Module 4: VMware vCenter Server

Question 1

How many hosts does a single vCenter Server support?

Answer 1

1,000 hosts

Question 2

How many powered on virtual machines does a single vCenter Server support?

Answer 2

10,000 virtual machines

Question 3

How many registered virtual machines does a single vCenter Server support?

Answer 3

15,000 virtual machines

Question 4

The vCenter architecture relies on what components?

Answer 4

VMware vSphere Client
vCenter Server Database
Active Directory domain
Managed hosts

Question 5

How do you log into the vCenter Server?

Answer 5

The same vSphere Client used to manage standalone hosts

Question 6

What does the vCenter Server Database store?

Answer 6

Inventory items, security roles, resource pools, performance data, and other critical information for vCenter Server

Question 7

How does vCenter Server rely on Active Directory domains?

Answer 7

Users authenticate with vCenter Server with domain credentials.

Question 8

What does vCenter Server use for authentication if it does not belong to an Active Directory domain?

Answer 8

It uses local Windows users and groups

Question 9

The vCenter Server consists of what services and interfaces?

Answer 9

Core services, distributed services, additional services such as Update Manager, ESX/ESXi management, Active Directory interface and the VMware vSphere API

Question 10

What does vCenter Server Core services consist of?

Answer 10

management of resources and virtual machines, task scheduling, statistics logging, management of alarms and events, virtual machine provisioning, and host and virtual machine configuration

Question 11

What does vCenter Server Distributed services consist of?

Answer 11

vMotion, DRS, VMware HA

Question 12

What does the database interface do for vCenter Server?

Answer 12

Provides access to the vCenter Server database

Question 13

What does the Active Directory interface do for vCenter Server?

Answer 13

Provies access to domain user accounts

Question 14

What is the VMware vSphere API used for?

Answer 14

Provides an interface for writing custom applications that access vCenter Server functionality

Question 15

What is the minimum CPU requirement for vCenter Server?

Answer 15

Two 64-bit CPUs or one 64-bit dual-core processor

Question 16

What is the minimum Processor requirement for vCenter Server?

Answer 16

2.0GHz or faster Intel or AMD processor

Question 17

What is the minimum Memory requirement for vCenter Server?

Answer 17

3GB RAM

Question 18

What is the minimum disk space required for vCenter Server?

Answer 18

3GB

Question 19

What is the minimum networking speed required for vCenter Server?

Answer 19

Gigabit recommended (10/00 minimum)

Question 20

What databases does vCenter Server support?

Answer 20

SQL Server, Oracle, and IBM DB2 or Microsoft SQL Server 2005 Express

Question 21

What executable is needed to install vCenter Server?

Answer 21

autorun.exe

Question 22

What information is required for the vCenter Server?

Answer 22

User name, organization and license key
Database information
Data Source Name (DSN)
SYSTEM account
Destination folder
Standalone or Linked-Mode group
vCenter Ports
JVM Memory

Question 23

What is port 443 used for?

Answer 23

HTTPs

Question 24

What is port 80 used for?

Answer 24

HTTP

Question 25

What is port 902 used for?

Answer 25

UDP heartbeat

Question 26

What is port 8080 used for?

Answer 26

Web Services HTTP

Question 27

What is port 8443 used for?

Answer 27

Web Services HTTPs

Question 28

What is port 60099 used for?

Answer 28

Web Services Change Service Notification

Question 29

What is port 389 used for?

Answer 29

LDAP

Question 30

What is port 636 used for?

Answer 30

SSL

Question 31

What is JVM Memory used for?

Answer 31

A service called VMware VirtualCenter Management Webservices

Question 32

How much additional memory does VMware VirtualCenter Management Webservices require?

Answer 32

1-4GB

Question 33

If you have fewer than 100 virtual machines how much JVM memory is required?

Answer 33

1,024MB

Question 34

If you have more than 400 virtual machines how much JVM memory is required?

Answer 34

4,096MB

Question 35

What additional Windows services appear on the vCenter Server system?

Answer 35

VMware Mount Services for VirtualCenter VMware vCenter Orchestrator Configuration VMware VirtualCenter Management Webservices VMware VirtualCenter Server VMware VCMSDS

Question 36

What does the VMware Mount Service for Virtual Center do?

Answer 36

Used during guest operating system customization when cloning a VM or deploying a VM from template

Question 37

What does the VMware vCenter Orchestrator Configuration service do?

Answer 37

A workflow engine that can help administrators automate existing manual tasks

Question 38

What does the VMware VirtualCenter Management Webservices do?

Answer 38

Allows the configuration of vCenter management services

Question 39

What does the VMware VirtualCenter Server service do?

Answer 39

The heart of the vCenter Server

Question 40

What does the VMwareVCMSDS service do?

Answer 40

Provides vCenter Server LDAP directory services

Question 41

What three plug-ins are installed and enabled be default with vCenter Server?

Answer 41

vCenter Storage Monitoring vCenter Service Status vCenter Hardware Status