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單項選擇題

Kerberos is a form of user authentication that:（）

A. Provides users access to network resources.
B. Performs router commands after user authentication.
C. Provides users with remote access only capabilities.
D. Does not require an authentication server

單項選擇題

Users are reporting that they are still experiencing network issues even though a fix was recentlyapplied. Which of the following troubleshooting methodology steps is the administrator using?（）

A. Escalating the problem
B. Testing the solution and identifying the effects
C. Continuing to gather information about the same symptoms
D. Documenting the solution and the entire process