A customer recently provisioned a new server on the IaaS. The IP address assigned from the pool resolves to another hostname. Some user traffic is being dumped or is causing slowness because of this issue. Which of the following maintenance activities does the provider need to perform to prevent this issue?

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C. Run a script to remove stale DNS entries. When an IaaS provider reclaims a server's IP and returns it to the pool, the old DNS A or PTR record is not automatically removed. Running a script to purge stale DNS entries ensures that when the IP is reassigned to a new server, it resolves to the correct hostname, eliminating traffic misrouting and slowness caused by the stale mapping.

Answer

A. Use cloud provider tools to remove orphaned resources. Orphaned resource removal addresses unused cloud objects such as unattached disks or idle instances, not DNS resolution mismatches.

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B. Initiate resource reclamation. Resource reclamation reclaims compute or storage capacity from idle or terminated resources and does not correct DNS records.

Answer

D. Update outdated security firewall configurations. Firewall configuration updates control traffic filtering and access rules and have no effect on how DNS resolves an IP address to a hostname.

A customer recently provisioned a new server on the IaaS. The IP address assigned from the pool resolves to another hostname. Some user traffic is being dumped or is causing slowness because of this…

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