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VCP 5.5 Delta > VCP55Dv2 > Flashcards

VCP55Dv2 Flashcards

1
Q

What is Indicated by the performance chart?

  • Host is I/O contrained
  • Guest Memory is overcommitted
  • Host memory is overcommitted
  • Guest is I/O constrained
A
  • Host is I/O contrained
  • Guest Memory is overcommitted
  • Host memory is overcommitted
  • Guest is I/O constrained
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2
Q

A vSphere administrator has created a Virtual SAN cluster with Automatic Mode Disk Goups. The cluster includes three ESXi hosts contributing one SSD and six SAS disks each. The administrator has four new ESXi hosts that boot from a Fibre Channel array and have no local disks attached. The four new hosts need additional shared storage but there is insufficient space on the fibre channel array. The hardware budget is limited.What can the administrator do to provide the needed storage for the lowest cost?

  • Add the four new hosts to the Virtual SAN Cluster and contribute the fibre channel disks to the Virtual SAN
  • Add the four new hosts to the Virtual SAN cluster and use the existing storage in the cluster
  • Add an SAS RAID controller to each of the new hosts. Attach one SSD and six SAS disks to each RAID controller and then add the four hosts to the Virtual SAN cluster
  • Add the four new hosts to the Virtual SAN Cluster and change to Manual Mode Disk Groups
A
  • Add the four new hosts to the Virtual SAN cluster and use the existing storage in the cluster

Explanation:
Host Requirements -
A minimum of three hosts contributing local disks, at least one SSD and one HDD, are required.
Install ESXi 5.5 or later on each host. You can add the hosts to the Virtual SAN cluster during initial setup of the cluster, or you can add hosts later.
The hosts must be managed by vCenter Server 5.5. Not all hosts need to have local storage. ESXi memory requirements: at least 6GB of RAM on each host.

Automatic Mode -
Virtual SAN claims all available and usable disks and organizes them into default groups with one SSD and one or multiple HDDs. If you add more disks to hosts or add new hosts to the Virtual SAN cluster, all applicable disks are claimed by Virtual SAN. Virtual SAN in automatic mode claims only local disks on the ESXi hosts in the cluster. You can add any remote nonshared disks manually.

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Storage > Working with Virtual SAN

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3
Q

Why would a vSphere administrator configure resource shares for a virtual machine?

  • To prioritze access to a resource during contention
  • To guarantee access to a resource during contention
  • To prioritize access to a resource at all times
  • To guarantee access to a resource at all times
A
  • To prioritze access to a resource during contention

Explanation:
Shares specify the relative importance of a virtual machine (or resource pool). If a virtual machine has twice as many shares of a resource as another virtual machine, it is entitled to consume twice as much of that resource when these two virtual machines are competing for resources.

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Resource Management > Configuring Resource Allocation Settings

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4
Q

An administrator decreases the CPU share value for two virtual machines in a DRS cluster from 1000 to 100 shares. The DRS cluster contains more resources than both virtual machines can consume. The characteristics of the VMs are listed below:

  • The second virtual machine is a clone of the first virtual machine.
  • Both VM’s are identical in every way.
  • Both VM’s are not attached to the IP network.
  • Both VM’s are powered on.What impact on the virtual machines performance will be observed?
  • The original VM will perform better than the clone when contention occurs.
  • The VM’s will have equal performance under normal conditions and reduced performance when contention occurs
  • The performance of the VM’s will reduce by a factor of ten once the share value is adjusted.
  • The VM’s will have equal performance under all conditions.
A
  • The VM’s will have equal performance under all conditions.

Explanation:
The important aspect is that “The DRS cluster contains more resources than both virtual machines can consume.” Therefore, there will never be contention (i.e. “competing for resources”)

Shares specify the relative importance of a virtual machine (or resource pool). If a virtual machine has twice as many shares of a resource as another virtual machine, it is entitled to consume twice as much of that resource when these two virtual machines are competing for resources.

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Resource Management > Configuring Resource Allocation Settings

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5
Q

An administrator is preparing to install an additional Single Sign-On node on a stand-alone server. What information is required during the installation routine?

  • Lookup Service URL
  • Partner Host Name
  • System DSN
  • Active Directory Domain name and credentials
A 
* Partner Host Name	

Explanation:
"
Procedure:

Step 6
Enter the information to point this additional node to the first vCenter Single Sign-On server.
Note - If the primary node is in a high-availability cluster, enter the address of the primary node load balancer.
a Enter the Partner host name. The partner host name is the DNS name of the existing vCenter Single Sign-On server to replicate from.
b Enter the password for the vCenter Single Sign-On administrator account of the existing vCenter Single Sign-On server (administrator@vsphere.local).”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Installation and Setup > Installing vCenter Server > Use Custom Install to Install vCenter Server and Required Components

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6
Q

Which action should an administrator take to increase the size of a VMFS5 datastore from 2TB to 32TB?

  • Dynamically expand the original LUN and increase the size of the VMFS datastore
  • Dynamically expand the original LUN and add a second share for the NFS datastore
  • Dynamically expand the original LUN and add extents to the VMFS datastore
  • Dynamically expand the orignal LUN and add extents to the NFS datastre
A
  • Dynamically expand the original LUN and increase the size of the VMFS datastore

Explanation:
The important aspect is the reference to “original LUN”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Storage > Working with Datastores > Understanding VMFS Datastores
and
http://kb.vmware.com/kb/1017662

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7
Q

An administrator notices that a Virtual Machine fails to start when right-clicking on the VM in the inventory and clicking Power->Power On. Which log file should the administrator check first to determine why the virtual machine will not start?

  • FDM.log
  • messages
  • vmkernel.log
  • vpxa.log
A
  • vmkernel.log

Explanation

“/var/log/vmkernel.log: Core VMkernel logs, including device discovery, storage and networking device and driver events, and virtual machine startup.”

Reference:
http://kb.vmware.com/kb/2032076

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8
Q

An administrator is using vSphere Replication to replicate a number of virtual machines to a recover site. The administrator plans on enabling Storage DRS on the production site, which is running vSphere 5.5. What changes must be made in order to support this configuration?

  • Disable Storage DRS on the virtual machines utilizing vSphere Replication
  • Storage DRS can be added to the existing configuration without any configuration changes
  • Change the Recovery Point Objective for the replicated virtual machines to support the additional synchronization time
  • Storage DRS cannot be used in conjunction with vSphere Replication
A
  • Storage DRS can be added to the existing configuration without any configuration changes

Explanation:

“You can move the disk files of a replicated virtual machine on the source site using Storage DRS with no impact on the ongoing replication.”

Reference:
vSphere Replication 5.5 Documentation > VMware vSphere Replication Administration > vSphere Replication System Requirements

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9
Q
  • Which two statements accurately describe the steps that are taken to recover a virtual machine using vSphere Replication (choose two.)
  • Upon recover, the virtual machine must be manually attached to a network
  • A recovery is initiated from the source site.
  • A recovery is initiated from the target site.
  • Upon recovery, the virtual machine is automatically attached to it’s configured network.
A
  • Upon recover, the virtual machine must be manually attached to a network
  • A recovery is initiated from the target site.

Explanation:
“Procedure Step 1
Log in to the vSphere Web Client for the target site.”

and Notes

“If a replicated virtual machine is attached to a distributed virtual switch and you attempt to perform a recovery in an automated DRS cluster, the recovery operation succeeds but the resulting virtual machine cannot be powered on. Edit the recovered virtual machine settings to attach it to the correct network.
vSphere Replication disconnects virtual machine network adapters to prevent damage in the production network. After recovery, you must connect the virtual network adapters to the correct network. If target host or cluster has no access to the DVS the virtual machine was configured with at the source site, manually connect the virtual machine to a network or other DVS to successfully power on the virtual machine.”

Reference:
vSphere Replication 5.5 Documentation > VMware vSphere Replication Administration > Performing a Recovery with vSphere Replication

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10
Q

During the installation of ESXi 5.5, the following error message is reported: “Hardware virtualization is not a feature of the CPU, or is not enabled in the BIOS.”Which condition would generate this message?

  • Hyperthreading is not enabled in the BIOS.
  • SSE3 is not enabled in the BIOS.
  • NX/XD is not enabled in the BIOS.
  • LAHF/SAHF is not enabled in the BIOS.
A
  • NX/XD is not enabled in the BIOS.

Explanation:
NX/XD is part of Hardware virtualization and cannot be enabled/disabled in BIOS.
LAHF/SAHF and SSE3 cannot be enabled in BIOS.
Hyperthreading has nothing to do with Hardware virtualization.
Reference:
“http://kb.vmware.com/kb/1003661”

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11
Q

Time Remaining, Capacity Remaining, and Stress are minor badges of which major badge in vCenter Operations Manager?

  • Workload
  • Effciency
  • Risk
  • Health
A
  • Risk

Explanation:
“The second major metric that vC Ops report is Risk. Risk is a combination of its three sub-metrics - Stress, Time Remaining and Capacity Remaining.”

Reference:
http://blogs.vmware.com/management/2014/04/david-davis-on-vcenter-operations-post-8-understanding-vcenter-operations-badges.html

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12
Q

When Deploying two sibling resource pools (RP1 and RP2), an administrator needs to make all resources in RP1 available to virtual machines in RP2.Which configuration should the administrator use to meet this requirement?

  • set the Limit of RP2 to Unlimited
  • Set the Limit of RP1 to Unlimited
  • Set the Reservation of RP1 to 0
  • Set the Reservation of RP2 to 0
A
  • set the Limit of RP2 to Unlimited

Explanation:
Setting a Unlimited Limit allows the RP to grab all parent resources

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Resource Management > Configuring Resource Allocation Settings

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13
Q

Ad administrator has configured hardware acceleration for a Fibre Channel storage array. After a recent maintenance event, the administrator finds that cloning and migration operations are taking excessively long to complete.Which two settings could cause hardware acceleration to become disabled? (Choose two.)

  • VAAI Plugin Name = VMW_VAAIP_SYM
  • VAAI Plugin Name = VMW_VAAIP_NETAPP
  • VMFS3.HardwareAcceleratedLocking = 0
  • Datamover.HardwareAcceleratedInit = 0
A
  • VMFS3.HardwareAcceleratedLocking = 0
  • Datamover.HardwareAcceleratedInit = 0

Explanation:

Reference:
http://kb.vmware.com/kb/1033665

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14
Q

A virtual machine has the following configuration:
* Thin Provisioned Virtual disks
* The VMFS datastore on which it resides is on a thin provisioned LUN.
* The storage array is VAAI-enabled
What is the behavior of the virtual machine when it encounters an out-of-space condition?
* It is powered off.
* It is suspended.
* It is gracefully shut down.
* It is converted to space-efficient sparse

A
  • It is suspended.

Explanation:
“If no space is left to allocate to the thin-provisioned LUN, the following actions take place:
a The storage array reports out-of-space condition to your host.
Caution: In certain cases, when a LUN becomes full, it might go offline or get unmapped from the host.
b The host pauses virtual machines and generates an out-of-space alarm.
You can resolve the permanent out-of-space condition by requesting more physical space from the storage administrator.”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Storage > Storage Thin Provisioning > Array Thin Provisioning and VMFS Datastores

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15
Q

What is the simplest baseline group combination an administrator could create to upgrade hosts, VMware tools,and virtual machine hardware to the latest versions using Update Manager?

  • One baseline group that contains the host upgrade baselines and one baseline group that contains the VM Hardware and VMware Tools upgrades baselines
  • One baseline group that contains the host upgrade and vCenter upgrade baselines
  • On baseline group that contains the Host, VMware tools and VM Hardware upgrade baselines
  • One baseline group that contains the Data Center upgrade baseline and one baseline group that contains the VM upgrade baseline
A
  • One baseline group that contains the host upgrade baselines and one baseline group that contains the VM Hardware and VMware Tools upgrades baselines

Explanation:
“Baseline groups can contain patch, extension, and upgrade baselines. The baselines that you add to a baseline group must be non-conflicting.”

Reference:
vSphere Update Manager 5 Documentation > Installing and Administering VMware vSphere Update Manager > Understanding Update Manager > About the Update Manager Process > Creating Baselines and Baseline Groups

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16
Q

An organization wants to ensure that if a host in High Availability (HA) cluster fails, critical virtual machines resume operation even if there are insufficient resources to continue to run all Virtual Machines in the cluster.Which HA setting should be configured to ensure the cluster operates as expected?

  • VM restart priority
  • Admission Control Policy
  • VM Monitoring sensitivity
  • das.CheckVmStateDelay
A
  • VM restart priority

Explanation:
“VM restart priority determines the relative order in which virtual machines are placed on new hosts after a host failure. Such virtual machines are restarted, with the highest priority virtual machines attempted first and continuing to those with lower priority until all virtual machines are restarted or no more cluster resources are available. “

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Availability > Creating and Using vSphere HA Clusters > How vSphere HA Works

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17
Q

A virtual machine is unable to communicate with another virtual machine. Both virtual machines are connected to the Production port group on the same virtual switch and are running on the same host. Which configuration is causing the inability of the virtual machines to communicate?

  • LLDP was enabled instead of CDP for the vSphere Distributed switch.
  • Promiscuous Mode has been set to Allow on the Production port gorup.
  • The Production port group is configured to use a secondary PVLAN.
  • The speed and duplex settings for the virtual machine vmnics do not match.
A
  • The Production port group is configured to use a secondary PVLAN.

Explanation:
The only one that makes sense is that the Secondary PVLAN is set to Isolated

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18
Q

The bandwidth between two sites is too slow to transfer large virtual machine files. The administrator needs to export a virtual machine to OVF to reduce the size of the transfer. When the administrator attempts to initiate the Export OVF Template feature, the selection is grayed out.What is the likely reason that the administrator is unable to select this option?

  • The virtual machine is not compatible with the OVF format.
  • There is not enough disk space on the destination for the OVF.
  • The virtual Machine is in a powered on state.
  • The administrator’s account does not have the correct privileges.
A
  • The virtual Machine is in a powered on state.

Explanation:
“Verify that the virtual machine is powered off.”

Reference:
Using VMware Workstation > Configuring and Managing Virtual Machines

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19
Q

A network auditing team has observed activity from a Virtual machine that may be an organization policy security breach. The vSphere administrator needs to stop network traffic from the virtual machine.Which step should the administrator take?

  • Enable Port Blocking on the vSphere Distributed Switches in the organization and block the port on which the virtual machine is connected.
  • Enable Port Blocking on each vSphere Distributed Switch portgroup in the organization, then block the port on which the vitual machine is connected.
  • Enable Port Blocking on the vSphere Standard Switches in the organzation and block the port on which the virtual machine is connected.
  • Enable Port Blocking on each vSphere Standard Switch portgroup in the organization, then block the port on which the virtual machine is connected.
A
  • Enable Port Blocking on each vSphere Distributed Switch portgroup in the organization, then block the port on which the vitual machine is connected.

Explanation:
The blocking policy is a per DVS no way to globally enforce.

Reference:
ESXi and vCenter Server 5.1 Documentation > vSphere Networking > Networking Policies

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20
Q

a vSphere administrator needs to increase the capacity of an existing Storage Distributed Resource Schedule (SDRS) datastore cluster. The storage administrator has provisioned two new NFS datastores to be added to the cluster. The vSphere administrator recieves and error message, preventing the administrator from adding the newly provisioned datastores to the cluster.What is the likely reason that the action failed?

  • The SDRS cluster has not been placed into maintenance mode.
  • The datastores in the existing cluster have hardware acceleration enabled and the new datastores do not.
  • The datastores in the SDRS cluster are VMFS datastores.
  • There are virtual machines running on the datastores being added to the cluster.
A
  • The datastores in the SDRS cluster are VMFS datastores.

Explanation:
“NFS and VMFS datastores cannot be combined in the same datastore cluster.”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Resource Management > Creating a Datastore Cluster

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21
Q

A customer needs to size a single backup appliance for backing up 3TB of data. There is no requirement for guest level backups of SQL and Exchange. What is the minimum VMware Data Protection solution and sizing that would fulfill the stated requirements?

  • VMware Data Protection Advanced with a 4TB backup appliance
  • VMware Data Protection with a 4TB backup appliance
  • VMware Data Protection Advanced with a 3TB backup appliance
  • VMware Data Protection with a 3TB backup appliance
A
  • VMware Data Protection Advanced with a 4TB backup appliance

Explanation:
“Support for 0.5 TB, 1 TB, or 2 TB of deduplicated backup data”

Reference:
http://kb.vmware.com/kb/2016565

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22
Q

An administrator of a secure environment needs to add an iSCSI target to a new ESXi host using the vSphere client. The administrator has configured discovery and performed a rescan operation, but the iSCSI target does not appear.What action should the administrator take for the target to appear in the vSphere client?

  • Configure appropriate CHAP authentication settings
  • Bind a VMkernel port ot the ISCSI initiator
  • Configure Jumbo Frames prior to adding ISCSI targets
  • Enable ISCSI in a vSphere Distributed Switch configuration
A
  • Configure appropriate CHAP authentication settings

Explanation:
“If the expected LUNs do not appear after rescan, access control might not be configured correctly on the storage system side:
If CHAP is configured, ensure that it is enabled on the ESXi host and matches the storage system setup.”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Troubleshooting > Troubleshooting Storage > Resolving SAN Storage Display Problems

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23
Q

The vSphere administrator needs to migrate a virtual machine from one ESXi 5.5 host to another ESXi 5.5 host. The virtual machine has a virtual disk that is stored in local storage.Assuming only the vSphere essentials licensing is in place, which technique should the administrator use to accomplish the migration?

  • Enhanced vMotion migration
  • vMotion migration
  • Cold migration
  • Storage vMotion migration
A
  • Cold migration

Explanation:
vSphere Essentials does not allow for Enhanced vMotion

Reference:
http://www.vmware.com/products/vsphere/compare

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24
Q

An administrator needs to export system logs for an ESXi 5.5 host to determine the root cause for a host performance issue. This host supports manifest-driven exports of system logs.Which manifest is selected by default during the export system log wizard?

  • Userworld
  • Hostworld
  • PerformanceSnapshot
  • HungVM
A
  • Userworld

Explanation:
Userworld is a default selection.

Reference:
http://kb.vmware.com/kb/653

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25
Q

A VMFS5 datastore shows several errors, which suggests file system corruption. Which tool could a vSphere administrator use to check the VMFS file system?

  • VMware vSphere Health Check Analyzer (VHCA)
  • vSphere Storage AIP’s for Storage Awareness (VASA)
  • VMware Infrasctructure Management Assistant (VIMA)
  • vSPhere On-Disk Metadata Analyzer (VOMA)
A
  • vSPhere On-Disk Metadata Analyzer (VOMA)

Explanation:
“In ESXi 5.1, VMware introduced the vSphere On-disk Metadata Analyzer (VOMA) for performing VMFS file system metadata checks. This utility scans the VMFS volume metadata and highlights any inconsistencies to which you may be required to open a support request.”

Reference:
http://kb.vmware.com/kb/2036767

26
Q

What should an administrator do to identify compliance for virtual machine storage performance?

  • Create a Storage Policy and apply it to the virtual machine
  • Create Storage Capabilities and and apply one or more capabilities to the virtual machine
  • Create a Storage Policy and apply it to the datastore containing the virtual machine
  • Create Storage Capabilities and apply one or more capabilities to the datastore containing the virtual machine
A
  • Create a Storage Policy and apply it to the virtual machine

Explanation:
“You can apply a storage policy to a virtual machine to specify storage requirements for applications that run on the virtual machine.”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Storage > About Virtual Machine Storage Policies > Understanding Virtual Machine Storage Policies

27
Q

An organization has a HA/DRS cluster containing a mixture of ESXi 4.1 and 5.5 hosts in the cluster. An ESXi 5.5 hos has failed and HA attempted but failed to restart the virtual machines on another host. HA admission control is disabled?What condition could result in this behavior?

  • HA failover is not supported between ESXi 5.5 and 4.1 hosts
  • vMotion migration is not supported between ESXi 5.5 and 4.1 hosts
  • Insufficient resources exist on the remoain ESXi hosts
  • A virtual machine has an incompatible hardware version
A
  • A virtual machine has an incompatible hardware version

Explanation:
“2. VMs with virtual hardware version 8 are not supported on pre-5.0 hosts.”

Reference:
http://blogs.vmware.com/vsphere/2011/10/mixing-esxesxi-versions-in-an-hadrs-cluster.html

28
Q

The following error displays during the final step of the configuration for a VMware High Availability (HA) cluster attached to five datastores:The number of heartbeat datastores for host is 0, which is less than required: 2What condition would cause this error?

  • The hosts in the cluster contain one or more datastores configured with a 1MB block size.
  • The hosts in the cluster do not have Storage DRS configured on one or more of their datastores.
  • One of the hosts in the cluster is not attached to the datastores planned for use with HA.
  • One of the hosts in the cluster has an invalid Storage Polcy configure on one or more of their datastores.
A
  • One of the hosts in the cluster is not attached to the datastores planned for use with HA.

Explanation:
“The datastore is not accessible by all hosts.”

Referenece:
http://kb.vmware.com/kb/2004739

29
Q

Which tool should an administrator use to modify vSphere Data Protection (VDP) backup jobs?

  • vSphere Client using the VDP plugin
  • vSphere Web Client
  • VAMI on the VDP Appliance
  • vSphere Management Appliance
A
  • vSphere Web Client

Explanation:
Only the vSphere Web Client allows you to modify VDP backup jobs.

Reference:
http://www.vmware.com/products/vsphere/features-data-protection

30
Q

The administrator needs to modify the problematic configuration shown in the exhibit to meet the following requirements:

  • Uplink ports must connect to a 2-port Etherchannel connection.
  • Traffic must pass, even in the even of a port failure.Which two configuration changes should the administrator make? (Choose two.)
  • Move both uplinks into the Active Uplinks
  • Move Uplink 1 into Active Uplinks and Uplink 2 into Standby Uplinks
  • Change the Load Balancing algorithm to Route based on physical NIC load
  • Change the Load Balancing algorithm to Route based on ip hash
A
  • Move both uplinks into the Active Uplinks
  • Change the Load Balancing algorithm to Route based on ip hash

Explanation:
These are the 2 requirements to support Etherchannel

Reference:
http://kb.vmware.com/kb/1004048

31
Q

What is the minimum virtual machine compatibility setting required for a virtual machine to run on a vSphere 5.5 host?

  • ESXi 3.0 and later
  • ESXi 4.1 and later
  • ESXi 5.1 and later
  • ESXi 3.5 and later
A
  • ESXi 3.5 and later
Explanation:
Version 4 (ESXi 3.5 and Later) is minimum

Reference:
http://kb.vmware.com/kb/2007240

32
Q

While shutting down a vApp for maintenance, a vSphere administrator determines that one of the virtual machines stays powered on. The administrator manually powers off the virtual machine inside the vApp.Which step should the administrator take to prevent the virtual machine from staying powered on in the future?

  • Change the Shutdown Action for the virtual machine to Excluded
  • Change the Shutdown Action for the virtual machine to Manual
  • Change the Shutdown Action for the virtual machine to Power Off
  • Change the Shutdown Action for the virtual machine to None
A
  • Change the Shutdown Action for the virtual machine to Power Off

Explanation:
Shutdown action must have been set to shut down guest

33
Q

Which steps should an administrator take to migrate existing ESXi 5.x virtual machines to a storage over-subscription model?

  • Right-Click the virtual machine, click Migrate, select a different datastore, and select Thin Provision
  • Right-Click the virtual machine, click Migrate, select the same datastore, and select Thin Provision
  • Right-Click the .vmdk file, and click Compress.
  • Right-Click the .vmdk file and click Deflate.
A
  • Right-Click the virtual machine, click Migrate, select a different datastore, and select Thin Provision

Explanation:
Storage vMotion to another datastore to convert to Thin (storage over-subscription)

34
Q

Which two network settings are available on a vSphere Standard Switch (Choose two.)

  • Ingress traffic shaping
  • Egress traffic shaping
  • Private Virtual Local Area Networks (PVLAN)
  • Virtual Local Area Networks (VLAN)
A
  • Egress traffic shaping
  • Virtual Local Area Networks (VLAN)

Explanation:
Ingress traffic shaping and PVLANs are only supported on DVS

35
Q

a vSphere administrator is administering a vSphere Distributed Switch port group using the vSphere web client. The port group was configured using Static binding, but the number of ports must increase as virtual machines are added to the port group.Which port allocation setting should the administrator use to achieve this goal?

  • Elastic
  • Dynamic
  • Fixed
  • Manual
A
  • Elastic

Explanation:
“Elastic: The default number of ports is set to eight. When all ports are assigned, a new set of eight ports is created. This is the default.”

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Networking > Setting Up Networking with vSphere Distributed Switches > Distributed Port Groups

36
Q

During the installation of ESXi, a vmkernel interface can be configured with what capabilities?

  • Management traffic, vMotion, Fault Tolerance logging and IP storage
  • Management traffic, vMotion and Fault Tolerance logging
  • Management traffic and vMotion
  • Management traffic
A
  • Management traffic

Explanation:
Only Management is available during installation

37
Q

An administrator needs to use guest OS clustering in a vSphere environment that uses a Fibre Channel SAN. The clustering software does not have a SCSI target or a SCSI command pass-through requirement.Which VMware storage type should the administrator use?

  • NFS
  • Virtual RDM
  • VMFS
  • Physical RDM
A
  • VMFS

Explanation:
No SCSI command pass-through (no RDM then) and FC (no NFS)

38
Q

An administrator needs to provide a report that shows how many virtual machines can be added to an existing vSphere environment.Which report within vCenter Operations Manager meets this requirement?

  • Virtual Machine Capacity Overview Report
  • Cluster or Host Capacity Inventory Report
  • Configured Host Capacity report
  • Virtual Machine Optimization Report
A
  • Cluster or Host Capacity Inventory Report

Explanation:
This is the only report that reports this info

39
Q

a vSphere administrator assigns VLAN 3389 to the Production port group on the VCP_DCV_Example vSphere Distributed Switch. After the change , users report a loss of connectivity to their applications. Further analysis provides the following data:

  • The cluster has not had a ESXi host failure.
  • Application functioned normally prior to the change.The loss of connectivity occurred immediately following the change.Which condition would cause this loss of connectivity?
  • The physical switch ports used by the vmnics have not been configured with 802.1Q.
  • Maintenance Mode was initiated on one of the hosts in the cluster. Connectivity will resume after the virtual machines are migrated.
  • All Uplinks were removed from the VCP_DCV_Example switch and added to another virtual switch.
  • A load balancing setting on the port group conflicts with the load balancing setting of the switch.
A
  • The physical switch ports used by the vmnics have not been configured with 802.1Q.

Explanation:
Physical ports to not have VLAN tagging (802.1Q) support

40
Q

An organization has a cluster of 6 ESXi hosts. Security policy requires that all administrative activity occurs through vCenter Server and not directly on the hosts.Which action should a system administrator take to enforce this policy?

  • Use the vSphere client to right-click on the cluster and select Enable lockdown mode on the ESXi hosts in the cluster.
  • use the vSphere client to navigate to the Security Profile of each ESXi host and enable lockdown mode.
  • Connect to the DCUI of each ESXi host and navigate the menus to the Troubleshooting Options and enable lockdown mode. Connect to the ESXi shell on each host and type the command service lockdown start
A
  • use the vSphere client to navigate to the Security Profile of each ESXi host and enable lockdown mode.

Explanation:
“Lockdown mode forces all operations to be performed through vCenter Server”

Reference:
http://kb.vmware.com/kb/1008077

41
Q

An administrator is setting up a new vSphere environment for application development with health monitoring and capacity management. The administrator has purchased three servers for the initial install. The administrator is NOT planning to grow the environment and needs to keep costs as low as possible.Which vSphere kit should the administrator use to meet these requirements?

  • vSphere with Operations Management Enterprise Acceleration Kit
  • Vsphere with Operations Management Standard Acceleration Kit
  • vSphere Essentials Plus Kit
  • vSphere Essentials Kit
A
  • Vsphere with Operations Management Standard Acceleration Kit

Explanation:
Costs low and not explanding, so Standard

Reference:
http://www.vmware.com/products/vsphere/compare.html

42
Q

An administrator needs to create an alarm to monitor when a specific ESXi host in an HA/DRS cluster becomes disconnected from other vSphere components like HA agents or the vCenter server.Which process must the administrator use to accomplish this? Define a Host type alarm, monitor for the condition Host Status Changed, and supply a specific label for each host. Define a Cluster type alarm, monitor for the event Cannot connect host, and supply a conditional trigger on Host name equal to a specific label. Define a Host type alarm , monitor for the event Cannot connect host, and supply a conditional trigger on Host name equal to a specific label. Define a Cluster type alarm, monitor for the event Host status changed, and supply a specific label for each host.

A
  • Define a Host type alarm , monitor for the event Cannot connect host, and supply a conditional trigger on Host name equal to a specific label.

Explanation:
Host type and specific to cannot connect to HA or vCenter

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Monitoring and Performance > Monitoring Events, Alarms, and Automated Actions > Set an Alarm in the vSphere Web Client

43
Q

An organization is designing a new vSphere cluster to support a new product implementation. The following challenges have been identified by the vSphere administration team:

  • The organization has the vSphere Enterprise License.
  • The network team needs to gather virtual machine network statistics over a long period of time.
  • The network team needs the ability to quickly assess virtual machine traffic in the event of an attack.
  • The network team has previously had problems implementing manual etherchannel configurations on their physical switches, resulting in production outages.The new cluster’s initial size is 15 hosts. The organization is willing to upgrade to vSphere Enterprise Plus licensing if it addresses these challenges.Which three features of a version 5.5 vSphere distributed Switch would address these challenges? (Choose three.)
  • Network I/O Control
  • Network vMotion
  • LACP in Dynamic Mode
  • Port Mirroring
  • Private VLAN’s
A
  • Network vMotion
  • LACP in Dynamic Mode
  • Port Mirroring
Explanation:
* Network vMotion	
Quickly Assess VM traffic
* LACP in Dynamic Mode
Issues with manual etherchannel	
* Port Mirroring
Gather vm network stats
44
Q

An administrator needs to unmount a datastore that is also used for HA storage heartbeats.What is the least disruptive method for an adminstrator to perform this activity on a slave HA host?

  • On the Datastore Heartbeating tab, unmount the datastore normally and confirm a new datastore has been selected.
  • On the datastore Heartbeating tab, specify an alternate datastore, then unmount the datastore normally.
  • Disable HA datastore heartbeats, then unmount the datastore.
  • Reduce the number of heartbeat datastores, then remote the datastore from the heartbeat list.
A
  • On the datastore Heartbeating tab, specify an alternate datastore, then unmount the datastore normally.

Explanation:
Need to specify alternative datastore for heartbeating

Reference:
ESXi and vCenter Server 5 Documentation > vSphere Availability > Creating and Using vSphere HA Clusters > How vSphere HA Works

45
Q

Which Single Sign-On deployment mode should an administrator use for two 5.x vCenter Servers configured with Linked mode?

  • Single Sing-On with Linked Mode
  • Multisite Single Sign-On
  • Basic Single Sign-On with vCenter Server Heartbeat
  • Basic Single Sign-On
A
  • Multisite Single Sign-On

Explanation:
Multisite SSO required for Linked Mode

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Installation and Setup > Before You Install vCenter Server

46
Q

To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?

  • Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
  • Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=10
  • Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
  • Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
A
  • Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=10

Explanation:
“On the computer where the vSphere Web Client is installed, locate the webclient.properties file.”

“vCenter Server Appliance
/var/lib/vmware/vsphere-client”

Reference:
ESXi and vCenter Server 5.1 Documentation > vCenter Server and Host Management > Using the vSphere Web Client

47
Q

A large medical institute needs to centralize malware and anti-virus scanning in its environment.Which vSphere component will satisfy this requirement?

  • vShield Endpoint
  • vCloud Network and Security
  • vSphere Data Protection Advanced
  • vCenter Operations Manager
A
  • vShield Endpoint

Explanation:
Just needs malware and AV

Reference:
http://www.vmware.com/products/vsphere/features-endpoint

48
Q

An administrator is planning a vSphere Fault Tolerance Implementation for 6 virtual machines. Which two virtual disk types are supported with FT? (Choose two.)

  • Virtual Disk thick provisioned, lazy zeroed
  • Virtual Disk thick provisioned, eager zeroed
  • Raw Device Mapped LUN configured for Physical Compatibility Mode
  • Raw Device Mapped LUN configured for Virtual Compatibility mode
A
  • Virtual Disk thick provisioned, eager zeroed
  • Raw Device Mapped LUN configured for Virtual Compatibility mode

Explanation:
Only supported disks by FT is RDM Virtual and EZ thick

49
Q

An administrator determines that a vSphere Standard Switch is dropping all inbound frames to a specific virtual machine. The behavior appeared in the last two days.Which configuration setting, if changed during this timeframe, would result in this behavior?

  • MAC address changes
  • Forged Transmit
  • Traffic Shaping
  • Jumbo Frames
A
  • MAC address changes

Explanation:
“ you set the MAC Address Changes to Reject and the guest operating system changes the MAC address of the adapter to anything other than what is in the .vmx configuration file, all inbound frames are dropped”

References:
ESXi and vCenter Server 5.1 Documentation > vSphere Networking > Networking Policies > Security Policy

50
Q

Which information can the administrator use to identify iSCSI nodes?

  • LUN ID
  • IQN
  • MAC address
  • WWN
A
  • IQN

Explanation:
iSCSI Qualified Name is used to identify iSCSI nodes

Reference:
vSphere 4.1 - ESX and vCenter > iSCSI SAN Configuration Guide > Using ESX/ESXi with an iSCSI Storage Area Network > iSCSI SAN Concepts

51
Q

Which database platform is embedded within the vApp architecture of vCenter Operations Manager?

  • vPostgres
  • IBM DB2 Express
  • MySQL
  • Oracle 11g Express
A
  • vPostgres

Explanation
vPostgres is the embedded DB on the vApp

52
Q

a vSphere administrator enables and configures a Software iSCSI Initiator , and configures an iSCSI vmkernel portgorup with Port Binding. The SAN administrator creates a few LUNs on an iSCSI server however, when the vSphere administrator adds the IP address of the iSCSI server in the Dynamic Discovery list, no iSCSI targets ae detected.Which condition would result in this behavior?

  • The iSCSI server IP address should be entered in the Static Discovery instead of Dynmaic Discovery list.
  • The iSCSI vmkernel portgroup and the iSCSI server are on different subnets.
  • The network card bound to the iSCSI portgroup is 1Gbps Ethernet instaed of 10Gbps.
  • a Software iSCSI initiator cannot use Port Binding in conjunction with Dynamic Discovery.
A
  • The iSCSI vmkernel portgroup and the iSCSI server are on different subnets.

Explanation:
For port binding to work correctly, the initiator must be able to reach the target directly on the same subnet – iSCSI port binding in vSphere 5.0 does not support routing.

Reference:
http://blogs.vmware.com/vsphere/2011/08/vsphere-50-storage-features-part-12-iscsi-multipathing-enhancements.html

53
Q

An administrator receives notice of a large number of ARP table issues. The issues began after a maintenance window 36 hours ago. The issue did not exist prior to the maintenance window.Which change was made to the port group that is causing the ARP table issue?

  • Network failure detection was changed to Link status only.
  • Fallback was changed to Yes.
  • Uplink 2 was changed from Standby to Active.
  • Notify Switches was changed to No.
A
  • Notify Switches was changed to No.

Explanation:
No more notify causes ARP issues

Reference:
http://rickardnobel.se/vswitch-notify-switches-setting/
(Unofficial Reference)

54
Q

What will cause the validation of a vMotion migration to fail?

  • A Virtual machine configured for CPU affinity
  • A Virtual machine configured with a local .vswp file
  • A Virtual Machine configued to use NUMA
  • A Virtual machine configued with a shared Raw-Device Mapped Disk
A
  • A Virtual machine configured for CPU affinity

Explanation:
“o workaround the issue you must ensure that there is no CPU affinity configured for the virtual machine.”

Reference:
http://kb.vmware.com/kb/1003842

55
Q

Which minor badge items make up the Efficiency badge score for an ESXi host in a vCenter Operations Manager?

  • Workload, Anomalies, Faults
  • Worldload, Stress, Density
  • Time Remaining, Capacity Remaining
  • Reclaimable Waste, Density
A
  • Reclaimable Waste, Density

Reference:
http://blogs.vmware.com/management/2014/04/david-davis-on-vcenter-operations-post-8-understanding-vcenter-operations-badges.html

56
Q

A VMware administrator needs to simplify the placement of virtual machines. The administrator also needs to balance I/O load and space utilization automatically.Which Combination of features should the administrator use to achieve this?

  • Enable Storage DRS and Storage I/O control on each datastore
  • Create a Datastore Cluster and enable Storage DRS on the cluster
  • Create a Datastore Cluster and enable Storage I/O Control on each datastore
  • Enable Storage I/O control on each datastore and configure Storage vMotion
A
  • Create a Datastore Cluster and enable Storage DRS on the cluster

Explanation:
“Storage DRS allows you to manage the aggregated resources of a datastore cluster. When Storage DRS is enabled, it provides recommendations for virtual machine disk placement and migration to balance space and I/O resources across the datastores in the datastore cluster.”

Reference:
ESXi and vCenter Server 5.1 Documentation > vSphere Resource Management > Creating a Datastore Cluster

57
Q

a VMware administrator needs to export a vApp and create a self-contained package that has a single file.Which format should the administrator use?

  • Export as ISO
  • Export as ZIP
  • Export as OVA
  • Export as OVF
A
  • Export as OVA

Explanation:
OVA is a single file where OVF is a collection of files

58
Q

a vSphere administrator needs the ability to adjust the amount of guaranteed physical CPU and Memory resource to a virtual machine without incurring application downtime.Which actions must the administrator perform?

  • Adjust the CPU and Memory reservation sliders on the virtual machine.
  • Adjust the CPU reservation slider and click the Reserve All Guest Memory checkbox.
  • Adjust the number of CPUs and the Memory Configuration for the virtual machine.
  • Enable CPU hotplug and Memory hotplug on the virtual machine.
A
  • Adjust the CPU and Memory reservation sliders on the virtual machine.

Explanation:
The reservations allow for guaranteed CPU and Memory

Reference:
ESXi and vCenter Server 5.5 Documentation > vSphere Resource Management

59
Q

An administrator is creating a vApp for a multi-tiered application and needs to configure custom startup actions for each virtual machine.What should the administrator do to enable this functionailty?

  • Verify that VMware Tools is installed on each virtual machine in the vApp.
  • Ensure all virtual machines in the vApp are running hardware version 8 or later.
  • Configure custom startup actions on the virtual machines, then add them to the vApp.
  • Deploy a vSphere Management Assistant in the cluster and enable the vApp plug-in.
A
  • Verify that VMware Tools is installed on each virtual machine in the vApp.

Reference:
ESXi and vCenter Server 5 Documentation > vSphere Virtual Machine Administration > Managing Multi-Tiered Applications with vSphere vApp > Edit vApp Settings in the vSphere Web Client

60
Q

The current block size of a datastore in VMFS3 is 4MB. An administrator needs to upgrade the datastore to VMFS5 and wants to change it to 1MB block size.Which action should the administrator take?

  • Upgrade the datastore to VMFS 5. Select the 1MB block size option during the upgrade.
  • Create a new VMFS5 datastore with a 1MB block size. Migrate all the virtual machines from the existing datastore to the new datastore, then delete the VMFS3 datastore.
  • Upgrade the datastore to VMFS5. Use vmkfstools to change the block size on the upgrade datastore.
  • Create a new VMFS5 datastore with a 1MB block size. Migrate all virtual machines from the existing datastore to the new datastore.
  • Upgrade the Virtual machine hardware on the migrated VMs, then delete the VMFS datastore
A
  • Create a new VMFS5 datastore with a 1MB block size. Migrate all the virtual machines from the existing datastore to the new datastore, then delete the VMFS3 datastore.

Explanation:
In order to use 1MB block size it must not be an upgraded VMFS and the upgraded VMFS will use the original block size.

Reference:
http://kb.vmware.com/kb/2003813

VCP 5.5 Delta (2 decks)

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