  • The TCP path and port 3306 are reachable; focus on MySQL authentication or application-layer configuration.

  • DNS records for the database are missing; add an A record for db01.example.com.

  • A stateful firewall between the hosts is silently dropping packets; request a rule to allow port 3306.

  • The MySQL server is powered off; verify power and boot status of 10.1.5.15.

CompTIA Server+ SK0-005
Troubleshooting
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