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300-075 Exam Questions - Online Test


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Q1. Refer to the exhibit. 

Locations-based CAC has been configured between HQ and the BR site. Assume that the priority queue has been provisioned correctly for three G.729 calls. What happens when 

the fourth call is placed from HO to BR? 

A. The call will get through via the WAN. But it will experience poor audio quality. 

B. The call will fail. 

C. The call will be queued until one of the existing calls drop. 

D. The call will get through without any issues. 

Answer:

Q2. Which solution is needed to enable presence and extension mobility to branch office phones during a WAN failure? 

A. SRST with MGCP fallback 

B. SRST without MGCP fallback 

C. Cisco Unified Communications Manager Express in SRST mode 

D. SRST with VoIP dial peers to Cisco Unified Communications Manager Express 

Answer:

Q3. Refer to the exhibit. 

The H.323 Gateway is showing status “unknown”. Which statement is true? 

A. The gateway must be reset in Cisco Unified Communications Manager. 

B. The no gateway command followed by the gateway command must be issued in Cisco IOS. 

C. The mgcp commands must be removed. 

D. H.323 gateways do not register with Cisco Unified Communications Manager H.323 gateways always show status "Unknown". 

E. VUAN 1 20 may be down and so the H.323 gateway appears offline to the Cisco Unified Communications Manager 

Answer:

Explanation: 

Incorrect Answer: A, B, C, E 

After a gateway is registered with Cisco Unified Communications Manager, gateway registration status may display in Cisco Unified Communications Manager Administration as unknown. 

Link: 

http://www.cisco.com/en/US/docs/voice_ip_comm/cucmbe/admin/8_6_1/ccmcfg/b06gtway. html 

Q4. Where do you specify the device mobility group and physical location after they have been configured? 

A. phones 

B. DMI 

C. device mobility CSS 

D. device pool 

E. MRGL 

F. locale 

Answer:

Explanation: 

Incorrect Answer: A, B, C, E Before you configure a device pool, you must configure the following items if you want to choose them for the device pool, Cisco Unified Communications Manager group (required), Date/time group (required). Region (required) , SRST reference (optional). Media resource group list (optional), Calling search space for auto-registration (optional). Reverted call focus priority (optional), Device mobility group (optional), Device mobility calling search space, Physical location (optional). Location, AAR group. AAR calling search space. Link: 

https://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmcfg/b02devpl.ht ml 

Q5. When using Cisco Unified Communications Manager Express in SRST mode, how many multicast music on hold streams can be utilized by the system at any given time? 

A. 3 

B. 6 

C. 2 

D. 4 

E. 1 

F. 5 

Answer:

Q6. Refer to the exhibit. 

All HQ phones are configured to use HQ_MRGL and all BR phones are configured to use BR_MRGL. For the HQ phones always to use the hardware conference bridge as a first choice, which configuration should be implemented? 

A. Ensure that both the hardware and software conference bridges are listed in the HQ_MRG. Ensure that the instance ID for the hardware conference bridge is 0. 

B. Ensure that both the hardware and software conference bridges are listed in the HQ_MRG. The hardware conference bridge must be configured first. 

C. Assign the hardware conference bridge to HQ_MRG. Configure a second HQ_MRG_2 and assign the software conference bridge to it. Add both the HQ_MRG and HQ_MRG_2 to the HQ_MRGL and list the HQ_MRG first. 

D. Assign the hardware conference bridge to HQ_MRG. Configure a second HQ_MRG_2 and assign the software conference bridge to it. Configure an additional HQ_MRGL_2. Add the HQ_MRG to HQ_MRGL. Add HQ_MRG_2 to HQ_MRGL_2. The HQ_MRGL should be assigned to the HQ phones. The HQ_MRGL_2 should be assigned to the HQ device pool. 

Answer:

Q7. Which action configures phones in site A to use G.711 to site B but to use G.729 to site C? 

A. Configure Cisco Unified Communications Manager regions. 

B. Configure Cisco Unified Communications Manager locations. 

C. Configure transcoder resources in Cisco Unified Communications Manager. 

D. Configure a gatekeeper. 

Answer:

Q8. You have been asked to deploy Cisco Extension Mobility Cross Cluster for a distributed call processing environment. During the initial extension mobility login request, how does the visiting cluster determine if the user is a local user or a remote user? 

A. by using a third-party automatic provisioning tool to verify user ID 

B. by broadcasting a request to all clusters to verify the user type 

C. from user IDs that are created by default when the user logs in 

D. by using Extension Mobility Cross Cluster Session Initiation Protocol (SIP) trunks 

E. by verifying against the local database 

F. by verifying the visiting Trivial File Transfer Protocol 

Answer:

Q9. Which three items must you configure to enable SAF Call Control Discovery? (Choose three.) 

A. the SIP or H.323 trunk 

B. hosted DN groups 

C. hosted DN patterns 

D. route patterns 

E. a calling search space 

F. translation patterns 

Answer: A,B,C 

Q10. Which three commands are necessary to override the default CoS to DSCP mapping on interface Fastethernet0/1? (Choose three.) 

A. mls qos map cos-dscp 0 10 18 26 34 46 48 56 

B. mls qos map dscp-cos 8 10 to 2 

C. mls qos 

D. interface Fastethernet0/1mls qos trust cos 

E. interface Fastethernet0/1mls qos cos 1 

F. interface Fastethernet0/2mls qos cos 1 

Answer: A,C,D