单选题An administrator receives a call from a user who is unable to receive email. After checking the workstation and email settings the administrator is still not able to determine the problem. Which of thefollowing is the NEXT step that the administrator should take？ （）A Create an action plan.B Escalate the issue.C Reboot the mail server.D Document the solution.
单选题
An administrator receives a call from a user who is unable to receive email. After checking the workstation and email settings the administrator is still not able to determine the problem. Which of thefollowing is the NEXT step that the administrator should take？ （）
A
Create an action plan.
B
Escalate the issue.
C
Reboot the mail server.
D
Document the solution.
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