Exam 42: Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

What is the element of Cisco Collaboration infrastructure that allows Jabber clients outside of the network to register in Cisco Unified Communications Manager and use its resources?

Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?

Refer to the exhibit. Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?

What is a valid class included in the 8-Class QoS Strategy in a VoIP network?

A user forwards a corporate number to an international number. What are two methods to prevent this forwarded call? (Choose two.)

Which transport protocol does the application layer protocol SNMP use?

Which two configuration elements are part of the Cisco Unified Communications Manager toll-fraud prevention? (Choose two.)

When a new SIP phone is registered to Cisco Unified Communications Manager, it keeps failing and showing an "unprovisioned" error message in the phone display. Which problem is a possible cause of this issue?

Which two DNS records must be created to configure Service Discovery for or premises Jabber? (Choose two.)

End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?

Which SNMP service must be activated manually on the Cisco UCM after installation?

Refer to the exhibit. When a UC Administrator is troubleshooting DTMF negotiated by this SIP INVITE, which two messages should be examined next to further troubleshoot the issue? (Choose two.)

An engineer is configuring a BOT device for a Jabber user in Cisco Unified Communication Manager Which phone type must be selected?

Which call routing pattern is used for phone numbers that are in the E.164 format?

Which action enables Cisco MRA?

Which method is used to avoid toll fraud with Cisco Unified Communications Manager calls?

An engineer is configuring a Cisco Unified Border Element to allow the video endpoints to negotiate without the Cisco Unified Border Element interfering in the process. What should the engineer configure on the Cisco Unified Border Element to support this process?

Refer to the exhibit. Calls to Cisco Unity Connection are failing across Cisco Unified Border Element when callers try to select a menu prompt. Why is this happening and how is it fixed?

A collaboration engineer must configure Cisco Unified Border Element to support up to five concurrent outbound calls across an Ethernet link with a bandwidth of 160 kb to the Internet Telephony Service Provider. Which set of commands allows the engineer to complete the task without compromising voice quality?

After an engineer runs the utils ntp status command on the Cisco Unified Communications Manager publisher, the stratum value is 16. Which issue can the Cisco Unified CM cluster experience?