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问题:

[单选] How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?()

A . Traffic is switched from the first node receiving the AIS indication.
B . Traffic is switched from the far side of the failure, allowing handshaking to occur.
C . UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.
D . UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.

同期回路中,当两个同期电压的相位不满足要求时,要使用()以达到满足()的目的。 Your network has client computers that run Windows XP.   Users do not have administrative rights to their local computers.   You use Windows Server Update Services (WSUS) to manage software updates. You are planning to deploy Windows 7.   Your company uses a custom application that is not compatible with Windows?7.   You need to ensure that all users are able to run the custom application.    What are two possible ways to achieve this goal?() Deploy and register the compatibility-fix database file to the client computers by using a user startup script.。 Deploy and register the compatibility-fix database file to the client computers by using a computer startup script.。 Install and register a shim on the client computers by using Group Policy.。 Install and register a shim on the WSUS server.。 油润滑 Which two are features of IPCC Express Enhanced?() IVR Port Recording  。 HTTP Triggers  。 Supervisory Silent Monitoring  。 sending e-mails  。 Database Integration  。 keystroke macros&e。 When issuing the CROSSCHECK command in RMAN, if a backup file CANNOT be found, to what status is that file set?() DELETED。 OBSOLETE。 EXPIRED。 UNKNOWN。 How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?()
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