Refer to the exhibit.

The help desk informs you that some users cannot receive multicast video. Upon troubleshooting,
you determine that the users who are unable to receive the multicast video are all connected at 9
Mbps. Users that are connected at a data rate of 12 Mbps or higher are able to receive the
multicast video. Which data rate can you modify to fix the problem?

A.
Change 6 Mbps to Supported.

B.
Change 6 Mbps to Mandatory.

C.
Change 9 Mbps to Supported.

D.
Change 9 Mbps to Disabled.