Which port type must be connected to the fax device for the Cisco Unified CallManager Express to support fax pass-through, T.38, and Cisco fax relay?（）
A. FXO
B. FXS
C. ATA
D. FAX
起动机工作时，辅助开关与起动机主电路的接通时刻应（）。
A. 主电路早些
B. 辅助开关早些或同时
C. 二者必须同时接通
In a shared server configuration， which two describe the actions that the listener can take to service a client request？（）
A. The listener hands the connection request directly to a dispatcher.
B. A dedicated server inherits the connection request from the listener.
C. The client connects to a dedicated server directly using a protocol address provided by the listener.
D. The application initiating the session spawns a dedicated server process for the connection request.
E. The listener issues a redirect message to the client, containing the protocol address of a dispatcher. The client then terminates the network session to the listener and establishes a network session to the dispatcher, using the network address provided in the redirect message.
Given： What is the result？（）
A. b 3
B. b 8
C. b 13
D. f 3
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