400-051 Exam Questions - Online Test


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Q11. 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:


Q12. 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:


Q13. Assume 20 bytes of 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 six VoIP calls that use a G.729 codec over a multilink PPP link with cRTP enabled? 

A. 80.4 kb/s 

B. 91.2 kb/s 

C. 78.4 kb/s 

D. 69.6 kb/s 

E. 62.4 kb/s 

Answer:


Q14. Which statement about what happens to a hunt member who does not answer queuing-enabled hunt-list call in Cisco Unified Communications Manager 9.1 is true? 

A. The hunt member is logged off automatically and must press HLOG to log back in. 

B. The hunt member remains logged in if Automatically Logout Hunt Member on No Answer is not selected in Cisco Unified Communications Manager Service Parameters. 

C. The hunt member is logged off automatically and must manually reset the phone to log back in. 

D. The hunt member is logged off if Automatically Logout Hunt Member on No Answer is selected on the Line Group configuration page. 

E. The hunt member remains logged in if Automatically Logout Hunt Member on No Answer is not selected in Hunt Pilot configuration page. 

Answer:


Q15. Which three Cisco Unity Connection call handler greetings can be overridden by the internal greeting? (Choose three.) 

A. holiday 

B. alternate 

C. error 

D. busy 

E. closed 

F. standard 

Answer: AEF 


Q16. To which Cisco enterprise medianet application class does Cisco TelePresence belong? 

A. VoIP Telephony 

B. Real-time Interactive 

C. Multimedia Conferencing 

D. Broadcast Video 

E. Low Latency Data 

Answer:


Q17. 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:


Q18. Refer to the exhibit. 

A user is going through a series of dialing steps on a SIP Type B IP phone (for example, a Cisco 7975) to call an SCCP IP phone. Both phones are registered to the same Cisco Unified Communications Manager cluster. Assuming the calling SIP phone is associated with a SIP Dial Rule with a pattern value of 2001, which statement about the call setup process of this call is true? 

A. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event, and Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones. 

B. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event. When.the collected digits match the extension of the SCCP IP phone, Cisco Unified Communications Manager will extend the call only if the class of service configuration on both phones permits this action. 

C. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones. 

D. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call only if class of service configuration on both phones permits this action. 

E. The SIP IP phone will wait for the interdigit timer to expire, and then send all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones. 

Answer:


Q19. How are DTMF digits transported in RFC 2833? 

A. In the RTP stream with the named telephone events payload format. 

B. In the RTP stream with the regular audio payload format. 

C. In SIP NOTIFY messages. 

D. In SIP INFO messages. 

E. In SIP SUBSCRIBE messages. 

Answer:


Q20. 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: