When implementing a dial plan for multisite deployments, what must be present for SRST to work successfully?

Which ability does the Survivable Remote Site Telephony feature provide?

This is the configuration on the voice gateway:
telephony-service
max-ephones 30
max-dn 60 preference 0
srst mode auto-provision all

srst dn line-mode dual
srst dn template 3
srst ephone description srst fallback auto-provision phone
srst ephone template 5
Which ephone-dn would be expected upon activation of SRST?

Which option is a benefit of implementing CFUR?

Which command is needed to utilize local dial peers on an MGCP-controlled ISR during an SRST failover?

Which command can be used to manually send the MGCP gateway to register with the secondary Cisco Unified Communications Manager server?

A Cisco Unified Communications Manager cluster is installed in headquarters only.
How can international calls be blocked while national calls are allowed for branch office Cisco IP Phones during a WAN failure?

Which three commands are mandatory to implement SRST for five Cisco IP Phones? (Choose three.)

Refer to the exhibit.

Which configuration change is needed to enable NANP international dialing during MGCP fallback?

Which configuration command disables the secondary dial tone on the branch office ISR for users calling from the PSTN into the branch office during a WAN
failure?