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Q21. Refer to the exhibit. 

The HQ site uses area code 650. The BR1 site uses area code 408. The long distance national code for PSTN dialing is 1. To make a long distance national call, an HQ or BR1 user dials access code 9, followed by 1, and then the 10-digit number. 

Both sites use MGCP gateways. AAR must use globalized call routing using a single route pattern. Assume that all outgoing PSTN numbers are localized at the egress gateway as shown in the exhibit. 

How many route lists and route groups should be configured for AAR at a minimum? 

A. a single route list with a local route group for each site 

B. two route lists and two route groups for each site 

C. a single route list and four route groups for each site 

D. None. The AAR CSS can point directly to the route pattern. 

Answer: A 


Q22. Which statement about technology implementation strategy is true? 

A. Cisco Unified Communications Manager Express can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. 

B. Cisco Unified Communications Manager Express in SRST mode can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. 

C. SRST can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. 

D. SRST and MGCP fallback can be configured to function with no Cisco Unified Communications Manager cluster in the enterprise. 

Answer: A 


Q23. In a Centralized Call processing architecture, you have deployed Extension Mobility (EM) feature. After the deployment of EM, when one of the end-users tries to login to the IP phone, the Error 25 is displayed on the screen. What three things should you do to resolve this issue? (Choose three.) 

A. upgrade the firmware of the IP Phone to the latest version 

B. activate EM feature service under Cisco Unified Serviceability 

C. associate EM Device profile with the end-user 

D. subscribe the MAC address of the IP Phone to EM Service 

E. update EM Phone Service URL to point to the publisher 

F. subscribe device profile to EM phone service in case the enterprise subscription of EM Service is disabled 

Answer: B,C,D 


Q24. Which statement about the function of a gatekeeper is true? 

A. A gatekeeper improves call routing between servers within a single Cisco Unified Communications Manager cluster. 

B. A gatekeeper can replace the dial plan of a Cisco Unified Communications Manager cluster. 

C. A gatekeeper can simplify the dial plan between many different Cisco Unified Communications Manager clusters. 

D. Gatekeepers can be implemented to deploy RSVP-based CAC. 

Answer: C 


Q25. Which option describes a function of SIP preconditions? 

A. SIP preconditions enable end-to-end RSVP over an SIP trunk. 

B. SIP preconditions enable RSVP between Cisco IP Phones. 

C. SIP preconditions can be enabled in a gatekeeper. 

D. SIP preconditions enable end-to-end RSVP for calls through the PSTN. 

Answer: A 


Q26. What is a prerequisite of AAR deployment? 

A. You must have a single distributed call processing deployment. 

B. Calls must be manually rerouted through the PSTN or other networks when Cisco Unified Communications Manager blocks a call due to insufficient location bandwidth. 

C. Calls must be automatically rerouted through the PSTN or other networks when Cisco Unified Communications Manager blocks a call due to insufficient location bandwidth. 

D. Clustering must be implemented over the WAN. 

E. You must have a centralized call processing deployment. 

Answer: E 


Q27. Scenario 

There are two call control systems in this item. The Cisco UCM is controlling the DX650, the Cisco Jabber for Windows Client, and the 9971 Video IP Phone. The Cisco VCS is controlling the SX20, the Cisco TelePresence MCU, and the Cisco Jabber TelePresence for Windows. 

Use the exhibits to answer the following questions. 

SX20 System Information 

DX650 Configuration 

MRGL 

DP 

Locations 

AARG 

CSS 

Movi Failure 

Movi Settings 

What two issues could be causing the Cisco Jabber Video for TelePresence failure shown in the exhibit? (Choose two.) 

A. Incorrect username and password 

B. Wrong SIP domain configured. 

C. User is not associated with the device. 

D. IP or DNS name resolution issue. 

E. CSF Device is not registered. 

F. IP Phone DN not associated with the user. 

Answer: B,D 


Q28. Which statement about enrollment in the IP telephony PKI is true? (Source. Understanding Cisco IP Telephony Authentication and Encryption Fundamentals) 

A. CAPF enrollment supports the use of authentication strings. 

B. The CAPF itself has to enroll with the Cisco CTL client. 

C. LSCs are issued by the Cisco CTL client or by the CAPF. 

D. MICs are issued by the CAPF itself or by an external CA. 

Answer: A 

Explanation: 

Incorrect Answer: B, C, D 

The CAPF enrollment process is as follows: 

1. The IP phone generates its public and private key pairs. 

2. The IP phone downloads the certicate of the CAPF and uses it to establish a TLS session with the CAPF. 

3. The IP phone enrolls with the CAPF, sending its identity, its public key, and an optional authentication string. 

4. The CAPF issues a certicate for the IP phone signed with its private key. 

5. The CAPF sends the signed certicate to the IP phone. 

Link: http://my.safaribooksonline.com/book/certification/cipt/9781587052613/understanding-cisco-ip-telephony-authentication-and-encryption-fundamentals/584. 


Q29. What command is used to map internal extensions to the corresponding E.164 PSTN number when using Cisco Unified Communications Manager Express in SRST mode? 

A. ephone-dn 

B. dialplan-pattern 

C. number 

D. number-e.164 

E. ephone-transnumber 

Answer: B 


Q30. Which two configurable options are available to enable Early Offer for calls over a Cisco Unified Communications Manager SIP trunk? (Choose two.) 

A. No Media Termination Point Required 

B. Media Termination Point Required 

C. Accept Audio Codec Preferences in Received Offer 

D. Early Offer support for voice and video calls Mandatory (insert MTP if needed) 

E. Use Trusted Relay Point 

Answer: B,D