Study tips 642-447

What is the recommended trunk type to use on the Cisco Unified CallManager clusters for full intersite calling capability?

What two types of calls can cause the Cisco Unified CallManagerto send an ARQ to a gatekeeper to determine if a call should be routed?

Which two conditions must be met for calls matching this outbound dial peer to be blocked?

what is the default power wattage that the Catalyst switch provides to an IP phone?

What is one difference between Cisco inline power and 802.3af PoE?

How should CAC be implemented?

Which two methods can be used to challenge the identity of an IP phone from a Cisco Unified CallManager server?

which settings should be set on a Cisco ip phone that is placed in a public Space like a lobby?

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

which situation would a device be allowed to use these devices?