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Virtual Infrastructure > Quizzes > Flashcards

Quizzes Flashcards

1
Q

Cpu, memory, storage, and network are provided as virtual resources to vms. Which of those resources can be configured to allow direct control by the guesr OS

A

CPU

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2
Q

True or false

vmware esxi is a type one hypervisor that is part of vSphere suite

A

True

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3
Q

Which of the following is not a benefit of virtualization?
Question options:
- Less network hardware is required
- Multiple services can fail in the case of a single hardware failure
- Reduced power consumption
- More efficient utilization of compute resources

A

Reduced power consumption

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4
Q 
On the ESXi Direct Console User Interface (DCUI), which of the following is not something that can be configured?
Question options:
- Active Directory integration
- Root user password
- SSH access
- Management interface IP
A

Active Directory integration

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5
Q

True or False
When creating a virtual machine, the number of virtual CPUs that can be assigned is not affected by the number of physical processors in the host.

A

False

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6
Q

Which of the following describes the difference between public and private cloud computing?
Question options:
- There is no difference
- Private cloud is on-premises and public cloud is off-premises
- A private cloud is provided to a single party, public is provided to public and organizations
- Private cloud is managed by a first party and public cloud is managed by third party

A

Private cloud is managed by a first party and public cloud is managed by third party

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7
Q

True or False

It may be possible to reduce hardware and software expenditures by utilizing a hybrid cloud during peak resource demand.

A

True

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8
Q 
When deploying vSphere, you may be required to purchase more than one license for a host. You must purchase a license for each:
Question options:
- Disk
- Processor core
- CPU
- Hosted VM
A

Hosted VM

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9
Q 
When deploying an OVF template, the resulting virtual disk is created in what file format?
Question options:
- VMX
- VSWP
- VMDK
- OVF
A

VMDK

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10
Q 
vSphere provides CPU, memory, storage and network virtual resources to virtual machines. For which of those resources does vSphere create an object in the hypervisor kernel to emulate a physical device?
Question options:
- Memory
- Storage
- Network
- CPU
A

CPU

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11
Q 
Which of the following protocols is used by an ESXi host to communicate with NAS storage?
Question options:
- SMB
- CIFS
- NFS
- iSCSI
A

NFS

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12
Q 
An administrator has been asked to configure a standard vSwitch for load balancing. Which load balancing policy provides the best overall load balancing while also requiring the most overhead processing?
Question options:
- Route based on source MAC hash
- Route based on IP hash
- Route based on originating port ID
- Route using round robin
A

Route based on IP hash

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13
Q 
Which of the following protocols is not used for block storage I/O?
Question options:
- NFS
- Fibre Channel
- iSCSI
- FCoE
A

NFS not used for block I/O

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14
Q

True or False
Security policy has been configured on a standard vSwitch. You can configure security policy on a port group in order to override the vSwitch security policy.

A

False

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15
Q

You have been asked to increase the size of a VMFS datastore by adding an extent. Which of the following must you have to complete your task?
Question options:
- An unused iSCSI LUN
- A new unused NFS mount
- Free space on the LUN currently holding the VMFS datastore
- An RDM with sufficient space available

A

An unused ISCSI LUN

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16
Q

True or False

It is possible to unmount a datastore that contains virtual machines that are not running.

A

True

17
Q

True or False

Configuring iSCSI on an ESXi host requires an iSCSI adapter. ESXi supports both hardware and software iSCSI adapters.

A

True

18
Q

Explain the difference between vSphere both block and file I/O.

A

File level storage is seen and deployed in Network Attached Storage (NAS) systems.
- simple to use and implement.
- It stores files and folders and the visibility is the same to the clients accessing and to the system which stores it.
Block level storage is seen and deployed in Storage Area Network (SAN) storage.
- raw volumes of storage are created and each block can be controlled as an individual hard drive.
- controlled by server based operating systems and each block can be individually formatted with the required file system.
- This level of storage offers boot-up of systems which are connected to them.
- used to store files and can work as storage for special applications like databases, Virtual machine file systems and so on.
- Block level storage data transportation is much efficient and reliable.

19
Q

You have added an RDM disk to a Windows Server based VM. What file system would be created on the LUN associated to the RDM?

A

VMFS

20
Q

True or False
A VM was created using VMware Workstation on someone’s desktop and its files have been uploaded to a datastore in vSphere. It is possible to register the VM in inventory and use it with no further modification.

A

True

21
Q

True or False
A VM was created using VMware Workstation on someone’s desktop and its files have been uploaded to a datastore in vSphere. It is possible to register the VM in inventory and use it with no further modification.

A

True

22
Q

Which of the following statements about vMotion migration is false?
Question options:
a) The VM is powered on at the time of the migration
b) The VM may not be migrated between data centers
c) vMotion involves migrating between hosts
d) The datastore containing the VM does not have to be accessible to all hosts involved in the migration

A

The datastore containing the VM does not have to be accessible to all hosts involved in the migration

23
Q

vSphere uses Virtual SMP to assign virtual CPUs to physical compute resources. If an ESXi host has two 6 core CPUs with hyper threading enabled, what is the maximum number of CPUs that can be configured on a VM?

a) 24
b) 2
c) 12
d) 6

A

2

24
Q

vSphere uses Virtual SMP to assign virtual CPUs to physical compute resources. If an ESXi host has two 6 core CPUs with hyper threading enabled, what is the maximum number of CPUs that can be configured on a VM?

a) 24
b) 2
c) 12
d) 6

A

2

25
Q

You have a vSphere HA cluster with three hosts. You have configured host group consisting of one of your hosts. You have configured an affinity rule that your database VM must run on the host group. The host in the host group fails. What happens to the database VM?

a) The VM will be booted on one of the running hosts that is not in the host group.
b) vSphere will automatically add another host to the host group so that the VM can be rebooted.
c) The VM will stay powered down until the host in the host group is back on line.
d) vSphere will automatically change the affinity rule to allow the VM to boot on another host.

A

The VM will stay powered down until the host in the host group is back on line.

26
Q

From the vSphere web client, what is the number of VMs that can be powered on and still meet the High Availability commitment?

A

(found inside high availability different for each virtual environment) test case was 14.

27
Q

Which of the following failures does vSphere High Availability not protect against?

a) Application
b) Storage
c) Guest OS
d) Host

A

Storage

28
Q 
A \_\_\_\_\_\_\_\_\_\_ is a local storage unit that can use disk space on one physical device or span several devices. 
Storage
Datastore
SAN
NAS
A

Datastore

29
Q 
Datastores are used to hold?
Choose all that apply:
Virtual machine files
Virtual machines
Templates
SANs
ISO's
A

Virtual machine files
iSO’s
Templates

30
Q

What are the two types of datastores?

A

VMFS

NFS

Virtual Infrastructure (10 decks)

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