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400-051 Exam Questions - Online Test


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Q1. The iLBC codec operates at 38 bytes per sample per 20-millisecond interval. What is its codec bit rate in kilobits per second? 

A. 6.3 

B. 13.3 

C. 15.2 

D. 16 

E. 24 

Answer:

Q2. When Cisco Unity Connection users attempt to connect using Web Inbox and receive a Site Is Unavailable error message, which service status should be verified? 

A. Tomcat 

B. Connection Exchange Notification Web Service 

C. Connection Voicemail Web Service 

D. Connection.Administration 

E. Secured Web Server 

Answer:

Q3. Which statement describes the question mark wildcard character in a SIP trigger that is configured on Cisco Unity Express? 

A. It matches any single digit in the range 0 through 9. 

B. It matches one or more digits in the range 0 through 9. 

C. It matches zero or more occurrences of the preceding digit or wildcard value. 

D. It matches one or more occurrences of the preceding digit or wildcard value. 

E. It matches any single digit in the range 0 through 9, when used within square brackets. 

Answer:

Q4. Refer to the exhibit. 

In this high-availability Cisco IM and Presence deployment with three subclusters, the first user is assigned to server 1A; the second user is assigned to server 2A; and the third user is assigned to server 3A. Assume that the Cisco IM and Presence is set to Active/Standby mode, to which server should the fourth user be assigned? 

A. 1A 

B. 3B 

C. 1B 

D. 2A 

E. 3A 

Answer:

Q5. How many music on hold servers are required in a trunk-only megacluster of Cisco Unified Communications Manager Session Management Edition? 

A. 0 

B. 1 

C. 2 

D. 3 

E. 4 

Answer:

Q6. 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:

Q7. 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:

Q8. Refer to the exhibit. 

In this high-availability Cisco IM and Presence deployment with three subclusters, the first user is assigned to server 1A; the second user is assigned to server 2A; and the third user is assigned to server 3A. Assume that Cisco IM and Presence is set to active-active mode. To which server will the fourth user be automatically assigned? 

A. 1A 

B. 3B 

C. 1B 

D. 2A 

E. 3A 

Answer:

Q9. Which protocol that is used between Cisco IM and Presence and Cisco Unified Communications Manager is responsible for the exchange of phone state presence information? 

A. AXL/SOAP 

B. CTI/QBE 

C. SIP/SIMPLE 

D. LDAP 

E. XMPP 

Answer:

Q10. Which design restriction applies to Cisco Unified Communications Manager Session Management Edition clustering over the WAN deployment with extended round-trip times in Cisco Unified CM 9.1 and later releases? 

A. SIP and H.323 intercluster trunks are supported. 

B. Only SIP trunk is supported. 

C. SIP trunks and H.323 gateways are supported. 

D. A minimum of 1.544 Mb/s bandwidth is required for all traffic between any two nodes in the cluster. 

E. Only RSVP agents can be configured and registered to the SME cluster as media resources. 

Answer: