Refer to the exhibit.

Refer to the exhibit. An engineer configures ISDN on a voice gateway. The provider confirms that the PRI is configured with 10 channels the engineer ordered and is working from the provider side, but the engineer cannot get a B-channel to carry voice. The rest of the configuration for the serial interface and voice network is functioning correctly. Which actions must be taken to carry voice?

An engineer must deploy the Cisco Webex app to a Windows Virtual Desktop Infrastructure environment by using these settings:
- Thin client plugin: Not installed
- Call service-enabled user: Media is not optimized
- Calls on Webex app: Media is not optimized
Which command-line argument must be run when running the installer?

An engineer is designing a load balancing solution for two Cisco Unified Border Element routers. The first router (cube1.abс.com) takes 60% of the calls and the second router (cube2.abc.com) takes 40% of the calls.
Assume all DNS A records have been created. Which two SRV records are needed for a load balanced solution? (Choose two.)

What is set when using CoS to mark an Ethernet frame?

An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter.
Which two areas does the engineer check to prevent jitter? (Choose two.)