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2021 Dec 400-051 study guide:
Q41. Which two user portion format conditions are true for directory URI on Cisco Unified Communications Manager 9.1 or later? (Choose two.)
A. It supports the $ character.
B. It support space between characters.
C. It has a maximum length of 50 characters.
D. It has a maximum length of 254 characters.
E. It is always case-sensitive.
F. It cannot be a directory number.
Answer: AB
Q42. Which entity signs a Cisco IP phone LSC?
A. Godaddy.com Enrollment Server
B. Manufacturer Certificate Authority
C. Registration Authority
D. Certificate Authority Proxy Function
E. Cisco Certificate Authority
Answer: D
Q43. 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
Q44. What does a comma accomplish when it is used in a SIP Dial Rule pattern that is associated with a Cisco 9971 IP Phone that is registered to Cisco Unified Communications Manager?
A. It inserts a 500-millisecond pause between digits.
B. It causes the phone to generate a secondary dial tone.
C. It is a delimiter and has no significant dialing impact.
D. It indicates a timeout value of 5000 milliseconds.
E. It is an obsolete parameter and will be ignored.
Answer: B
Q45. In Cisco IOS routers, which chipset is the PVDM2-32 DSP hardware based on?
A. C5441
B. C549
C. C5510
D. C5421
E. Broadcom 1500
Answer: C
Abreast of the times 400-051 cisco:
Q46. A Cisco Unity Connection administrator receives a name change request from a voice-mail user, whose Cisco Unity Connection user account was imported from Cisco Unified Communications Manager. What should the administrator do to execute this change?
A. Change the user data in the Cisco Unity Connection administration page, then use the Synch User page in Cisco Unity Connection administration to push the change to Cisco Unified Communications Manager.
B. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unity Connection administration to pull the changes from Cisco Unified CM.
C. Change the user data in the Cisco Unified Communications Manager administration page, then use the Synch User page in Cisco Unified CM administration to push the change to Cisco Unity Connection.
D. Change the user profile from Imported to Local on Cisco Unity Connection Administration, then edit the data locally on Cisco Unity Connection.
E. Change the user data in Cisco Unity Connection and Cisco Unified Communications Manager separately.
Answer: B
Q47. 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: A
Q48. Which two security services are provided by the Phone Proxy function on a Cisco ASA appliance? (Choose two.)
A. It provides interworking to ensure that external IP phone traffic is encrypted, as long as the Cisco Unified Communications Manager cluster runs in secure mode.
B. It only applies to encrypted voice calls where both parties utilize encryption.
C. It manipulates the call signaling to ensure that all media is routed via the adaptive security appliance.
D. It supports encrypted TFTP operation of IP phone configuration files.
E. It intercepts and authenticates soft clients before they reach Cisco Unified Communications Manager clusters.
F. It requires a remote routing device with an IPsec VPN tunnel.
Answer: CE
Q49. What does a weight represent in the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager?
A. It defines the bandwidth that is available between locations.
B. It defines the bandwidth that is available on a link.
C. It is the amount of bandwidth allocation for different types of traffic.
D. It is used to provide the relative priority of a link between locations.
E. It is used to provide the relative priority of a location.
Answer: D
Q50. Which H.245 information is exchanged within H.225 messages in H.323 Fast Connect?
A. Terminal Capability Set
B. Open Logical Channel
C. Master-Slave Determination
D. Call Setup
E. Call Progress
Answer: B