A Cisco Unified IM and Presence version 11.5.1 on-premises deployment of instant messaging with a capacity of 50,000 users includes the multiple device messaging feature. Each of the 30,000 users has 3 Jabber clients. The customer reports that messages are not being received on all 3 clients.
What should the administrator do to resolve this issue?
A . Increase capacity to 90,000+ to match the number of Jabber clients.
B . Increase capacity to 60,000 users to service all Jabber clients.
C . Increase capacity to 72,000 users to service all Jabber clients.
D . Increase capacity to 30,000 users to match the number of Jabber clients.
Answer: D