2.3 Troubleshoot Endpoint Registration 350-801 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which step occurs first when a Cisco IP phone attempts to register with Cisco Unified Communications Manager (CUCM)?

   • AThe phone sends a DNS query for the CUCM SRV record.
   • BThe phone sends a SIP REGISTER message to the CUCM publisher.
   • CThe phone obtains its IP address and TFTP server address via DHCP.
   • DThe phone downloads its configuration file from the TFTP server.
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   A Cisco IP phone is failing to register. The administrator suspects an authentication issue. Which security setting could be blocking the phone's registration?

   • AMAC address filtering
   • BVLAN assignment
   • CDHCP option 150
   • D802.1X authentication
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   A user reports that their Cisco IP phone shows 'Registration Rejected'. What does this symptom most likely indicate?

   • AThe call control system denied the phone's registration request.
   • BThe phone's firmware is outdated.
   • CThe phone has a faulty network cable.
   • DThe phone cannot reach the TFTP server.
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A Cisco 8865 phone fails to register. The phone displays 'Configuring IP' and then 'TFTP Error'. You verify that the phone can ping the TFTP server's IP address. The TFTP server is configured to require secure provisioning (HTTPS). What is the most likely cause of the TFTP error?

   • AThe phone's firmware is incompatible with the TFTP server.
   • BThe phone's device pool is configured with the wrong region.
   • CThe phone's digest credentials are incorrect.
   • DThe phone is attempting to use TFTP instead of HTTPS for provisioning.
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   A Cisco 8841 phone registers successfully but cannot receive calls. The phone's line is associated with a directory number that is in a partition. The phone's calling search space does not include that partition. What is the most likely cause?

   • AThe phone cannot receive calls because its calling search space does not include the partition of its own directory number.
   • BThe phone's device pool is configured with the wrong region.
   • CThe phone's line is not associated with the correct device.
   • DThe phone's firmware is incompatible with the CUCM version.
   Reveal Solution Discussion Select an answer first