A Cisco 8865 phone fails to register. The phone displays 'Registering' and then 'No Service'. The phone can ping the CUCM server's IP address, but the CUCM server is configured with a hostname that resolves to a different IP address. The phone is configured to use the hostname for registration. What is the most likely cause?

The phone is registering with the wrong IP address because the DNS resolution is incorrect.

The phone's digest credentials are incorrect.

The phone's firmware is incompatible with the CUCM version.

The phone's device pool is configured with the wrong region.

A remote site's Cisco phones fail to register. The phones receive IP addresses and can ping the CUCM server's IP address. The phones are configured to use DNS for TFTP discovery. You check the DNS server and find that the A record for the TFTP server is correct, but the SRV record for _cisco-phone._tcp is missing. What is the likely result?

The phones will use DHCP option 150 to find the TFTP server.

The phones will use the A record to find the TFTP server and register successfully.

The phones will fail to locate the TFTP server and will not obtain a configuration file.

The phones will register using the CUCM server's IP address directly.

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Domain 2Objective 3

2.3 Troubleshoot Endpoint Registration 350-801 Practice Questions (Page 6)

Part of the Protocols and Endpoints domain, which accounts for 10% of the 350-801 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~5–8 in this domain), expect 2–3 from this objective — we provide 31 practice questions to prepare you well beyond it. (estimate)

31questions here

7free pages

9concepts

10%of the exam

Questions 26–30

26expert · hard
A Cisco 8865 phone fails to register. The phone displays 'Registering' and then 'No Service'. The phone can ping the CUCM server's IP address, but the CUCM server is configured with a hostname that resolves to a different IP address. The phone is configured to use the hostname for registration. What is the most likely cause?
Select an answer first
27foundation · easy
A Cisco IP phone is failing to register. The phone displays 'Config File Not Found'. Which provisioning protocol is most likely failing?
Select an answer first
28foundation · easy
Which DNS record type is used by a Cisco IP phone to discover the TFTP server during registration?
Select an answer first
29application · medium
A remote site's Cisco phones fail to register. The phones receive IP addresses and can ping the CUCM server's IP address. The phones are configured to use DNS for TFTP discovery. You check the DNS server and find that the A record for the TFTP server is correct, but the SRV record for _cisco-phone._tcp is missing. What is the likely result?
Select an answer first
30foundation · easy
A Cisco IP phone is failing to register. The administrator suspects a CUCM configuration issue. Which CUCM configuration element defines the set of settings that the phone uses, such as region and date/time group?
Select an answer first

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2.3 Troubleshoot Endpoint Registration 350-801 Practice Questions (Page 6)

Questions 26–30

A Cisco IP phone is failing to register. The phone displays 'Config File Not Found'. Which provisioning protocol is most likely failing?

Which DNS record type is used by a Cisco IP phone to discover the TFTP server during registration?

A Cisco IP phone is failing to register. The administrator suspects a CUCM configuration issue. Which CUCM configuration element defines the set of settings that the phone uses, such as region and date/time group?

Keep studying — Protocols and Endpoints