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SK0-005 · Question #234

A technician recently applied a patch to a working server. After rebooting, the technician notices the server is unable to connect to a nearby database server. The technician validates a connection…

The correct answer is C. Check the firewall rules. A host firewall is a software that controls the incoming and outgoing network traffic on a server based on predefined rules and filters. It can block or allow certain ports, protocols, or addresses that are used for communication with other servers or devices. If a server is…

Troubleshooting

Question

A technician recently applied a patch to a working server. After rebooting, the technician notices the server is unable to connect to a nearby database server. The technician validates a connection can be made to the database from another host. Which of the following is the best NEXT step to restore connectivity?

Options

  • AEnable HIDS.
  • BChange the service account permissions.
  • CCheck the firewall rules.
  • DRoll back the applied patch.

How the community answered

(53 responses)
  • A
    6% (3)
  • B
    8% (4)
  • C
    72% (38)
  • D
    15% (8)

Explanation

A host firewall is a software that controls the incoming and outgoing network traffic on a server based on predefined rules and filters. It can block or allow certain ports, protocols, or addresses that are used for communication with other servers or devices. If a server is unable to connect to another server after applying a patch, it is possible that the patch changed or added a firewall rule that prevents the connection. The administrator should check the host firewall rule and modify it if necessary to restore connectivity.

Topics

#Troubleshooting#Firewall#Server Patching#Network Connectivity

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