What are two conferencing guidelines for a single-site deployment? (Choose two.)
A.
Use hardware conferencing only for small deployments
B.
If available, configure DSPs for flex-mode when there are multiple codec types in use.
C.
Group any conferencing resources into MRGLs based on their location, to manage Call Admission Control.
D.
Make certain that Meet-Me and Ad-Hoc conference resources each account for a minimum of 5% of the user base.