A remote office has a less-than-optimal WAN connection and experiences packet loss, delay, and jitter. Which VoIP codec should be used in this situation?

A. G.711ulaw

B. iLBC

C. G.722.1

D. G.729A

Which option must be used when configuring the Local Gateway for a Cisco Webex Calling trunk?

A. local authentication

B. certificate-based

C. mutual TLS

D. Auth-based

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. Cisco Unified Border Element is not sending any support for DTMF. DTMF configuration must be added to the appropriate dial peer.

B. The Cisco Unity Connection Call Handler is configured for a -Release to Switch" transfer type. Transfers must be disabled for the Cisco Unity Connection Call Handler.

C. Cisco Unity Connection is configured on G.729 only. Cisco Unity Connection must be reconfigured to support iLBC.

D. Cisco Unified Border Element is sending the incorrect media IP address. The IP address of the loopback interface must be advertised in the SDP.

Which external DNS SRV record must be present for Mobile and Remote Access?

A. _cisco-uds._tcp.example.com

B. _collab-edge._tls.example.com

C. _collab-edge._tcp.example.com

D. _cisco-uds._tls example.com

Refer to the exhibit.

An engineer must implement toll fraud prevention on a Cisco UCM cluster by allowing only the indicated IP address and protocols through Cisco Unified Border Element. What must be configured?

A. Option A

B. Option B

C. Option C

D. Option D

An organization is deploying a Cisco Unified Border Element for Webex calling. The engineer's voice gateway is a Cisco CSR1000v on version 17.x.x. How must the engineer configure G. 729 codec to be the first priority for all calls, followed by G. 711ulaw and G. 711alaw?

A. Option A

B. Option B

C. Option C

D. Option D

What is used to create a QoS solution that delivers priority to voice and video traffic across a network?

A. CBWFQ

B. traffic shaping

C. DiffServ

D. traffic policing

By default, IP phones upgrade their images using the HTTP Service from the TFTP Server integrated into one or more of the call processing platforms. Which Port / Transport Protocol does this service use?

A. 6970 / UDP

B. 443 / TCP

C. 6970 / TCP

D. 8080 / TCP

The engineer must ensure that the new SIP phones always try to set up Early Offer calls and display Fully Qualified Domain Names in SIP URIs called or received. Where are these options configured?

A. Phone Device settings. Protocol Specific Information section

B. SIP Security Profile settings

C. Phone Device settings. Model Specific Information section

D. SIP Profile settings

What is a capability of configuring the Incoming call permissions in a Cisco Webex dial plan?

A. to allow chargeable directory assistance calls

B. to disable operator assistance calls

C. to allow users to receive collect calls

D. to stop users from making collect calls