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What best describes an FXO interface?()

A、analog trunks that provide the Survivable Remote Site Telephony (SRST) feature 

B、analog trunks that provide VoIP gateway functionality 

C、analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems  

D、analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)

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第5题

A、The best option is to run the Test-OwaConnectivity cmdlet in the Exchange Management Shell.  B、The best option is to view the session state settings for the Outlook Web Access virtual directory in the Internet Information Services (IIS) Manager.  C、The best option is to run a baseline scan in the Exchange Best Practices Analyzer.  D、The best option is to check the properties of the default Outlook Web App mailbox policy in the Exchange Management Console (EMC).  

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