VMware VC Interview Ques/Ans

• What is virtualization ?

Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources.

• What is Virtual Center?

Both VMware Virtual Center and Microsoft System Center are centralized management applications for their

respective virtualization platform.

Virtual Center is a required piece of many of the advanced VMware ESX Server features but it must be

purchased separately. Virtual Center runs on a Windows server and it could use SQL as a backend. 

• What are the minimum H/W requirements to install VirtualCenter Server ?

VirtualCenter Server hardware must meet the following requirements:

Processor : 2.0GHz or higher Intel or AMD x86 processor. Processor requirements can be larger if your

database server is also run on the same hardware.

Memory : 2GB RAM minimum. RAM requirements can be larger if your database is run on the same hardware

Disk storage :Nearly 1GB free disk space

Networking : 10/100 Ethernet adapter minimum (Gigabit recommended).

Scalability : A VirtualCenter Server configured with the hardware minimums can support 20 concurrent

clients, 50 ESX Server hosts, and over 1000 virtual machines.

A dual processor VirtualCenter Server with 3GB RAM can scale to 50 concurrent client connections, 100 ESX

Server hosts, and over 2000 virtual machines.

• Which softwares are supported to install Virtual Center Server Software ?

The VirtualCenter Server is supported as a service on the 32 bit versions of these operating systems :

The Virtual Center installer requires Internet Explorer 5.5 or higher in order to run.

o Windows 2000 Server SP4 with Update Rollup 1 (Update Rollup 1 can be downloaded from Windows XP Pro

(at any SP level)

o Windows 2003 (all releases except 64 bit)

Virtual Center 2.0 installation is not supported on 64 bit operating systems.

• Which Databases are supported to VirtualCenter ?

Virtual Center supports the following database formats:

o Microsoft SQL Server 2000 (SP 4 only)

o Oracle 9iR2, 10gR1 (versions 10.1.0.3 and higher only), and 10gR2

o Microsoft MSDE (not supported for production environments)

• What are the Hardware requirements for Virtual Infrastructure Client ?

The Virtual Infrastructure Client hardware must meet the following requirements :

o Processor : 266MHz or higher Intel or AMD x86 processor (500MHz recommended).

o Memory . 256MB RAM minimum, 512MB recommended.

 Disk Storage . 150MB free disk space required for basic installation. You must have 55MB free on the

destination drive for installation of the program .

Networking . 10/100 Ethernet adapter (Gigabit recommended).