Module 7: Virtual Machines Lesson 1: Virtual Machine Concepts

Question 1

What is a virtual machine made up of?

Answer 1

A set of discrete files

Question 2

What kind of information does the VM configuration file consist of?

Answer 2

Virtual hardware such as CPU, memory, disk, network interface, CD-ROM drive and floppy drive

Question 3

What is the name of the virtual machine configuration file?

Answer 3

.vmx

Question 4

What is the name of the file describing virtual disk characteristics?

Answer 4

.vmdk

Question 5

What is the name of the preallocated disk file that contains the data?

Answer 5

-flat.vmdk

Question 6

What is the name of the virtual machine BIOS file?

Answer 6

VM_name>.nvram

Question 7

What are the following files:

vmware.log and vmware-#.log

Answer 7

Virtual machine log file and files containing old virtual machine log entries

Question 8

What is the name of the VM swap file?

Answer 8

.vswp

Question 9

What is the name of the file that describes the virtual machine’s snapshots?

Answer 9

.vmsd

Question 10

What is the name of the virtual machine template configuration file?

Answer 10

.vmtx

Question 11

How many log files are maintained at any one time?

Answer 11

6

Question 12

How can you view a virtual machine’s files?

Answer 12

From the Storage Views tab

Question 13

What is the maximum amount of memory a virtual machine can use?

Answer 13

255GB

Question 14

What is the maximum amount of vCPUS that can be configured for a VM

Answer 14

8

Question 15

What technology allows a VM to have 8 vCPUs

Answer 15

SMP

Question 16

What kind of storage adapters can be configured on a VM?

Answer 16

BusLogic Parallel, LSI Logic Parallel, LSI Logic SAS and VMware Paravirtual

Question 17

What are two independent disk modes?

Answer 17

Persistent and Non-Persistent

Question 18

When would an independent non-persistent disk mode be used?

Answer 18

When you want to discard changes or revert to a snapshot after the VM is powered off

Question 19

What are the different types of supported network adapters available for VMs

Answer 19

Flexible either vlance driver or vmxnet driver
e1000
vmxnet2
vmxnet3

Question 20

What is the vlance driver?

Answer 20

An emulated version of the AMD 79C970 PCnet32 LANCE NIC 10Mbps available in most 32-bit OS

Question 21

What is the vmxnet driver?

Answer 21

A virtual adapter that has no physical counter-part installed with VMware Tools

Question 22

What is the e1000 driver?

Answer 22

An emulated version of the Intel 82545EM Gigabit Ethernet NIC

Question 23

What is the default NIC for VMs running a 64-bit guest operating stystem?

Answer 23

e1000

Question 24

What is the vmxnet2 driver?

Answer 24

Enhanced version of vmxnet that allows jumbo frames

Question 25

What is the vmxnet3 driver?

Answer 25

vmxnet2 with added features and the support for fault tolerance and record/play

Question 26

What hardware version is vmxnet3 available for?

Answer 26

7