You have a web application running on Oracle Cloud Infrastructure (OCI) that lets users log in with a username and password. You notice that an attacker has tried to use SQL comment ''--" to alter the database query, remove the password check and log in as a user. You decide to prevent any future attacks.
Which of the following OCI services or features would you choose to safeguard your application? (Choose the best answer.)
If you created an instance without an SSH key, you can use the serial console to boot into maintenance mode and add or reset the SSH key for the opc user or reset the password for the opc user. Alternately, you can stop the instance, attach the boot volume to a new instance, and configure SSH on the new instance.
https://docs.oracle.com/en-us/iaas/Content/Compute/Tasks/accessinginstance.htm
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