Which of the following should a technician use to continue troubleshooting the issue?

Following a recent password change, a user can log on successfully to an Apple computer but cannot access a web-based service. An error message displays each time the user attempts lo authenticate to the service. Prior to changing the password, the computer had no communication issues.

Which of the following should a technician use to continue troubleshooting the issue?
A . passwd
B . FileVault
C . Keychain
D . Gatekeeper

Answer: C