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400-051 Exam Questions - Online Test


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Q1. Which configuration parameter defines whether or not the user portion of a directory URI is case sensitive on Cisco Unified Communications Manager 9.1 or later? 

A. URI Dialing Display Preference in Cisco CallManager Service Parameter 

B. URI Lookup Policy in Cisco CallManager Service Parameter 

C. URI Dialing Display Preference in Enterprise Parameters 

D. URI Lookup Policy in Enterprise Parameters 

E. The user portion of a directory URI is always case sensitive and cannot be changed. 

Answer:

Q2. Which two statements describe the remote supervisory monitoring feature in Cisco Unified Contact Center Express? (Choose two.) 

A. It is supported on Cisco Unified CCX Enhanced and Premium editions. 

B. It does not require a Cisco Supervisor Desktop or any data network connectivity. 

C. Agents are aware that they are being silently monitored. 

D. Calls can be silently monitored from a PSTN phone. 

E. It supports G.711 and G.729 codecs. 

F. It works with SPAN port monitoring only. 

Answer: BD 

Q3. Refer to the exhibit. 

All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assume that the provided configurations exist at the phone line level and multicast MOH is disabled cluster wide. 

Which description of what will happen when the user of IP phone A presses the Hold soft key is true? 

A. IP phone B receives audio source 2 from MOH server A. 

B. IP phone B receives audio source 3 from MOH server A. 

C. IP phone B receives audio source 2 from MOH server B. 

D. IP phone B receives audio source 3 from MOH server B. 

E. IP phone B receives audio source 1 from MOH server A. 

Answer:

Q4. Refer to the exhibit. 

Which SIP trunk deployment model is shown in this enterprise VoIP topology? 

A. mixed TDM and VoIP 

B. centralized 

C. hybrid 

D. traditional TDM 

E. distributed 

Answer:

Q5. Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true? 

A. Both the UC on UCS TRC and the third-party servers spec-based support models have rule-based approaches. 

B. The UC on UCS TRC support model has a rule-based approach and the third-party servers spec-based support model has a configuration-based approach. 

C. The UC on UCS TRC support model requires a high level of virtualization experience while the third-party server spec-based support model requires a low to medium level virtualization experience. 

D. VMware vCenter is mandatory for the UC on UCS TRC support model but it is optional for the third-party server spec-based support model. 

E. VMware vCenter is optional for the UC on UCS TRC support model but it is mandatory for the third-party server spec-based support model. 

Answer:

Q6. 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 

Q7. 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:

Q8. Which statement describes DTMF processing on Cisco Unified Contact Center Express with supported SIP-based agent IP phones that are registered to Cisco Unified Communications Manager? 

A. Cisco Unified CCX receives the DTMF digits via SIP NOTIFY messages. 

B. Cisco Unified CCX receives the DTMF digits in the RTP payload based on RFC 2833. 

C. Cisco Unified CCX receives the DTMF digits via JTAPI messages. 

D. Cisco Unified CCX receives the DTMF digits via SIP INFO messages. 

E. Cisco Unified CCX receives the DTMF digits as part of the audio encoding in the RTP stream. 

Answer:

Q9. Which message is used by a Cisco Unified Communications Manager respond to periodic keepalives from a Cisco IOS MGCP gateway? 

A. AUEP 

B. RQNT 

C. NTFY 

D. 200 

E. AUCX 

Answer:

Q10. Refer to the exhibit. 

Which SIP response message should the TGW send if it cannot process the tunneled QSIG messages from the OGW? 

A. 405 Method Not Allowed 

B. 406 Not Acceptable 

C. 412 Conditional Request Failed 

D. 415 Unsupported Media Type 

E. 485 Ambiguous 

Answer: