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2021 Mar 300-070 practice exam

Q71. Which parameter is required on MCU for ad hoc conferencing? 

A. Media Port reservation 

B. incoming calls to unknown conferences or auto-attendants 

C. DSP reservation for video 

D. MCU type 

E. MCU Conference Bridge SIP Port 


Q72. How are Cisco Unified CallManager location parameters used? 

A. Assign directory numbers to devices as they connect to the IP telephony network. 

B. Specify the bandwidth used for audio and video calls. 

C. Implement call admission control in a centralized call processing deployment. 

D. Provide alternate call routing when the primary call path is unavailable. 


Q73. In a centralized call-processing solution, there are five sites connected through an IP WAN. To optimizethe utilization of the IP WAN, CAC needs to be implemented. 

How should CAC be implemented? 

A. Use a gatekeeper to control allocated bandwidth properly. 

B. Use locations CAC with a single location. 

C. Use a gatekeeper and Cisco Unified Border Element to provide CAC to sites that use a combination of SIPand MGCP gateways. 

D. Use a gatekeeper to only control those locations that use H.323 gateways and a Cisco Unified BorderElement to control those sites that use MGCP or SIP gateways. 

E. Use locations CAC with five locations in addition to Hub none. 


Q74. Which option describes how you add software conference bridges to Cisco Unified CommunicationsManager? 

A. By adding a Cisco Unified CM server to the cluster. 

B. By adding a software conference bridge using Conference Bridge Configuration. 

C. By installing DSP to a Cisco Unified CM server. 

D. By reassigning other media resources to conference resources. 


Refresh 300-070 test:

Q75. Which three Cisco Unified CallManager configuration steps are required to support third party SIPphones? (Choose three.) 

A. Configure the device in Cisco Unified CallManager. 

B. Change the proxy address in the SIP phone to an IP address or the Fully Qualified Domain Name (FQDN)of Cisco Unified CallManager. 

C. Associate the device with the end user. 

D. Configure the phone with the TLS username and password. 

E. Configure the end user in Cisco Unified CallManager. 

F. Add the MAC address of the Cisco Unified CallManager server to the SIP phone configuration page. 

Answer: A,C,E 

Q76. Refer to the exhibit and configuration output. 

A user in New York (5001) is trying to call a user in London (6001), but the call cannot be completed. Assuming that the WAN uplink is failing and the voice traffic has to go out toward the PSTN, which command do you need to add to dial peer to solve this issue? 

dial-peer voice 3 pots 

destination-pattern 6… 

preference 1 

port 0/0/0:23 

dtmf-relay sip-notify 

A. num-exp 512602 6001 

B. prefix 757385 

C. forward-digits 2 

D. forward-digits 4 

E. prefix 5126 


Q77. What are four features of Cisco Unified Border Element? (Choose four). 

A. Protocol Interworking. 

B. Bandwidth Control. 

C. Admission Request. 

D. Automated Alternate Routing. 

E. Address Hiding. 

F. Security. 

G. Video Integration. 

Answer: A,F,G 

Explanation: Reference: 

Page 248 


Q78. Which DSCP classification is defined in RFC 2474? 


B. DSCP 0. 

C. DSCP AF11. 





H. DSCP AF21. 


Explanation: Reference: 

Page 24