Which of these factors indicates a high likelihood that the performance of a virtual machine disk is being constrained by disk I/O?
-
A
A large number of commands issued
-
B
A high device latency value
-
C
-
D
A large number of kilobytes read and written
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Close answer details
Correct answerB
ExplanationExplanation: Disk performance bottlenecks are usually due to either Disk queue length or Disk Latency
Question 2
Multiple choice
Which three Storage I/O Control conditions might trigger the Non-VI workload detected on the datastore alarm? (Choose three.)
-
A
The datastore is connected to an ESX/ESXi 4.0 host that does not support Storage I/O Control.
-
B
The datastore is on an array that is performing system tasks such as replication.
-
C
The datastore is utilizing active/passive multipathing or NMP (Native Multi-Pathing).
-
D
The datastore is storing virtual machines with one or more snapshots.
-
E
The datastore is connected to an ESX/ESXi 4.0 host that is not managed by vCenter.
Reveal answer details
Close answer details
Correct answersA, B, E
ExplanationExplanation: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020651 http://pubs.vmware.com/vsphere-50/topic/com.vmware.vsphere.troubleshooting.doc_50/GUID-38F95285-DB4F-462F-AFD7-0F4D812B085F.html
An administrator is creating a virtual machine that will be running Windows 2008 Enterprise (64-bit). The application to be installed in the virtual machine requires eight vCPUs to run effectively. During installation, the only available options are one, two, three, or four vCPUs. What condition explains the available vCPU selections?
-
A
The virtual machine hardware version is 8.
-
B
The guest operating system for the virtual machine is 64-bit.
-
C
The ESXi host has two non hyperthreaded dual-core CPUs.
-
D
The ESXi host has two hyperthreaded dual-core CPUs.
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Close answer details
Correct answerC
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1010184
Which memory conservation technique collaborates with the server to reclaim pages that are redundant in a virtual machine or virtual machines?
-
A
-
B
-
C
-
D
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Close answer details
Correct answerB
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1021095
Question 5
Multiple choice
An administrator plans to deploy ESXi 5.x, but does not want to use CD or DVD media. What are two alternate ways to provide the ESXi 5. x installation script to the host? (Choose two.)
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answersB, C
ExplanationExplanation: ESXi 5.x allows you to use FTP and HTTP to provide installations script to the host if you don't want to use DVD or other media.
A database administrator has reported periodic poor performance on a particular virtual machine. The virtual machine administrator has noticed a significant drop in performance when utilized memory exceeds 1GB. What does this indicate and what could be checked next?
-
A
The application problems are definitely due to a non-memory-related problem. CPU affinity settings should be checked for this virtual machine.
-
B
The application problems are definitely due to a non-memory-related problem. CPU utilization should be checked next, using Windows Task Manager.
-
C
The virtual machine might not have physical memory available. Compression and swap activity on the ESXi host should be checked next.
-
D
The virtual machine might not have physical memory available. Ensure the memory limit on the VM is set to 0 MB.
Reveal answer details
Close answer details
Correct answerC
ExplanationExplanation: If the performance degrades when the memory exceeds the allocated value, the virtual machine might not have physical memory available. Check compression and swap activity on ESXi host to see where the additional memory is going.
How can you verify vStorage APIs for Array Integration (VAAI) is enabled?
-
A
"VAAI" listed on the Hard Disk properties page for any VMDK stored on a compliant array
-
B
"Hardware Acceleration" listed on the Hard Disk properties page for any VMDK stored on a compliant array
-
C
"VAAI" column for any datastore created on a compliant array
-
D
"Hardware Acceleration" column for any datastore created on a compliant array
Reveal answer details
Close answer details
Correct answerD
ExplanationIf you go to Host > Configuration > Storage, you can see the Hardware Acceleration Status in the panel on the right side. For each storage device and datastore, the vSphere Client displays the hardware acceleration support status in the Hardware Acceleration column of the Devices view and the Datastores view. References: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1021976
An administrator is upgrading an ESXi 3.5 host to ESXi 5.x with an intermediate upgrade to 4.0 using Update Manager. The host has a single Intel Xeon processor, 4GB of RAM, and a VMFS datastore on a private, SAN-attached LUN. What might cause the upgrade to be unsuccessful?
-
A
The ESXi host has 4GB RAM.
-
B
The ESXi host has one processor.
-
C
ESXi 3.5 is not supported for upgrade.
-
D
Update Manager cannot upgrade a previously upgraded host.
Reveal answer details
Close answer details
Correct answerC
ExplanationReferences: http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.upgrade.doc_50%2FGUID-AA106086-E10D-456E-B0B9- 340D3D1462C3.html
Question 9
Multiple choice
A DRS cluster with two ESXi 5.x hosts is set to fully automated mode. One host in the cluster is running at 98% CPU utilization. The other host is running at 52% utilization. Upon analysis, it appears that none of the virtual machines are being migrated from the CPU-constrained host, and no recommendations are being generated. What are the two most likely causes of the problem? (Choose two.)
-
A
The VMkernel port is assigned an incorrect IP adderss.
-
B
vMotion is not enabled on the VMkernel port.
-
C
The DRS Migration Threshold is too aggressive.
-
D
VMware DRS is not set to Fully Automated.
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Close answer details
Question 10
Single choice
A vSphere 5 implementation consists of a fully automated DRS cluster with two ESXi 5.x hosts with the following vSphere Standard Switch configuration. 1. Switch A. three vmnics, one port group named sFTP-PG 2. Switch B. two vmnic, one port group named Web-PG 3. All vmnics are trunked to the same physical switch. DRS has been configured with an anti-affinity rule for all virtual machines in the Web-PG so that no more than half of the virtual machines run on any given host. The virtual machines on WebPG are experiencing significant network latency. The network team has determined that a performance bottleneck is occurring at the ESXi host level. Which solution will require the least amount of administrative work and the least amount of service interruption?
-
A
Migrate Web-PG to Switch A and sFTP-PG to Switch B on each host
-
B
Move a vmnic from Switch A to Switch B on each host
-
C
Convert the three Switch Bs to a single vSphere Distributed Switch
-
D
Use vMotion to redistribute some of the VMs in Web-PG to a different ESXi host
Reveal answer details
Close answer details
Correct answerB
ExplanationExplanation: Let us examine this is a problem with resource contention on a NIC on a host. VDS WILL NOT fix the problem because dvuplinks are the same as uplinks on the ESX host experiencing a problem. VMotion should not be a solution, DRS already has VMotion and knows where to place VMs using defined rules.
Question 11
Single choice
Click the Exhibit button.  An administrator has been tasked with adding a newly installed uplink to vSwitch1. Based on the exhibit, what is a true statement about this environment?
-
A
The server does not have available vSwitches to be assigned to this uplink.
-
B
The available uplinks are not compatible with a standard vSwitch.
-
C
The host needs a driver installed for the newly installed uplink.
-
D
The current uplinks cannot be attached because they are in use by other port groups.
Reveal answer details
Close answer details
Correct answerC
ExplanationExplanation: as you can see that the Next button is greyed out. This means the host needs driver installed on the newly installed uplink. Once the driver in installed, the Next button will become active.
Question 12
Multiple choice
Which are three of the steps recalled patches automatically go through in vSphere Update Manager? (Choose three.)
-
A
Delete recalled patch binary from repository
-
B
Remediate any host with recalled patches
-
C
Generate a notification in the notification tab
-
D
Place hosts with recalled patches in maintenance mode
-
E
Flag recalled patch in database
Reveal answer details
Close answer details
Correct answersA, C, E
ExplanationReferences: http://www.dianaromeo.info/virtualizacion/vmware/vsphere/update-manager
Question 13
Multiple choice
On which two vSphere elements can traffic shaping be configured? (Choose two.)
-
A
On a vSphere Distributed Switch dvPort for inbound and/or outbound traffic
-
B
On a vSphere Distributed Switch for inbound and/or outbound traffic
-
C
On a vSphere Standard Switch port group or the entire vSwitch for inbound traffic
-
D
On a vSphere Standard Switch port group or the entire vSwitch for inbound and outbound traffic
Reveal answer details
Close answer details
Correct answersA, B
ExplanationReferences: http://pubs.vmware.com/vsphere-4-esxi-installable-vcenter/topic/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_config/advanced_networking/t_edit_dvport_policy_traffic_shaping.html
Question 14
Multiple choice
The storage administrator has recommended testing the performance benefits of jumbo frames and enabled jumbo frames on the storage array. The VMware administrator has enabled jumbo frames on the VMkernel port used for the software iSCSI initiator. What other two components must be modified to enable jumbo frames support for the software iSCSI initiator? (Choose two.)
-
A
-
B
-
C
-
D
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Close answer details
Correct answersA, D
ExplanationReferences: http://www.interworks.com/blogs/kculwell/2010/01/29/enabling-jumbo-frames-vmware-esx-4
Question 15
Multiple choice
Which three modules are optional components that can be added from the vCenter Server installer? (Choose three.)
-
A
VMware vCenter Syslog Collector
-
B
VMware vCenter License Server
-
C
VMware vSphere Authentication Proxy
-
D
VMware vCenter Host Update Utility
-
E
VMware vSphere Auto Deploy
Reveal answer details
Close answer details
Correct answersA, C, E
ExplanationReferences: http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.install.doc_50%2FGUID-78933728-7F02-43AF-ABD8- 0BDCE10418A6.html ( see optional components)
Question 16
Multiple choice
Which two statements are true about the share value for a virtual machine after it has been added to a resource pool? (Choose two.)
-
A
If a previously defined custom share value exists, the totals shares in the pool should be evaluated to maintain the expected performance.
-
B
If a previously defined custom share value exists, the %Shares value will automatically be adjusted relative to the total number of shares in the pool.
-
C
If a previously defined share level (high, medium, low) exists, the %Shares value is changed to Custom and the previous value is retained.
-
D
If there are no other objects in the pool the share value is irrelevant.
Reveal answer details
Close answer details
Correct answersA, D
ExplanationReferences: http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-D1DEFECE-7C3D-4A01-9064-35B9E391B58A.html
Question 17
Single choice
Which type of port on a secondary private VLAN can communicate with promiscuous ports and other ports that share its VLAN tag?
-
A
-
B
-
C
-
D
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Close answer details
Correct answerC
ExplanationReferences: http://pubs.vmware.com/vsphere-55/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-55-networking-guide.pdf
Question 18
Multiple choice
What are the three service offerings provided by a VMware-powered public cloud? (Choose three.)
-
A
-
B
-
C
-
D
-
E
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Close answer details
Correct answersA, C, E
ExplanationReferences: http://www.vmware.com/files/pdf/cloud/VMware-ServiceDef-Public-Cloud- 11Q1-White-Paper.pdf (page 6, see service offerings)
Question 19
Single choice
In vSphere, a bound physical NIC can be configured to transmit and receive jumbo frames. What is the default maximum transmission unit (MTU) in vSphere?
-
A
-
B
-
C
-
D
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Close answer details
Correct answerA
ExplanationReferences: http://www.experts-exchange.com/Software/VMWare/A_9132-HOW-TO-Enable-Jumbo-Frames-on-a-VMware-vSphere-Hypervisor-ESXi-5-0-host- server-using-the-VMware-vSphere-Client.html (search for default MTU (Frame) size)
Question 20
Multiple choice
Click the Exhibit button.  For the selected item, what two properties could the storage administrator use to create a zone? (Choose two.)
-
A
-
B
-
C
fc.2000001b321314a7.2100001b321314a7
-
D
Reveal answer details
Close answer details
Correct answersA, D
ExplanationExplanation: Fibre channel adapter and target needs to be used to create a zone.
Question 21
Single choice
Which VMware solution uses the security of a vSphere implementation and provides linked-clone technology to virtual desktops?
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answerB
ExplanationExplanation: References: http://www.vmware.com/files/pdf/VMware-View-4-Composer-DS-EN.pdf (page 1, last paragraph)
Question 22
Multiple choice
Which two conditions will cause a vMotion validation check to fail? (Choose two.)
-
A
An active connection that matches an existing port group label on the target host
-
B
Insufficient network bandwidth on the target virtual switch
-
C
Different security policies on the target virtual switch
-
D
An active connection to an internal virtual switch
Reveal answer details
Close answer details
Correct answersB, D
ExplanationReferences: http://www.datadisk.co.uk/html_docs/vmware/vmotion.htm * there are different security policies on the target virtual switch ("Inconsistent security settings on a vSwitch/port group, if you have mismatched settings vMotion will error") there is an active connection to an internal virtual swicth ("Active connections - that use an internal switch, by active I mean that the VM is configured and connected to the same internal switch.")
Question 23
Multiple choice
Which types of devices can be connected to a virtual machine during a vMotion migration? (Choose two.)
-
A
SCSI pass-through devices connected to the ESXi 5 host.
-
B
NFS mounts inside of the guest.
-
C
USB pass-through devices connected to the ESXi 5 host.
-
D
ISO images connected using the vSphere 5 client.
Reveal answer details
Close answer details
Correct answersB, C
ExplanationReferences: http://pubs.vmware.com/vsphere-4-esx-vcenter/topic/com.vmware.vsphere.vmadmin.doc_41/vsp_vm_guide/configuring_virtual_machines/ t_add_a_passthrough_usb_device_to_vm.html
Question 24
Multiple choice
What are two reasons creating a host profile could fail? (Choose two.)
-
A
Selecting a VMware Infrastructure 3.5 host
-
B
The host selected is currently in maintenance mode
-
C
Special characters were used when naming vSphere objects
-
D
Evaluation Licenses are being used
Reveal answer details
Close answer details
Correct answersA, C
ExplanationExplanation: If you select VMware Infrastructure 3.5 host, the host profile will fail definitely. If you use special characters in naming vSphere objects, host profile creation will fail. Special characters are prohibited when naming vSphere objects.
Question 25
Single choice
Click the Exhibit button.  An administrator has implemented a new vSphere 5 environment and is deploying their first Windows 2008 R2 template. When running the Deploy Template wizard, the error shown in the exhibit appears. What can be done to correct the problem?
-
A
Select the correct guest OS setting for the virtual machine.
-
B
Windows 2003 x64 cannot be customized.
-
C
Download and install the Microsoft Sysprep tool into the virtual machine to be customized.
-
D
Download the Microsoft Sysprep tool to the appropriate vCenter Server directory.
Reveal answer details
Close answer details
Correct answerA
Explanationhttp://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1005593
Question 26
Multiple choice
Which two vCenter plug-ins are installed with a default vSphere Client installation? (Choose two.)
-
A
-
B
VMware ESXi Service Status
-
C
VMware vSphere Update Manager
-
D
VMware vCenter Storage Monitoring Service
Reveal answer details
Close answer details
Correct answersA, D
ExplanationReferences: http://pubs.vmware.com/vsphere-51/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-51-host-management-guide.pdf (page 19, first para)
Question 27
Single choice
What is one requirement when adding an extent to a VMFS datastore?
-
A
-
B
An RDM with sufficient space available
-
C
An unused iSCSI or FCP LUN
-
D
Free space on the LUN holding the VMFS datastore
Reveal answer details
Close answer details
Correct answerC
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1017662
Question 28
Single choice
What Windows security object is granted the vCenter Server administrator role during installation?
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answerC
ExplanationReferences: http://pubs.vmware.com/vsphere-4-esxi-installable-vcenter/index.jsp?topic=/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_config/authentication_and_user_management/c_administrator.html
Question 29
Single choice
Users are experiencing performance issues when updating their database hosted on a virtual machine. The administrator determines that disk I/O is high across one of the HBAs on the ESXi host containing the virtual machine. What is the action will most likely correct the issue without significantly impacting other users or datastores?
-
A
Manually configure the disk multipathing policy to Round Robin for the datastore
-
B
Migrate the virtual machine to an NFS datastore using Storage vMotion
-
C
Use Storage vMotion to migrate the virtual machine to a new VMFS5 datastore
-
D
Map additional LUNs to the ESXi host and extend the datastores
Reveal answer details
Close answer details
Correct answerA
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2000552
Question 30
Single choice
What is a benefit of vCenter Linked-Mode?
-
A
Allows the vCenter Server Virtual Appliance (vCSA) to manage multiple sites
-
B
-
C
Increases vCenter security
-
D
Increases vCenter reliability
Reveal answer details
Close answer details
Correct answerB
ExplanationReferences: http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.vcenterhost.doc_50%2FGUID-EC40636E-0DD4-4A17- B163-5CFBDC31666C.html
Question 31
Single choice
A mid-size company with a vSphere 5 cluster wants to enable their helpdesk staff to be able to acknowledge alarms on the hosts. Currently the group "HelpDesk" has the Read-only role assigned to the Cluster object. Which action should the administrator perform?
-
A
Enable Propagate to Child Objects on the current permission.
-
B
Move the current permission to the Datacenter object.
-
C
Add the Alarms - Acknowledge Alarm privilege to the current role and enable "Propagate to Child Objects"
-
D
Clone the role, add the Alarms - Acknowledge Alarm privilege, replace the current role.
Reveal answer details
Close answer details
Correct answerD
ExplanationReferences: http://pubs.vmware.com/vsphere-50/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-501-privileges.pdf
Question 32
Multiple choice
Which two features secure the VMkernel? (Choose two.)
-
A
-
B
Hardware assist virtualization
-
C
-
D
Trusted Platform Module (TPM)
Reveal answer details
Close answer details
Correct answersC, D
ExplanationReferences: http://searchvmware.techtarget.com/tip/VMware-ESXi-security-Protecting-VMs-VMkernel-and-the-network (see `Guard the VMkernel')
Question 33
Single choice
An administrator is creating a vSphere Standard Switch with virtual machine and VMkernel networking. The administrator has two uplinks attached to the switch and wants to make sure multiple sessions for a virtual machine can utilize both uplinks. Which load-balancing policy will guarantee this requirement is met, even if additional management or virtual machine traffic is added to the switch in the future?
-
A
-
B
Route based on source MAC hash
-
C
Route based on the originating port ID
-
D
Reveal answer details
Close answer details
Correct answerA
ExplanationReferences: http://www.vmware.com/files/pdf/virtual_networking_concepts.pdf (page 8, see route based on IP hash)
Question 34
Multiple choice
An administrator is setting up vSphere Auto Deploy to deploy 25 ESXi 5.x hosts using the vCenter Server Virtual Appliance (vCSA). What would be considered best practices for Auto Deploy? (Choose three.)
-
A
Enable vSphere HA on the cluster.
-
B
Protect the vCenter server with Fault Tolerance.
-
C
Install the Auto Deploy service on the VCSA.
-
D
Include the vmware-fdm VIB in the image profile.
-
E
Use PowerCLI to write a rule that assigns a custom image profile to the target hosts.
Reveal answer details
Close answer details
Correct answersA, D, E
ExplanationReferences: http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.install.doc_50%2FGUID-980D9E38-633E-4557-9144-AC422FA239C5.html
Question 35
Multiple choice
An administrator uses VMware Data Recovery to make backups of virtual machines. Checking on the backup jobs that were run the previous evening, the administrator notices that some jobs completed but that other jobs did not. What are two possible causes for the failure? (Choose two.)
-
A
The deduplication store had 400GB of available space before the start of the affected jobs.
-
B
Eight backup jobs were running simultaneously, causing new jobs to fail to start.
-
C
The backup window was not open long enough to retrieve all of the changed blocks.
-
D
CPU utilization on the VDR appliance exceeded 90% before one or more jobs executed.
Reveal answer details
Close answer details
Correct answersB, C
ExplanationReferences: http://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.datarecovery.admin.doc_20%2FGUID-A1A9D274-44EA- 4237-A8DE-46D01CCE673E.html
Question 36
Multiple choice
If you create a custom role and do not assign privileges what system-defined privileges are added? (Choose two.)
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answersA, B
ExplanationReferences: http://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc%2FGUID-93B962A7-93FA-4E96-B68F-AE66D3D6C663.html
Question 37
Multiple choice
An administrator is configuring admission control settings for a vSphere HA cluster. The administrator selects the option Allow VMs to Be Powered on Even if They Violate Availability Constraints. Which two events occur during an ESXi host failure? (Choose two.)
-
A
Virtual machines with a High restart priority are restarted first.
-
B
Virtual machines with a Low restart priority are not restarted.
-
C
HA will not restart virtual machines configured for FT.
-
D
Virtual machines with VM Monitoring set to Enabled are restarted.
Reveal answer details
Close answer details
Correct answersA, C
ExplanationReferences: http://www.serverwatch.com/server-tutorials/tweaking-vmware-high-availability-admission-control-policies.html
Question 38
Multiple choice
A user attempts a remote SSH connection to a newly-installed ESXi 5.x host to execute some commands. The SSH connection attempt fails, though the user is able to receive a ICMP ping back from the host. What must the administrator do to enable SSH? (Choose two.)
-
A
Enable root logon on the ESXi server.
-
B
Open the SSH port on the ESXi firewall.
-
C
Start the SSH service on the ESXi server.
-
D
Create a local user on the ESXi server.
Reveal answer details
Close answer details
Correct answersB, C
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2011818
Question 39
Single choice
You have decided to install VirtualCenter on an existing Windows Server running an application that is accessed through standard HTTP and HTTPS connections, ports 80 and 443. What will you need to do in order to successfully deploy VirtualCenter?
-
A
You must specify alternate VirtualCenter Web Service ports during installation andmanually specify the alternate ports when connecting with the Virtual InfrastructureClient.
-
B
No additional action is required
-
C
You must move the application to another server but keep IIS installed and running onports 80 and 443 for use with SDK clients.
-
D
You must change the VirtualCenter Web Service port to 905 if SDK clients will beused.
Reveal answer details
Close answer details
Question 40
Multiple choice
An iSCSI array is being added to a vSphere 5.x implementation. An administrator wants to verify that all IP storage VMkernel interfaces are configured for jumbo frames. What are two methods to verify this configuration? (Choose two.)
-
A
Run the esxcli network ip interface list command
-
B
Run the esxcfg-vswif -l command
-
C
Ensure that the Enable Jumbo Frames box is checked in the VMkernel interface properties in the vSphere client
-
D
Ensure that the MTU size is set correctly in the VMkernel interface properties in the vSphere client
Reveal answer details
Close answer details
Correct answersA, D
ExplanationExplanation: You have to run esxcli network ip interface list command to list all the IPs. Then you need to make sure that MTU size is correctly set in the VMkernel interface properties in the vsphere client
Question 41
Multiple choice
An administrator is installing a Windows Server 2008 operating system into a virtual machine on an ESXi 5.x host. What are two valid SCSI adapters for this installation? (Choose two.)
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answersA, B
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1010398
Question 42
Multiple choice
Which two conditions must exist on all hosts in the cluster if Enhanced vMotion Compatibility (EVC) is used? (Choose two.)
-
A
The cluster must be enabled for DRS.
-
B
All hosts in the cluster must be running ESX/ESXi 3.5 Update 2 or later.
-
C
All hosts in the cluster must have hardware virtualization support enabled.
-
D
The cluster must be enabled for HA.
Reveal answer details
Close answer details
Correct answersB, C
ExplanationReferences: http://h20195.www2.hp.com/v2/GetPDF.aspx%2F4AA2-6016ENW.pdf
Question 43
Single choice
An administrator decides to implement a Fixed multipathing policy for an ESXi 5.x host with four available paths to one VMFS datastore. After the policy has been enabled for the datastore, how many paths will have an active status by default?
-
A
-
B
-
C
-
D
Reveal answer details
Close answer details
Correct answerA
ExplanationExplanation: When the policy has been enabled for the datastore, 4 paths will have active status by default.
Question 44
Single choice
Which virtual disk types are supported on an network attached storage appliance using NFS with hardware acceleration disabled?
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A
-
B
-
C
Thick Provision Lazy Zeroed
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D
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Correct answerD
ExplanationThin provisioned disk are supported on NAS storage appliance using NFS with disabled hardware acceleration.
Question 45
Multiple choice
vCenter reports a connectivity problem with a ESXi 5.x host that is not a member of a cluster. An administrator attempts to connect directly to the host using the vSphere Client but fails with the message "An unknown connection error occurred." Virtual machines running on the host appear to be running and report no problem. What two methods would likely resolve the issue without affecting the virtual machines? (Choose two.)
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A
Enter the service mgmt-vmware restart command from either SSH or local CLI
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B
Select Restart Management Agents in the Direct Console User Interface (DCUI)
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C
Select Reboot Host in the Direct Console User Interface (DCUI)
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D
Enter the services.sh restart command from either SSH or the local CLI
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Correct answersB, D
ExplanationReferences: http://www.vm-help.com/esx/esx3i/ESXi_restart_agents.php
Question 46
Single choice
What is an accurate statement about vSphere Fault Tolerant secondary virtual machines?
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A
Cannot be stored on an NFS datastore
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B
Created on the same host as the primary
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C
Can prevent other virtual machines from powering up.
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D
Can be used for load balancing
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Correct answerC
ExplanationReferences: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1013428
Question 47
Single choice
An administrator is configuring an ESXi 5.x host with two dual-port Fibre Channel (FC) HBAs. The FC storage array has four active storage processor ports. Zoning is configured on both fabrics, with ESXi HBA ports and the array ports in the same zone. There are two LUNs with VMFS datastores configured. Using Round Robin multipathing, what is the maximum number of paths that can be used to send data to the VMFS datastores at any given time?
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A
-
B
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C
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D
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Correct answerA
ExplanationExplanation: Multi-pathing is set on the HBA level and there are 2 HBAs. Therefore they will alternate on each HBA.
Question 48
Single choice
What failure will beacon probing identify in vSphere networking?
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A
An improper VLAN configuration on a physical switch port
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B
A disconnected network cable
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C
A VMkernel IP mismatch affecting vMotion or HA traffic
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D
Jumbo frames improperly configured on an iSCSI target
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Correct answerA
ExplanationReferences: http://kensvirtualreality.wordpress.com/2009/04/10/the-great-vswitch-debate-part-4/ (see beacon probing)
Question 49
Single choice
Which resource management technique can be used to relieve a network bottleneck caused by a virtual machine with occasional high outbound network activity?
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A
Convert the switch from a vSphere Standard Switch to a vSphere Distributed Switch.
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B
Create a new portgroup for the virtual machine and enable traffic shaping.
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C
Apply traffic shaping to the other virtual machines in the same port group.
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D
Apply traffic shaping to the virtual machine with high activity.
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Correct answerB
ExplanationReferences: http://www.vmware.com/files/pdf/vsphere-vnetwork-ds-migration-configuration-wp.pdf
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