Which two options are primary weaknesses of Citrix Online Web Conferencing as compared
to the Cisco WebEx service? (Choose two.)

A.
Its video solution works only with PCs.

B.
It has reliability and performance issues.

C.
h offers limited support for mobile devices.

D.
Its service is unable to bridge VoIP and PSTN audio into the same meeting.

E.
Quality of experience is often sacrificed to maintain low-bandwidth usage.