642-447 cipt1 exam is a required one for CCNP Voice certification. ccnp 642-447 cipt1 self study guide is available for the candidates to clear the test. Besides, 642-437 CVOICE, 642-457 CIPT2, 642-427 TVOICE and 642-467 CAPPS are also required exams for CCNP Voice certification.
The CCNP Voice focuses on Cisco Unified Communications Manager (formerly Unified CallManager), quality of service (QoS), gateways, gatekeepers, IP phones, voice applications, and utilities on Cisco routers and Cisco Catalyst switches.
Share ccnp 642-447 cipt1 self study guide below.
If an IP phone loses connectivity with its primary server and registers with its backup server, what happens when connectivity to the primary server is restored?
A. The IP phone will try to re-establish a connection to the primary server every 90 seconds.
B. The IP phone will continuously try to re-establish a connection with the primary server; if successful, the IP phone will re-register with the primary.
C. Once the IP phone registers with the backup server, the administrator will need to reset the IP phone for it to re-register with the primary server.
D. Once connectivity is re-established with the primary server, the IP phone will wait until there have been three successful TCP keepalive exchanges before it will re-register with the primary server.