A company installs a new mail server. Which of the following DNS records need to be configured to allow the organization to receive email?
A. CNAME
B. MX
C. PTR
D. A
Answer: B
The administrator modifies a rule on the firewall, and now all the FTP users cannot access the server any longer. The manager calls the administrator and asks what caused the extreme downtime for the server. In regards to the manager's inquiry, which of the following did the administrator forget to do FIRST?
A. Submit a change request
B. Schedule a maintenance window
C. Provide notification of change to users
D. Document the changes
Answer: A
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