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2021 Mar 300-075 exams

Q1. Refer to the exhibit. 

What should the destination IP address be configured as on the HQ and BR1 SIP trunks? 

A. The HQ SIP trunk destination IP address should be 10.1.6.10. The BR1 SIP trunk destination IP address should be 10.1.5.10. 

B. The destination IP address is not configurable. Each cluster will learn about the remote trunk IP address through SAF learned routes. 

C. The destination IP address will be learned automatically and configured on the SIP trunks after the Cisco Unified Communications Managers discover themselves. 

D. The HQ SIP trunk destination IP address should be the HQ SAF Forwarder IP address. The BR1 SIP trunk destination IP address should be the BR1 SAF Forwarder IP address. 

Answer: B 

Explanation: 

Incorrect Answer: A, C, D 

The gatekeeper changes the IP address of this remote device dynamically to reflect the IP address of the remote device. 

Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a08trnk.html 


Q2. What is the purpose of configuring a hardware-based MTP when deploying Cisco Unified Communications Manager? 

A. to allow for supplementary services such as hold, transfer, and conferencing 

B. when you need support for up to 24 MTP sessions on the same server and 48 on a separate server 

C. when you need the ability to grow support by using DSPs 

D. when you want to only use Cisco Unified Communications Manager resources 

Answer: C 


Q3. Enabling authentication and encryption for CTI, JTAPI, and TAPI applications requires which two tasks? (Choose two.) 

A. Enter the encryption key into the application. 

B. Set up an IPsec association between the application and Cisco Unified CallManager. 

C. Configure related security parameters in the CTI, JTAPI, and TAPI application. 

D. Add the application user or end users to the Standard CTI Secure Connection user group, Standard CTI Allow Reception of SRTP Key Material user group, and Standard CTI Enabled user group. 

Answer: C,D 

Explanation: 

Incorrect Answer: A, B You must also add the application users or the end users to the Standard CTI Secure Connection user group in Cisco Unified Communications Manager Administration to enable TLS for the application. After you add the user to this group and install the certificate, the application ensures that the user connects via the TLS port. Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/security/8_6_1/secugd/secucti.htm l#wp1166397 


Q4. When configuring a video ISDN gateway, which two actions are requirements for the Cisco Preferred Architecture for Enterprise Collaboration? (Choose two.) 

A. Use SIP instead of H.323. 

B. Perform dial string manipulation on Cisco Unified Communications Manager. 

C. Use an * (asterisk) at the end of each ISDN number, as a suffix. 

D. Use an ! (exclamation point) at the end of each ISDN number, as a suffix. 

E. Use H.323 instead of SIP. 

Answer: A,B 


Q5. When an external call is placed from Ajax, they would like the ANI that is sent to the PSTN to be the main number, not the extension. For domestic calls, they would like 10 digits sent; for international calls, they would like to send the country code 1 and the 10 digits. How can this be accomplished? 

A. Add a translation pattern to the dial peers in the gateway that adds the appropriate digits to the outgoing ANI. 

B. In the external call route patterns, set the external phone number mask to the main number. Use 10 digits in the domestic route pattern and 1 followed by the main number digits in the international route patterns. 

C. Use a calling party transform mask for each route group in the corresponding route list configuration. Set the explicit 10-digit main number for domestic calls and 1 followed by the main number for the international route patterns. 

D. In the directory number configurations, set the prefix digits field to the country code and the 10 digits of the main number. This will be truncated to the 10-digit number for domestic calls and sent out in its entirety for international calls. 

Answer: C 

Explanation: 

Incorrect Answer: A, B, D calling party transformation mask value is Valid entries for the NANP include the digits 0 through 9; the wildcard characters X, asterisk (*), and octothorpe (#); and the international escape character +. Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmcfg/b03trpat.ht ml 


Update 300-075 pdf exam:

Q6. Which two configurations provide the best SIP trunk redundancy with Cisco Unified Communications Manager? (Choose two.) 

A. Configure all SIP trunks with DNS SRV 

B. Configure all SIP trunks with Cisco Unified Border Element 

C. Configure all SIP trunks to point to a SIP gateway 

D. Configure SIP trunks to be members of route groups and route lists 

E. Configure all SIP trunks to allow TCP ports 5060 

F. Configure all SIP trunks to point to a gatekeeper through SIP to H.323 gateway 

Answer: A,D 

Explanation: 

Incorrect Answer: B, C, E, F For SIP trunks, Cisco Unified Communications Manager supports up to 16 IP addresses for each DNS SRV and up to 10 IP addresses for each DNS host name. The order of the IP addresses depends on the DNS response and may be identical in each DNS query. The OPTIONS request may go to a different set of remote destinations each time if a DNS SRV record (configured on the SIP trunk) resolves to more than 16 IP addresses, or if a host name (configured on the SIP trunk) resolves to more than 10 IP addresses. Thus, the status of a SIP trunk may change because of a change in the way a DNS query gets resolved, not because of any change in the status of any of the remote destinations. 

Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a08sip.html 


Q7. Which statement is not true about GARP? 

A. GARP attacks require access to the target LAN or VLAN. 

B. GARP can be used for a man-in-the-middle attack. 

C. GARP is normally used for HSRP. 

D. GARP can be disabled at Cisco IP phones. 

Answer: C 

Explanation: 

Incorrect Answer: A, B, D 

GARP (Gratuitous ARP) announce the presence of IP Phone on the network. 

Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/security/4_0_1/secuphne.html 


Q8. Which device is needed to integrate H.320 into the Cisco video solution? 

A. video gateway 

B. MGCP gateway 

C. H.323 gatekeeper 

D. MCU 

Answer: C 

Explanation: 

Incorrect Answer: A, B, D As with H.323 MCUs, H.320 gateways are provisioned in Cisco Unified CallManager as H.323 gateways, and then route patterns are configured to extend calls to these devices. 

Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/4x/42video.html#wp1046523 


Q9. Refer to the exhibit. 

The exhibit shows centralized Cisco Unified Communications Manager configuration components for TEHO calls to U.S. area code 408 from the U.K. The PSTN access code for the U.K. is 9 and 001 for international calls to the U.S. To match the US-TEHO pattern \+!, how should the translation pattern be configured? 

A. 9001.4085551234 with the Called Party Transformation:Discard Digits PreDotPrefix Digits Outgoing Calls: + 

B. 9.0014085551234 with the Called Party Transformation:Discard Digits PreDotPrefix Digits Outgoing Calls: +1 

C. 900.14085551234 with the Called Party Transformation:Discard Digits PreDotPrefix Digits Outgoing Calls: +1 

D. 900.14085551234 with the Called Party Transformation:Discard Digits PreDotPrefix Digits Outgoing Calls: + 

E. 001.4085551234 with the Called Party Transformation:Prefix Digits Outgoing Calls: + 

Answer: D 

Explanation: 

Incorrect Answer: A, B, C The PSTN access code for the UK is 9, International call code is 001, The international escape character, +, signifies the international access code in a complete E.164 number format Link: http://www.ciscosystems.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a03r p.html 


Q10. Which two statements about the functionality of a gatekeeper are true? (Choose two.) 

A. Cisco Unified Communications Manager has gatekeeper functionality built in. 

B. Cisco Unified Communications Manager registers with a gatekeeper via SIP. 

C. Cisco Unified Communications Manager registers with a gatekeeper via H.323. 

D. A gatekeeper can enable CAC and AAR. 

E. A gatekeeper can enable CAC, but not AAR. 

Answer: C,E