400-051 Premium Bundle

400-051 Premium Bundle

CCIE Collaboration Certification Exam

4.5 
(24330 ratings)
0 QuestionsPractice Tests
0 PDFPrint version
December 4, 2024Last update

Cisco 400-051 Free Practice Questions

Q1. When DSP oversubscription occurs on a Cisco IOS router using DSP modules that are based on the C5510 chipset, what will happen when an analog phone connected to a FXS port goes off-hook? 

A. A fast busy tone will be played. 

B. A slow busy tone will be played. 

C. A network busy tone will be played. 

D. A dial tone will be played, but digits will not be processed. 

E. No tone will be played. 

Answer:

Q2. Which two SDP content headers can be found in a SIP INVITE message? (Choose two.) 

A. Expires 

B. Contact 

C. Connection Info 

D. Media Attributes 

E. Allow 

F. CSeq 

Answer: CD 

Q3. Which statement about Cisco EnergyWise domain member neighbor formation is true? 

A. Cisco EnergyWise supports static neighbors, but the neighbor relationship is only possible.if a noncontiguous domain member and a contiguous domain member have a static neighbor entry pointing to each other. 

B. Cisco EnergyWise static neighbors can be formed even if domain members are not physically contiguous. 

C. Static neighbors can be manually defined on Cisco EnergyWise domain members, but TCP protocols must be used. 

D. Static neighbors can be manually defined on Cisco EnergyWise domain members, but they have a lower priority compared to the autodiscovered members. 

E. Static neighbors can be manually defined on Cisco EnergyWise domain members and the TCP or UDP protocol can be used. 

Answer:

Q4. 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 

Q5. Refer to the exhibit. 

Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown? 

A. RFC 2833 

B. SIP INFO 

C. SIP NOTIFY 

D. SIP KPML 

E. In-band audio 

Answer:

Q6. Refer to the exhibit. 

Assume the B-ACD configuration on a Cisco IOS Cisco Unified Communications Manager Express router is operational. What will happen to a call in queue that was not answered by any member of the hunt group after the maximum amount of time allowed in the call queue expires? 

A. The call will be forwarded to extension 2120. 

B. The call will be forwarded to extension 2220. 

C. The call will be forwarded to extension 2003. 

D. The call will be disconnected with user busy. 

E. The call will be forwarded to 2100. 

Answer:

Q7. Which codec is supported on the Cisco PVDM2 DSP modules but not on the PVDM3 DSP modules? 

A. G.728 

B. G.729B 

C. G.729AB 

D. G.723 

E. G.726 

Answer:

Q8. What is the maximum number of call-processing subscribers in a standard deployment of a Cisco Unified Communications Manager Session Management Edition cluster? 

A. 3 

B. 4 

C. 5 

D. 8 

E. 16 

Answer:

Q9. Which configuration component in Cisco Unified Communications Manager Enhanced Location Call Admission Control is designated to participate directly in intercluster replication of location, links, and bandwidth allocation data? 

A. an active member of a Location Bandwidth Manager Group 

B. a member of a Location Bandwidth Manager Hub Group 

C. a standby member of a Location Bandwidth Manager Group 

D. all members of a Location Bandwidth Manager Group 

E. a shadow member of a Location Bandwidth Manager Hub Group 

Answer:

Q10. Refer to the exhibit. 

During a QSIG tunneling over SIP call establishment, which two types of SIP messages can the OGW use to tunnel a waiting QSIG message? (Choose two.) 

A. SIP re-INVITE 

B. SIP NOTIFY 

C. SIP INFO 

D. SIP OPTIONS 

E. SIP UPDATE 

F. SIP REFER 

Answer: AE 

Q11. What is the maximum number of Cisco Unified Communications Manager subscriber pairs in a megacluster deployment? 

A. 4 

B. 8 

C. 12 

D. 16 

E. 32 

Answer:

Q12. 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 

Q13. Which statement describes the external database requirement for the Cisco IM and Presence permanent group chat feature? 

A. All nodes in a Cisco IM and Presence cluster can share a physical external database. 

B. All nodes in a Cisco IM and Presence cluster can share a logical external database. 

C. Each node in a Cisco IM and Presence cluster must have its own physical external database. 

D. Each node in a Cisco IM and Presence cluster must have its own logical external database. 

E. An external database is not mandatory. 

Answer:

Q14. Which statement about a virtual SNR DN-configured Cisco Unified Communications Manager Express-enabled Cisco IOS router is true? 

A. Virtual SNR DN supports either SCCP or SIP IP phone DNs. 

B. A virtual SNR DN is a DN that is associated with multiple registered IP phones. 

C. Calls in progress can be pulled back from the phone that is associated with the virtual SNR DN. 

D. The SNR feature can only be invoked if the virtual SNR DN is associated with at least one registered IP phone. 

E. A call that arrived before a virtual SNR DN is associated with a registered phone, and still exists after association is made, but cannot be answered from the phone. 

Answer:

Q15. Refer to the exhibit. 

From this NFAS-enabled T1 PRI configuration on a Cisco IOS router, how many bearer channels are available to carry voice traffic? 

A. 91 

B. 92 

C. 93 

D. 94 

E. 95 

Answer:

Q16. A queued call has reached the maximum wait time configured for a Cisco Unified Communications Manager native call queue. 

Which statement about what happens to this queued call is true? 

A. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page. 

B. Calls are handled according to the When Maximum Wait Time Is Met settings on the Hunt Pilot Configuration page. 

C. Calls are handled according to the When Maximum Wait Time Is Met settings in Cisco Unified Communications Manager Service Parameters. 

D. Calls are handled according to the Not Available Hunt Option settings on the Line Group Configuration page. 

E. Calls are handled according to the When Queue Is Full settings on the Hunt Pilot Configuration page. 

Answer:

START 400-051 EXAM