What is the minimum CPU speed required for vCenter Server?

A.
3GHz

B.
2GHz

C.
1GHz

D.
500MHz

Explanation:
Getting Started with ESX, ESX 4.0, vCenter Server 4.0, page 16 Minimum Requirements for vCenter Server
* CPU – 2 CPUs
* Processor – 2.0GHz or faster Intel or AMD processor. Processor requirements might be higher if the database runs on the same machine.
* Memory – 3GB RAM. Memory requirements might be higher if the database runs on the same machine.
* Disk storage – 2GB. Disk requirements might be higher if the database runs on the same machine.