An administrator needs to configure a server to restrict mail traffic to an application server for security reasons. Which of the following techniques can be used to manage this?()
A. PAT B. ACLs C. Subnet masking D. Port blocking
A. WMI B. RIS C. DNS D. SNMP E. SMTP
A.Reboot the server and restore files using ASR. B.In Device Manager, locate the device, and click Roll Back Driver at the driver tab. C.Restore the driver from the previous backup tape. D.Go to Device Manager, locate the device, and click Restore Previous Driver at the driver tab.