A critical new security update has been released to fix an identified zero-day vulnerability with the SSH server process. Due to its severity, all development and staging servers must have this update applied immediately.
Which of the following is the FASTEST way for the administrator to apply the patch and ensure all systems are configured consistently?
A . Shut down all servers and use the server provisioning tools to deploy new ones that have the latest patch applied.
B . Create a master inventory list of servers that must be patched. Log in to each server and deploy the patch, making sure to check off each server on the list.
C . Use the existing tooling to clone the existing servers. Update each clone with the latest patch and shut down the original system.
D . Update the set of configuration management scripts to include the latest patch. Execute these scripts against a master inventory of servers.
Answer: D
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