Which of the following circumstances prevents the option of joining a linked mode group during vCenter Server installation (Choose Two)?
A. An administrator installed vCenter Server instances using different domain accounts
B. An administrator has vCenter Server instances in multiple domains
C. An administrator is installing the first of the vCenter Server instances
D. An administrator is upgrading an existing VirtualCenter Server installation
Answer: A,C
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.