400-051 Premium Bundle

400-051 Premium Bundle

CCIE Collaboration Certification Exam

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December 4, 2024Last update

Cisco 400-051 Free Practice Questions

Q1. Refer to the exhibit. 

Assuming that the administrator has never performed any manual custom uploads, which two file types can be found when you choose Software Upgrades, followed by TFTP File Management on the Cisco Unified Operating System Administration web page for Cisco Unified Communications Manager? (Choose two.) 

A. IP phone configuration files 

B. announcement audio files 

C. ringer files 

D. IP phone license files 

E. sample music-on-hold audio files 

F. softkey template files 

Answer: BC 

Q2. Which Cisco Unity Connection call handler greeting, when enabled, overrides all other greetings? 

A. holiday 

B. closed 

C. internal 

D. busy 

E. alternate 

Answer:

Q3. Which Cisco IM and Presence service is responsible for logging all IM traffic that passes through the IM and Presence server to an external database for IM compliance? 

A. Cisco Presence Engine 

B. Cisco Serviceability Reporter 

C. Cisco Sync Agent 

D. Cisco XCP Connection Manager 

E. Cisco XCP Message Archiver 

Answer:

Q4. Refer to the exhibit. 

How many simultaneous inbound calls can be handled by these two IP phones? 

A. 2 

B. 4 

C. 6 

D. 9 

E. 10 

Answer:

Q5. How many destinations can be configured for a SIP trunk on a Cisco Unified Communications Manager 9.1 system when the destination address is an SRV? 

A. 1 

B. 2 

C. 3 

D. 8 

E. 16 

Answer:

Q6. Refer to the exhibit. 

Assume that the serial interface link bandwidth is full T1. What is the maximum amount of bandwidth allowed for priority queuing of RTP packets with a DSCP value of EF? 

A. 33% of 1.544 Mb/s 

B. 5% of 1.544 Mb/s 

C. 38% of 1.544 Mb/s 

D. 62% of 1.544 Mb/s 

E. 0% of 1.544 Mb/s 

Answer:

Q7. What is the minimum number of TCP sessions needed to complete a H.323 call between two H.323 gateways using slow start? 

A. 0 

B. 1 

C. 2 

D. 3 

E. 4 

Answer:

Q8. What is the maximum length of any numeric geographic area address in ITU recommendation E.164? 

A. 15 

B. 18 

C. 21 

D. 22 

E. 25 

Answer:

Q9. Which option is a characteristic of the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager? 

A. It accounts for network protocol rerouting. 

B. It accounts for network downtime and failures. 

C. It supports dynamic bandwidth adjustments based on WAN topology changes. 

D. It supports asymmetric media flows such that different bit rates in each direction are deducted accordingly. 

E. Unidirectional media flows are deducted as if they were bidirectional. 

Answer:

Q10. Which SIP request method enables reliability of SIP 1xx response types? 

A. ACK 

B. PRACK 

C. OPTIONS 

D. CANCEL 

E. REGISTER 

Answer:

Q11. Refer to the exhibit. 

How many SIP signaling dialog(s) took place in this SIP message exchange between two SIP user agents? 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

F. 6 

Answer:

Q12. Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS MGCP gateway call quality issue at a customer site. Which statement about this message is true? 

A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager to poll the call statistics of an active call. 

B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager to poll the call statistics of a terminating call. 

C. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager during a call setup. 

D. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager about an active call. 

E. The MGCP gateway is responding to a DLCX message from Cisco Unified Communications Manager about a terminating call. 

Answer:

Q13. Which two statements about using the Load Server option for IP phone firmware distribution are true? (Choose two.) 

A. This option must be enabled on at least two servers in a Cisco Unified Communications Manager cluster. 

B. This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP. 

C. Phone firmware must be manually copied to any applicable load servers. 

D. The load server will not function if its IP address is not in the same subnet as the IP phones. 

E. This option is only available for newer IP phone models. 

F. This option does not accommodate falling back to Cisco TFTP on error. 

Answer: CF 

Q14. Which Call Admission Control mechanism is supported for the Cisco Extension Mobility Cross Cluster solution? 

A. Location CAC 

B. RSVP CAC 

C. H.323 gatekeeper 

D. intercluster Enhanced Location CAC 

E. visiting cluster's LBM hub 

Answer:

Q15. Refer to the exhibit. 

IP phone 1 has MAC address of 1111.1111.1111, and IP phone 2 has MAC address of 2222.2222.2222. The first two incoming calls were answered by IP phone 1, and the third incoming call was answered by IP phone 2. 

Which option describes what will happen to the fourth incoming call? 

A. Both phones ring, but only IP phone 2 can answer the call. 

B. Both phones ring and either phone can answer the call. 

C. Both phones ring, but only IP phone 1 can answer the call. 

D. Neither phone rings and the call is forwarded to 2100. 

E. Neither phone rings and the call is forwarded to 2200. 

Answer:

Q16. When IP phone A was provisioned in a Cisco Unified Communications Manager, 2001 was configured as the directory number for its first line. Also, bob@cisco.com was defined as the only directory URI on the Directory Number configuration page for this line. A few days later, an end user was created in the same Cisco Unified Communications Manager and was associated with the same phone with the primary extension set to 2001. Also, bobby@cisco.com was defined as a directory URI for that end user. 

Which option about the primary directory URI for IP phone A is true? 

A. bob@cisco.com 

B. bobby@cisco.com 

C. It depends on which radio button was selected next to the Directory URI entries on the Directory Configuration page. 

D. Both are primary directory URIs in a manner like a shared line for DNs. 

E. Neither are primary directory URIs for IP phone A. 

Answer:

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