Study tips 642-445

What is the process used to restore an entire cluster in the event of a catastrophic failure?

Which call distribution algorithm will allow each service counter representative to provide the best customer service?

which phone will ring?

Which two qualities of PKI key exchange overcome asymmetric cryptography scalability issues?

Which two Cisco Unified CallManager tasks are required to route calls from Cisco Unified CallManager to the PSTN via an H.323 gateway?

How does the Cisco Unified CallManager use RSVP?

What causes an IP phone to register with the SRST router when the IP WAN fails?

which devices are still using the device pool?

What is the purpose of using device pools?

Which configuration parameter may need to be adjusted when the Region setting is changed?