Exam Code: 400-051 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CCIE Collaboration
Certification Provider: Cisco
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2021 Apr 400-051 simulations
Q41. Refer to the exhibit.
Which option describes the method used by Cisco IOS gateways to tunnel QSIG signaling messages in H.323 protocol?
A. H.323 Annex M1
B. H.323 Annex M2
C. H.323 Annex A
D. ISDN Generic Transparency Descriptor
E. H.450.1
Answer: D
Q42. Assume a 30-millisecond voice payload, 6 bytes for the Layer 2 header, 1 byte for the end-of-frame flag, and the IP, UDP, and RTP headers are compressed to 2 bytes, how much bandwidth should be allocated to the strict priority queue for eight VoIP calls that use a
G.729 codec over a multilink PPP link with cRTP enabled?
A. 121.6 kb/s
B. 92.8 kb/s
C. 88.4 kb/s
D. 83.2 kb/s
E. 78.4 kb/s
Answer: D
Q43. Refer to the exhibit.
Assuming this NFAS-enabled T1 PRI configuration on a Cisco IOS router is fully functional, what will the controller T1 1/1 D-channel status be in the output of the show isdn status command?
A. MULTIPLE_FRAME_ESTABLISHED
B. TEI_ASSIGNED
C. AWAITING_ESTABLISHMENT
D. STANDBY
E. INITIALIZED
Answer: B
Q44. How many RTP streams exist on the network when a Cisco Unified Contact Center Express agent is engaged in a call that is being silently monitored and recorded?
A. 3
B. 4
C. 5
D. 6
E. 8
Answer: D
Q45. Which Cisco Unified Contact Center Express core system software component communicates with Cisco Agent Desktop for agent state control and call control?
A. Unified CCX Engine
B. Database
C. Monitoring
D. Recording
E. RmCm
Answer: A
Refresh 400-051 exam prep:
Q46. Which two statements about the Cisco UC on UCS specs-based virtualization support model are true? (Choose two.)
A. It has a configuration-based approach.
B. It has a rule-based approach.
C. It has less hardware flexibility compared to the third-party server specs-based support model.
D. It has less hardware flexibility compared to the UC on UCS TRC support model.
E. VMware vCenter is optional with this support model.
Answer: BC
Q47. Refer to the exhibit.
A user is performing a series of dialing steps on a SCCP IP phone (extension 1001) to call another SCCP IP phone (extension 2003). Both phones are registered to the same Cisco Unified Communications Manager cluster.
Which user inputs are sent from the calling IP phone to the Cisco Unified Communications Manager, in the form of SCCP messages, after the user takes the phone off-hook?
(The commas in the options are logical separators, not part of the actual user input or SCCP messages.)
A. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 0, 3
B. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 0, 3
C. The IP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 2003 has been dialed.
D. The IP phone collects all keypad and soft key events until user inputs stops, then it sends a single SCCP message to report that 201<<03 has been dialed.
E. A separate SCCP message is sent to the Cisco Unified Communications Manager for each of these user inputs: 2, 0, 1, <<, 2, 0, 0, 3
Answer: B
Q48. 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: E
Q49. Company ABC is planning to migrate from MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers. Which statement about installation media support is true for this migration?
A. The install log can be written to a USB flash drive that is attached to the UCS server.
B. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from a USB flash drive to perform an unattended installation on the UCS server.
C. The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server.
D. The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from an FLP image that is mounted in a virtual floppy drive.
E. The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server.
Answer: D
Q50. 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 rang both phones and were answered by IP phone 2.
Which option describes what will happen to the third incoming call?
A. Both phones ring, but only IP phone 1 can answer the call.
B. Both phones ring and either phone can answer the call.
C. Only IP phone 1 rings and 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: C
