VCP-DCV 5.5 Flashcards

0
Q

What vCenter Server editions are available?

A

Essentials, Foundation, and Standard are the available vCenter Server editions.

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1
Q

What are the available vSphere Editions

A

Standard, Enterprise, and Enterprise Plus are the available vSphere editions

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2
Q

What is the vRam Entitlement for vSphere Standard

A

32 GB

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3
Q

What is the order of installation for vCenter Server Components?

A

(1) vCenter Single Sign-On
(2) vSphere Web Client
(3) vCenter Inventory Service
(4) vCenter Server

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4
Q

How many hosts and virtual machines can the vCenter Server bundled Microsoft SQL Server 2008 Express database support?

A

Up to 5 Hosts and 50 Virtual Machines

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5
Q

What kind of CPU is required for ESXi 5.5?

A

64-bit x86 CPU

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6
Q

What is the minimum number of CPU cores required for ESXi 5.5?

A

At least 2 CPU cores are required.

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7
Q

ESXi only supports which two CPU instruction sets?

A

LAHF and SAHF CPU instruction sets.

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8
Q

Which CPU Instruction bit is required to be set in the BIOS for ESXi 5.5?

A

The NX/XD bit must be enabled for the CPU in the BIOS.

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9
Q

What is the minimum amount of physical RAM required for ESXi 5.5?

A

4GB

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10
Q

How much RAM is required to take full advantage of ESXi features and run virtual machines in typical production environments?

A

8GB of RAM (at least)

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11
Q

What is required for ESXi 5.5 to support 64-bit virtual machines?

A

Hardware virtualization must be enabled on x64 CPUs (Intel VT-x or AMD RVI)

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12
Q

How many Gigabit or 10Gb Ethernet controllers are required for ESXi 5.5

A

One or more

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13
Q

What is required to connect a SATA CD-ROM device to a virtual machine on an ESXi 5.5 host?

A

A SATA CD-ROM must be set to IDE emulation mode

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14
Q

What type of local, internal drive does VMware not support for VMFS datastores that are shared across multiple ESXi hosts?

A

local, internal SATA drives are not supported for VMFS datastores that are shared across multiple ESXi hosts.

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15
Q

What scope are USB drives supported with ESXi 5.5?

A

USB Drives are supported for installing ESXi 5.5 only.

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16
Q

What is UEFI?

A

Unified Extensible Firmware Interface - used for booting from hard drive, CD-ROM, or USB media

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17
Q

Which boot mode is required for network boot for VMware Auto Deply?

A

Legacy BIOS is required for network boot (UEFI only supports HDD, CD-ROM, or USB media)

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18
Q

Is changing the host boot type between UEFI and Legacy BIOS supported

A

No. Changing the host boot type may cause the host to fail to boot with an error “not a vmware boot bank”

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19
Q

What is the boot device minimum size for ESXi 5.5?

A

1GB

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20
Q

What is the maximum physical CPU count for VMware vSphere 5.5?

A

320 physical CPU per ESXi host

This is double the VMware vSphere 5.1 supported physical CPU count of 160 physical CPU per ESXi host.

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21
Q

What is the maximum physical memory for VMware vSphere 5.5?

A

4TB per ESXi host

This is double the VMware vSphere 5.1 supported physical memory maximum of 2TB per ESXi host.

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22
Q

What is the maximum NUMA Nodes supported in VMware vSphere 5.5?

A

16 NUMA Nodes per ESXi host

This is double the VMware vSphere 5.1 maximum of 8 NUMA Nodes

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23
Q

What is the maximum supported vCPU quantity for VMware vSphere 5.5?

A

4096 vCPU per ESXi host

This is double the VMware vSphere 5.1 maximum of 2098 vCPU

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24
Q

What level of licensing is required for vMotion in vSphere 5.5?

A

vMotion requires a minimum of vSphere Essentials Plus license

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25
Q

What is vSphere High Availability (HA)?

A

HA restarts virtual machines on another host if a physical ESXi host becomes inoperable.

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26
Q

What is vSphere vMotion?

A

Move a live running virtual machine from one ESXi host to another without downtime.

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27
Q

What level of licensing is required for HA in vSphere 5.5?

A

HA requires a minimum of vSphere Essentials Plus license

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28
Q

What is vSphere Distributed Resource Service (DRS)?

A

vSphere DRS balances resource loads across vSphere hosts by moving virtual machines.

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29
Q

What level of licensing is required for vSphere App HA in vSphere 5.5?

A

vSphere App HA requires the Enterprise Plus license

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30
Q

What is the minimum license requirement for DRS in vSphere 5.5?

A

vSphere DRS requires the Enterprise license

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31
Q

What is the minimum license requirement for DPM in vSphere 5.5?

A

vSphere DPM requires the Enterprise license

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32
Q

What is the minimum license requirement for FT in vSphere 5.5?

A

vSphere FT requires the Standard license

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33
Q

What is the minimum license requirement for SDRS in vSphere 5.5?

A

vSphere SDRS requires the Enterprise Plus license

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34
Q

What is the minimum license requirement for Host Profiles in vSphere 5.5?

A

vSphere Host Profiles require the Enterprise Plus license

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35
Q

What is the minimum license requirement for Storage Profiles in vSphere 5.5?

A

vSphere Storage Profiles require the Enterprise Plus license

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36
Q

What is the minimum license requirement for Distributed Virtual Switches in vSphere 5.5?

A

vSphere Distributed Virtual Switches require the Enterprise Plus license

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37
Q

What is the minimum license requirement for Auto Deploy in vSphere 5.5?

A

vSphere Auto Deploy requires the Enterprise Plus license

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38
Q

What is the minimum license requirement for VSA in vSphere 5.5?

A

vSphere VSA requires the Essentials Plus license (a VSA license is included in the Essentials Plus and all advanced kits)

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39
Q

What is the maximum vCPU count for vSphere 5.5 virtual machines?

A

64 vCPU

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40
Q

What is the maximum vRAM quantity for vSphere 5.5 virtual machines?

A

1TB

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41
Q

What is the maximum virtual machine swap size for vSphere 5.5 virtual machines?

A

1TB

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42
Q

What is the maximum quantity of virtual SCSI adaptors configurable for vSphere 5.5 virtual machines?

A

4 SCSI adaptors

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43
Q

What is the maximum quantity of virtual SATA adaptors configurable for vSphere 5.5 virtual machines?

A

4 SATA adaptors

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44
Q

What is the maximum quantity of virtual SCSI targets per virtual SCSI adaptor for vSphere 5.5 virtual machines?

A

15 targets

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45
Q

What is the maximum quantity of virtual SCSI targets per VM for vSphere 5.5?

A

60 targets

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46
Q

What is the maximum quantity of virtual SATA targets per virtual SATA adaptor for vSphere 5.5 virtual machines?

A

30 targets

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47
Q

What is the maximum quantity of virtual SATA targets per VM for vSphere 5.5?

A

120 targets

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48
Q

What is the maximum quantity of virtual disks per VM for vSphere 5.5?

A

180 virtual disks

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49
Q

What is the maximum virtual disks size for vSphere 5.5 virtual machines?

A

62TB

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50
Q

What is the maximum quantity of virtual IDE controllers configurable for vSphere 5.5 virtual machines?

A

1 IDE controller

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51
Q

What is the maximum quantity of virtual IDE devices configurable for vSphere 5.5 virtual machines?

A

4 IDE devices

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52
Q

What is the maximum quantity of virtual floppy controllers configurable for vSphere 5.5 virtual machines?

A

1 floppy controller

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53
Q

What is the maximum quantity of virtual floppy devices configurable for vSphere 5.5 virtual machines?

A

2 floppy devices

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54
Q

What is the maximum quantity of virtual NICs configurable for vSphere 5.5 virtual machines?

A

10 virtual NICs

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55
Q

What is the maximum quantity of USB controllers configurable for vSphere 5.5 virtual machines?

A

1 USB controller

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56
Q

What is the maximum quantity of USB devices connected to vSphere 5.5 virtual machines?

A

20 USB devices

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57
Q

What is the maximum quantity of parallel ports configurable for vSphere 5.5 virtual machines?

A

3

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58
Q

What is the maximum quantity of xHCI USB controllers configurable for vSphere 5.5 virtual machines?

A

1 xHCI USB controller

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59
Q

What is the maximum quantity of serial ports configurable for vSphere 5.5 virtual machines?

A

4 serial ports

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60
Q

What is the maximum quantity of video memory configurable for vSphere 5.5 virtual machines?

A

512MB video memory

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61
Q

What is the maximum quantity concurrent remote console connections for vSphere 5.5 virtual machines?

A

40 concurrent connections

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62
Q

What license is required to use the Virtual Serial Port Concentrator?

A

Enterprise Plus License.

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63
Q

What feature level does vSphere Desktop provide?

A

vSphere Enterprise Plus features

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64
Q

What do core virtual machine files ending with the extension .vmx contain?

A

Virtual machine configuration data in text format.

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65
Q

What do core virtual machine files ending with the extension .vswp contain?

A

Virtual machine swap contents - sized to allocate RAM minus any memory reservation at boot time.

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66
Q

What do core virtual machine files ending with the extension .nvram contain?

A

Virtual machine BIOS

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67
Q

What do core virtual machine files ending with the extension .log contain?

A

Virtual machine log files

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68
Q

What do core virtual machine files ending with the extension .vmtx contain?

A

Virtual machine template files

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69
Q

What do core virtual machine files ending with the extension .rdm.vmdk contain?

A

Virtual machine raw device map file

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70
Q

What do core virtual machine files ending with the extension .vmdk contain?

A

Virtual machine disk descriptor file

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71
Q

What do core virtual machine files ending with the extension flat.vmdk contain?

A

Virtual machine disk data file

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72
Q

What do core virtual machine files ending with the extension .vmss contain?

A

Virtual machine suspend state file

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73
Q

What do core virtual machine files ending with the extension .vmsd contain?

A

Virtual machine snapshot data file

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74
Q

What do core virtual machine files ending with the extension .vmsn contain?

A

Virtual machine snapshot state file - contains the memory at the time the snapshot was taken

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75
Q

What do core virtual machine files ending with the extension delta.vmdk contain?

A

Virtual machine snapshot disk file

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76
Q

Can virtual disks be hot-extended beyond 2TB?

A

No, the virtual disk must be offline to extend beyond 2TB

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77
Q

Can you revert to snapshots after hot-extending a disk?

A

No, you cannot commit a snapshot or revert the base disk to it’s original size

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78
Q

Can you hot-add an IDE disk?

A

No

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79
Q

Is it possible to hot-remove CPU or Memory?

A

No

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80
Q

Can CPU or Memory be hot-added without VMware tools installed?

A

No

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81
Q

What features are lost when VMDirectPath I/O is enabled?

A

The vMotion, virtual device hot add, and virtual machine suspend/resume features are unavailable when VMDirectPath I/O is enabled.

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82
Q

What features are lost when SR-IOV is enabled?

A

vSphere vMotion, vSphere FT, and vSphere HA features are not available when SR-IOV is enabled.

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83
Q

Are AMD processors supported with SR-IOV?

A

No, AMD processors are not supported with SR-IOV.

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84
Q

Can a template be created from a running VM?

A

No, a VM must be offline to create a template.

85
Q

Can a clone be created from a running virtual machine?

A

Yes - a running VM can be cloned.

86
Q

Can a template be powered on?

A

No - a template must be deployed to a VM to be powered on.

87
Q

Can you deploy a template on a VM in a different datacenter?

A

Yes - you can deploy a template to a VM in another datacenter.

88
Q

Are snapshots supported with PCI vSphere DirectPath I/O devices?

A

No.

89
Q

Do snapshots capture virtual machine settings?

A

Yes.

90
Q

How many snapshots can be maintained in a process tree?

A

32 snapshots

91
Q

How large can snapshot files grow?

A

Snapshots can grow to the same size as the original base disk file.

92
Q

What is the maximum number of snapshots that VMware recommends maintaining?

A

No more than three snapshots.

93
Q

How long does VMware recommend maintaining a single snapshot?

A

24-72 hours

94
Q

What is Storage vMotion?

A

Storage vMotion migrates a virtual machine and it’s files from one datastore to another.

95
Q

What is Enhanced vMotion?

A

Enhanced vMotion moves a virtual machine from one host to another while also moving to a different datastore. This works even if the hosts do not have shared storage in common.

96
Q

What are the three requirements to use Enhanced vMotion between two hosts?

A

The hosts must be (1) connected to the same vCenter Server, (2) in the same datacenter, and (3) on the same layer 2 network.

97
Q

Which vSphere client supports Enhanced vMotion?

A

Enhanced vMotion is only supported from the vSphere Web Client.

98
Q

What is the earliest version of vSphere that supports Enhanced vMotion?

A

vSphere 5.1.

99
Q

What mode must disks be in to support Enhanced vMotion?

A

Persistent mode

100
Q

What are the major enhancements for Microsoft Cluster Services (MSCS) supporting in vSphere 5.5?

A

(1) Windows 2012 Clusters
(2) Round-Robin path policy for shared storage.
(3) FCOE and iSCSI support for shared storage

101
Q

What is the minimum license required for vSphere Replicator?

A

Essentials Plus

102
Q

What is the RPO range for vSphere Replicator?

A

vSphere Replicator has an RPO range from 24 hours to 15 minutes.

103
Q

How many virtual machines are supported per vSphere Replication instance?

A

500 virtual machines are supported per vSphere Replication instance.

104
Q

What is the major vSphere Replicator enhancement introduced in vSphere 5.5?

A

vSphere 5.5 vSphere Replicator allows the retention of historical point in time.

105
Q

How many additional locations does the “add-on” VR appliance provide for vSphere Replicator?

A

The vSphere Replicator 5.5

“add-on” VR appliance allow configuration of replication for up to 10 other target locations.

106
Q

How many locations can a virtual machine be replicated to using vSphere Replicator?

A

A virtual machine may only be replicated to single location using vSphere Replicator.

107
Q

How are vSphere Replicator points-in-time retained at the recovery site?

A

vSphere Replicator points-in-time are retained as vmdk snapshot - very large snapshots may take a long time to commit or revert after failover.

108
Q

Can vSphere Replicator virtual machines be moved across data stores?

A

Yes: vSphere 5.5 allows replicated virtual machines to be moved across data stores using Storage vMotion.

109
Q

What are the hardware specifications for a vSphere Replication Appliance?

A

The hardware specifications for a vSphere Replication Appliance are:

(1) Dual Core CPU
(2) 10GB and 2GB HDD
(3) 4GB RAM
(4) 64-bit

110
Q

What is the maximum number of replicated virtual machines for the vSphere Replicator license?

A

There is no license based limitation for virtual machine replication.

111
Q

What are the vSphere Data Protection versions available?

A

(1) vSphere Data Protection Advanced

(2) VDP included with vSphere Essentials Plus and higher

112
Q

How is vSphere Data Protection Advanced Licensed?

A

A separate license (per CPU) or included with vSphere with Operations Management Enterprise and Enterprise Plus Acceleration kits.

113
Q

Approximately how many virtual machines are protected per VDP Advanced virtual appliance?

A

200 virtual machines

114
Q

Approximately how many virtual machines are protected per VDP Advanced virtual appliance?

A

50 virtual machines

115
Q

Which VDP version is required for Microsoft SQL Server and Exchange Licenses?

A

VDP Advanced is required for Microsoft SQL Server and Exchange Licenses.

116
Q

What is the default VDP retention policy?

A

60 days.

117
Q

What type of de-duplication does VDP employ?

A

Variable Length Segment De-duplication

118
Q

What type of de-duplication do most other (non-VDP) backup tools employ?

A

Fixed Length de-duplication

119
Q

How many VDP Advanced appliances are supported per vCenter Server?

A

10 VDP Advanced appliances

120
Q

What are the VDP Advanced Appliance support maximums?

A

8TB of de-duplicated backup data storage capacity (deployed with 2TB initially and expandable by 2TB increments)

400 VM’s per VDP Advanced appliance

121
Q

What are the VDP Appliance support maximums?

A

8TB of de-duplicated backup data storage capacity

100 VM’s per VDP Advanced appliance

122
Q

Where must a VDP Advanced Appliance be deployed in order to support vSphere SCSI hot-add?

A

In the same cluster as the virtual machines being backed up.

123
Q

If a VDP Advanced Appliance is not deployed in the same cluster as the virtual machines being backed up, what feature is used instead of vSphere SCSI hot-add?

A

Network Block Device (NBD) transport.

124
Q

What are the major components for vSphere Update Manager?

A

(1) Update Manager Server
(2) Patch Database
(3) Update Manager plug-in
(4) Guest Agents
(5) Update Manager Download Service

125
Q

What are the VMkernel port types?

A

IP Storage, vMotion migration, vSphere Fault Tolerance, and Management

126
Q

What does benefit does the vSphere Distributed Switch Network Health Check provide?

A

Network Health Check helps to detect misconfigurations across physical and virtual switches.

127
Q

What does benefit does the vSphere Distributed Switch Configuration Backup provide?

A

Configuration Backup allows administrators to save and recover the network from previous configurations.

128
Q

What are the primary LACP limitations in vSphere 5.5?

A

Software iSCSI multipathing is not compatible.

No support for host profiles

One LAG per distributed port or port group

129
Q

What is the maximum number of LAGs per host and vSphere distributed switch

A

64 LAGs

130
Q

What functionality do PVLANs provide

A

Private VLANs are a way to provide layer 2 network isolation between servers in the same subnet.

131
Q

Virtual Machines in an isolated secondary private VLAN may not communicate with other virtual machines except?

A

Virtual machines in the promiscuous secondary private VLAN.

132
Q

Virtual Machines in a community secondary private VLAN may communicate with each other and what other virtual machines?

A

Virtual machines in the promiscuous secondary private VLAN.

133
Q

How much overhead does VXLAN add on top of each L2 frame?

A

50 bytes

134
Q

How many logical networks does VXLAN provide?

A

16M

135
Q

What hash distribution algorithm is required when using VXLAN with LACP

A

5-tuple hash distribution

136
Q

Which virtual appliance is required to deploy VXLAN

A

vShield virtual appliance

137
Q

What is the maximum number of storage controllers configurable for a virtual machine?

A

8 storage controllers can be configured per virtual machine, 4 SCSI and 4 SATA

138
Q

What are the maximum number of disks configurable for a virtual machine?

A

180 disks - 60 SCSI and 120 SATA disks.

139
Q

Can a SATA drive map to a RAW LUN?

A

No - SATA drives only map to a VMDK file. SCSI Drives can map to VMDK files and RAW LUNs.

140
Q

Can a SCSI drive map to a RAW LUN?

A

Yes - SCSI drives can map to VMDK files or RAW LUNs. SATA Drives however can only map to VMDK files.

141
Q

What are the maximum number of VMFS volumes configurable per host?

A

256 VMFS volumes can be configured per host.

142
Q

What are the maximum number of NFS datastores per host?

A

64 NFS datastores is the ceiling - but this must be configured beyond the default of 8 NFS datastores per host.

143
Q

What is the maximum size of a VMFS datastore?

A

64TB is the maximum VMFS datastore size for vSphere 5.5

144
Q

What is the minimum NFS version for ESXi to use NFS as a datastore?

A

NFS version 3 is required for ESXi to use NFS as a datastore.

145
Q

How many (maximum) hosts can connect concurrently to a single VMFS 5 volume

A

Up to 64 hosts may connect concurrently to a single VMFS 5 volume.

146
Q

Can an NFS share be mounted to non-vSphere systems while being accessed by an ESXi host?

A

Yes - this can simplify movement of file in or out of an NFS datastore.

147
Q

What is the default virtual disk provisioning mode for NFS volumes?

A

Virtual disks are thin-provisioned by default on NFS datastores.

148
Q

What is vSphere Flash Read Cache?

A

vSphere Flash Read Cache pools flash based devices into a single resource for write-through caching of VM I/O and swap.

149
Q

What are the two main components of vSphere Flash Read Cache?

A

vSphere Flash Read Cache is composed of two primary components (1) vSphere Flash Read Cache Software and (2) vSphere Flash Read Cache Infrastructure.

150
Q

What new feature replaces the Swap to SSD feature?

A

vSphere Flash Swap Cache replaces the Swap to SSD feature.

151
Q

Which client is required to configure vSphere Flash Read Cache?

A

The Web Client is required to manage vSphere Flash Read Cache.

152
Q

What are the boot device minimums for an ESXi 5.5 host?

A

A minimum of 1GB of storage is required. Booting from local or SAN storage requires a 5.2GB disk.

153
Q

What is the minimum size of a scratch partition for auto deploy scenarios?

A

A 4GB scratch partition is required and can be shared by multiple hosts from a single SAN LUN.

154
Q

What type of disk provisioning is required for Virtual Machines using the FT feature?

A

Eager-Zerod Thick Provisioned Disks

155
Q

What are the only two products that utilize Space Efficient Sparse Disks?

A

VMware View 5.1 and VMware Horizon View 5.x

156
Q

What type of virtual disk is not supported when using the newly introduced vSphere 5.5 62TB capacity disk?

A

Sparse disks are not currently supported with 62TB drives.

157
Q

What are the two major features of a Space Efficient Sparse Disk?

A

(1) SE Sparse Disks can reclaim storage space from deleted files within the guest OS
(2) Utilize granular block size allocation controlled by VM application

158
Q

What is the minimum and maximum size of a VMFS version 5 volume?

A

VMFS 5 volumes have a 1.3GB minimum and 64TB maximum.

159
Q

How many additional extents can be added to an existing VMFS datastore?

A

32 additional extents (of the same storage type) may be added to an existing VMFS datastore.

160
Q

What is the lowest version of VMFS supported by ESXi 5.5?

A

VMFS version 3 is the lowest version of VMFS supported by ESXi 5.5. VMFS 2 volumes must be first upgraded to version 3 before before upgrading them to VMFS 5.

161
Q

Does ESXi 5.5 support VMFS version 2 volumes?

A

No, VMFS version 2 volumes must be upgraded to VMFS 3 before upgrading to VMFS 5 directly.

162
Q

What is vSphere Fault Tolerance (FT)?

A

vSphere Fault Tolerance (FT) runs a virtual machine in lockstep simultaneously on two hosts. In the event that the primary host is lost, the secondary virtual machine takes over without interruption or loss of data.

163
Q

Describe how vSphere snapshots are implemented.

A

vSphere Snapshots are implemented using sparse disks with a Copy-On-Write mechanism that use to fill in the data in the sparse disk while the snapshot is in use.

164
Q

Can alarms be changed or overridden at the child level?

A

No - alarms cannot be overridden at the child level.

165
Q

What are the default datastore utilization thresholds for vSphere alarms?

A

vSphere will generate a warning at 75% utilization and an alert when the utilization exceeds 85%.

166
Q

What are the available RDM compatibility modes?

A

An RDM can be configured in Virtual or Physical mode

167
Q

Which RDM compatibility mode supports snapshots and file locking system for data protection

A

Virtual RDM

168
Q

Which RDM compatibility mode passes all SCSI commands directly to the device except for Report LUNs?

A

Physical RDM

169
Q

What is the maximum size of a virtual RDM?

A

62TB

170
Q

What is the maximum size of a physical RDM?

A

64TB

171
Q

What is VMDirectPath IO?

A

VMDirectPath IO provides a storage adaptor directly to a VM - this is incompatible with live migration (vMotion, HA, DRS) and snapshots.

172
Q

What is the maximum capacity of a 3-host vSphere 5.5 VSA cluster?

A

36TB

173
Q

Can an additional member be added to a running VSA cluster?

A

No

174
Q

How many 3TB drives can be used by a VSA appliance per ESXi host?

A

A VSA appliance may a maximum of 8 local drives with a capacity above 2TB and up to 3TB each

175
Q

How many 2TB (or less) drives can be used by a VSA appliance per ESXi host?

A

A VSA appliance may a maximum of 12 local drives or up to 16 disks in an expansion chassis with a capacity at less than 2TB each

176
Q

What is the effective total usable storage for a 3 node VSA cluster using 3TB drives?

A

27TB

177
Q

What is the effective total usable storage for a 3 node VSA cluster using 2TB or less drives?

A

36TB

178
Q

Can vCenter server be run from a VSA datastore?

A

Yes - but only when there are 3 hosts in the VSA cluster.

179
Q

What is the maximum speed provided by a SAS controllers

A

SAS controllers provide 6Gb transfer rates (approximately 600 MB/sec)

180
Q

Generally how many IOPs are delivered by 7.2K RPM SAS Drives

A

Approximately 75-100 IOPS

181
Q

Generally how many IOPs are delivered by 15K RPM SAS Drives

A

Approximately 210 IOPS

182
Q

What is the typical Bit Error Rate for SAS drives?

A

1 in 10^16

183
Q

What is the MTBF for SAS drives?

A

Approximately 1.6 million hours or 180 years.

184
Q

Generally how many IOPs are delivered by NL-SAS Drives?

A

50-100 IOPS

185
Q

Generally how many IOPs are delivered by SSD Drives?

A

Typically range from 5,000 to 750,000 IOPs

186
Q

What are the two Native Multipathing sub-Plug-in types

A

Storage Array Type Plug-ins (SATPs)

Path Selection Plug-ins (PSPs)

187
Q

What is the default thick provisioned disk type

A

Lazy Zero

188
Q

What setting must be configured in order to enable iSCSI path failover and load balancing?

A

Port Binding.

189
Q

What is the minimum vSphere License for Storage IO Control (SIOC)

A

Enterprise Plus

190
Q

What resources are managed by Storage DRS for a datastore cluster?

A

Capacity (storage utilization)

IOPS latency

191
Q

What are the VAAI Primitives for Block Storage?

A

ATS (Atomic Test and Set)

Clone Blocks/Full Copy/XCOPY

Write Same (Zero)

192
Q

What are the VAAI Primitives for NAS Storage?

A

Full File Clone

Native Snapshot Support

Extended Statistics

Reserve Space

193
Q

What are the VAAI Primitives for Thin Provisioning?

A

OOS Alarm/VM Stun

UNMAP

195
Q

What is the purpose of the block ATS (Atomic Test and Set) VAAI Primitive?

A

Replaces SCSI reservations and is used during file creation and locking.

196
Q

What is the purpose of the block Clone Blocks/Full Copy/XCOPY VAAI Primitive?

A

Copy or migrate data within the same physical array

197
Q

What is the purpose of the block Write Same (Zero) VAAI Primitive?

A

Used to zero out disk regions

198
Q

What is the purpose of the NAS Full File Clone Primitive?

A

Enables virtual disks to be cloned by the NAS device.

199
Q

What is the purpose of the NAS Native Snapshot Support Primitive?

A

Allows virtual machine snapshots to be offloaded to the NAS array.

200
Q

What is the purpose of the NAS Extended Statistics Primitive?

A

Enables visibility into space usage on NAS data stores and is useful for thin provisioning.

201
Q

What is the purpose of the NAS Reserve Space Primitive?

A

Enables creation of thick virtual disk files on NAS.

202
Q

What is the purpose of the thin provisioning OOS Alarm /VM Stun Primitive?

A

Allows reporting for out of space conditions on SCSI LUNS (similar to what NFS provides) when the LUNS are thin provisioned

203
Q

What is the purpose of the thin provisioning UNMAP Primitive?

A

Reclaim dead space (specified in block sized increments)

204
Q

What is vSphere Storage API - Storage Awareness (VASA)?

A

A set of APIs that permit arrays to integrate with vSphere and three types of information: storage topology, storage capability, and storage state

205
Q

What are the three VASA information types?

A

(1) storage topology,
(2) storage capability,
(3) and storage state

206
Q

Does FCOE support VASA vendor providers?

A

no

207
Q

What is profile driven storage?

A

Categorize data stores based on defined levels of service and ensure virtual machines are located on the appropriate tier of storage.

208
Q

What license is required for profile driven storage?

A

Enterprise Plus is required for profile driven storage.

209
Q

Is Transparent Page Sharing (TPS) enabled or disabled by default?

A

TPS is enabled by default.

210
Q

How many hosts can be utilized with a vSphere Essentials Plus license

A

The vSphere Essentials Plus license is limited to three (3) hosts.