VMware Practice Test Incorrect Answers

Question 1

When configuring a virtual machine, what is the maximum number of vNICs that can be allocated?

Answer 1

10 (4,5,8)

Question 2

You have a Windows 2003 Server virtual machine (VM) that is experiencing performance problems. Task Manager displays the following information: 1) CPU Usage: 85% 2) Memory Available: 3 GB 3) Network Utilization: 25%. vCenter displays this additional information: 1) ESX Server CPU Utilization: 60% 2) VMkernel Swap Activity: None 3) Average Network Usage: 900 Mbps Which of the following is the most likely cause for the performance problems?

Answer 2

The ESX Server NIC is being over utilized.

Question 3

An administrator is configuring a vNetwork Standard Switch for load balancing. The physical network is configured for switch-assisted load balancing using EtherChannel. Which ESX load-balancing policy must be used to support this configuration?

Answer 3

Route based on IP hash

Question 4

The proportional share mechanism is invoked whenever:

Answer 4

there is resource contention

CPU ready time exceeds a threshold
More than 1 virtual machine is running
the sum of reservations exceeds the physical resources

Question 5

What is the maximum number of VMkernel swap files that an ESX host can have on a single VMFS volume?

Answer 5

1 per virtual machine

1
VMkernel swap files must be stored locally on the ESX Server
1 per virtual disk

Question 6

An existing VMware VI3 infrastructure will be upgraded to vSphere. The infrastrucure contains 250 ESX and ESXi Hosts in multiple HA/DRS clusters. Which of the following tools does VMware recommend using to upgrade the ESX Hosts in this infrastructure to ESX 4.x?

Answer 6

vCenter Update Manager

vSphere Host Update Utility
esxupdate
vihostupdate

Question 7

When the guest OS of a virtual machine requires all of the VM’s memory, which of the following formulas defines the amount of memory that will always be composed of disk pages?

Answer 7

Memory allocated – memory available

Question 8

Which memory conservation technique allows the secure elimination of redundant copies of memory pages between virtual machines on the host?

Answer 8

Transparent Page Sharing

VMkernel Swap
Memory Balloon Driver
RAM Overcommit

Question 9

Which of the following actions requires a reboot of an ESX Server?

Answer 9

Changing the number of ports on a virtual switch

Implementing VLANs in a virtual switch
Adding a second VMkernel port to a virtual switch
Configuring a NIC team for a virtual switch

Question 10

Which of the following is a true statement about transparent memory page sharing?

Answer 10

It is enabled by default

It will not share more than 65% of a VMs memory.
It must be enabled on each host
It cannot be disabled.

Question 11

Which of the following VMware solutions provides self-service provisioning and management capabilities to internal teams?

Answer 11

VMware vCenter Lab Manager

VMware vCenter Lifecycle Manager
VMware vCenter Orchestrator
VMware vCenter CapacityIQ

Question 12

An administrator is configuring iSCSI for use with ESX 4. Which networking feature should be configured on the ESX host to improve iSCSI performance?

Answer 12

Jumbo Frames

NetQueue
EtherChannel
PortFast

Question 13

The maximum available memory for a Virtual Machine in vSphere 4.x is:

Answer 13

255GB

512GB
128GB
256GB

Question 14

When configuring ESX Server, which of the following services does not require a Service Console port (Choose Two)?

Answer 14

VMware VMotion
Software iSCSI

VMware HA
VMware Fault Tolerance

Question 15

You are running into disk contention problems on a VMFS datastore. Which two actions should you take to solve this problem (Choose Two)?

Answer 15

Move some of the virtual machines from this VMFS datastore to another datastore on a different LUN.
Adjust disk shares for all virtual machines accessing this datastore from the same ESX Server

Adjust disk shares for each ESX Server accessing this datastore.
Move some of the virtual machines from this VMFS datastore to another datastore on the same LUN.

Question 16

What is the maximum number of paths allowed in ESX 4.x for an iSCSI LUN?

Answer 16

8

Question 17

Which of the following is a default vCenter Server role?

Answer 17

Datastore Consumer

Question 18

VMware vSphere can be evaluated prior to purchase. What is the maximum number of days the evaluation can be used before a license must be purchased?

Answer 18

60

30
90
120

Question 19

During the installation of vCenter Server, if you choose Join Group, which of the following actions is taken:

Answer 19

The vCenter Server is joined to a Linked Mode group

The vCenter Server is configured for VMware Fault Tolerance
The /etc/group file on ESX Hosts managed by vCenter Server are configured for vpxuser authentication
The vCenter Server is clustered with an existing vCenter Server for high availability

Question 20

Which is NOT a supported database for vCenter Server?

Answer 20

MySQL

Question 21

Which of the following indicates how suitable an analyzed system is for Guided Consolidation?

Answer 21

Consolidation Factor

Question 22

What protocol is used by an ESX Server to communicate with NAS devices?

Answer 22

NFS

iSCSI
CIFS
SMB

Question 23

When creating a Raw Device Map (RDM) for use with a virtual machine, which of the following is the maximum available size?

Answer 23

2TB minus 512B

1TB
1TB minus 16K
2TB

Question 24

What is the meaning of a red, or critical, indicator on a DRS cluster?

Answer 24

Red clusters indicate virtual machines are using more resources than the fixed reservation allows

Question 25

Which of the following is the maximum number of ports available on a vNetwork Standard Switch?

Answer 25

4088 1016 1024 4096

Question 26

Which of the following has no effect on the amount of physical memory resources used for virtualization overhead (Choose Two)?

Answer 26

Installing a 64-bit versus 32-bit operating system. Increasing the memory shares for the virtual machine. Increasing the amount of RAM in the virtual machine. Increasing the number of virtual CPUs in the virtual machine.

Question 27

ESX Service Console patches should be applied (Choose Two):

Answer 27

in accordance with VMware Security Advisories when advised by VMware authorized technical support personnel in accordance with VMware and RedHat Security Advisories when notified on the VMware Security Blog

Question 28

An administrator is configuring an ESX Host to boot from SAN. After entering the HBA BIOS and attempting to select a boot LUN, the ESX Host becomes unresponsive. Which of the following could cause this issue?

Answer 28

If a large number of initiator or target storage devices are in the same SAN zone with the ESX Host, the HBA BIOS may become unresponsive.