VMware复习题答案.docx

1、VMware复习题答案VMware复习题总共45道题（从复习题中抽取35道+额外的5道=结业考试40道）QUESTION 1Which memory conservation technique collaborates with the server to reclaim pages that are redundant in a virtual machine or virtual machinesA.Memory Balloon DriverB.Transparent Page SharingC.；Redundant Memory DriverD.VMkernel SwapQUESTIO

2、N 2Which network settings are only available with vSphere Distributed SwitchesA.Jumbo Frames*B.PVLANC.Load BalancingD.Promiscuous ModeQUESTION 3What are three valid objects to place in a vApp (Choose three.),A.FoldersB.HostsC.Resource poolsD.vAppsE.Virtual machinesQUESTION 4Which two conditions will

3、 prevent a virtual machine from being successfully migrated using Storage vMotion (Choose two.)A.The virtual machine has an RDM.B.The virtual machine has Fault Tolerance enabled.】C.The virtual machine is running on a vSphere Standard host.D.The virtual machine has a disk stored on an NFS datastore.Q

4、UESTION 5An administrator is working to update the hosts and virtual machines in a vSphere deployment using Update Manager Baselines.Other than host patches, which three items require a separate procedure or process to update (Choose three.):A.Operating system patchesB.Virtual Appliance updatesC.Vir

5、tual Machine Virtual Hardware upgradesD.VMware Tools on machines without VMware Tools already installedE.Application patches within the virtual machineQUESTION 6An ESXi host displays a warning icon in the vSphere console and its summary page lists a configuration issue SSH for the host has been enab

6、led. What are two ways to clear this warning (Choose two.)A.Using the Security Profile pane of the Configuration tab in the vSphere ClientB.Using the Direct Console User Interface (DCUI)C.Using the Advanced Settings pane of the Configuration tab in the vSphere ClientD.Using the Networking pane of th

7、e Configuration tab in the vSphere ClientQUESTION 7An administrator wants to monitor the health status of an ESXi host. However, when the administrator clicks the Hardware Status tab the following error is displayed.This program cannot display the webpageWhat might cause this problemA.The VMware Vir

8、tualCenter Management Webservices Service is not started.B.The required plug-in is not enabled.C.The VMware ESXi Management Webservices Service is not startedD.The name of the vCenter Server system could not be resolved.QUESTION 8An iSCSI array is being added to a vSphere implementation. An administ

9、rator 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 commandB.Run the esxcfg-vswif -l commandC.|Ensure that the Enable Jumbo Frames box is checked in the

10、 VMkernel interface properties in the vSphere clientD.Ensure that the MTU size is set correctly in the VMkernel interface properties in the vSphere clientQUESTION 9An administrator is setting up vMotion in a vSphere environment. A migration is run to test the configuration, but fails.What could the

11、administrator do to resolve the issueA.】Ensure the VMkernel port group is configured for Management Traffic.B.Enable VMkernel port group for the vSphere cluster.C.Ensure the vMotion enabled adaptors configured for the same subnet.D.Use a vDS instead of a standard switch.）QUESTION 10An administrator

12、is unable to connect a vSphere Client to an ESXi host.Which option can be selected from the direct console to restore connectivity without disrupting running virtual machinesA.Restore the Standard Switch from the ESXi host.B.Restart the Management Agents from the vSphere client.C.Restart the Managem

13、ent Agent from the ESXi hostD.Disable the Management Network from the vSphere client.QUESTION 11An administrator receives a complaint that a virtual machine is performing poorly. The user attributes the issue to poor storage performance.If the storage array is the bottleneck, which two counters woul

14、d be higher than normal (Choose two.)A.Average ESXi VMKernel latency per command, in millisecondsB.Average ESXi highest latency, in millisecondsC.Average virtual machine operating system latency per command, in millisecondsD.Number of SCSI reservation conflicts per secondQUESTION 12An administrator

15、must decommission a datastore.Before unmounting the datastore, which three requirements must be fullfilled (Choose three.)A.No virtual machines reside on the datastore.B.The datastore is not used for vSphere HA heartbeat.C.No registered virtual machines reside on the datastore.D.The datastore must n

16、ot have any extents.E.The datastore must not be part of a datastore cluster.QUESTION 13A company wants to increase disk capacity for their vSphere environment.)Management mandates that.1. vMotion must work in this environment.2. The existing LAN infrastructure must be used.Which storage option best

17、meets the company objectivesA.)iSCSIB.Fibre ChannelC.SATAD.NFSQUESTION 14Which resource management technique can be used to relieve a network bottleneck caused by a virtual machine with occasional high outbound network activityA.Convert the switch from a vSphere Standard Switch to a vSphere Distribu

18、ted Switch.B.Create a new portgroup for the virtual machine and enable traffic shaping.C.Apply traffic shaping to the other virtual machines in the same port group.D.Apply traffic shaping to the virtual machine with high activity.QUESTION 15Which of these factors indicates a high likelihood that the

19、 performance of a virtual machine disk is being constrained by disk I/OA.A large number of commands issuedB.A high device latency valueC.A high disk used valueD.A large number of kilobytes read and writtenQUESTION 16Click the Exhibit button.An administrator is configuring vMotion in their environmen

20、t. As part of the implementation, an administrator is examining resource mapping for virtual machines.What is a likely cause of the error shown in the exhibitA.vMotion has been disabled because the are no other hosts in the cluster with vMotion enabled.B.vMotion has not been enabled on the Productio

21、n port group.C.The administrator has not created a Managent network.D.vMotion has not been enabled on a VMkernel port group.】QUESTION 17Which two circumstances might cause a DRS cluster to become invalid (Choose two.)A.DRS has been disabled on one or more ESXi hosts.B.An ESXi host has been removed f

22、rom the cluster.C.A migration on a virtual machine is attempted while the virtual machine is failing over.D.Virtual machines have been powered on from a vSphere Client connected directly to an ESXi host.QUESTION 18Click the Exhibit button.|An administrator is applying patches to a batch of ESXi host

23、s in an under-allocated HA/DRS cluster. An attempt is made to place the host into maintenance mode, but the progress has stalled at 2%. DRS is configured as shown in the exhibit. Of the four choices below, two would effectively resolve this issue.Which two steps could be taken to correct the problem

24、 (Choose two.)A.Enable VMware EVC.B.Set the virtual machines on the host to Fully Automated.?C.Shut down the virtual machines on the host.D.Move the virtual machine swap file off the local datastore.QUESTION 19A company has converted several physical machines to virtual machines but are seeing signi

25、ficant performance issues on the converted machines. The host is configured with sufficient memory and storage does not appear to be a bottleneck.#Which metric can be checked to determine if CPU contention exists on an ESXi hostA.%RUNB.%WAITC.%USEDD.%RDYQUESTION 20A group of virtual machines has bee

26、n deployed using thin disks because of limited storage space availability. The storage team has expressed concern about extensive use of this type of provisioning.At which level can the administrator set an alarm to notify the storage teamA.DatastoreB.Virtual MachineC.HostD.Resource Pool、QUESTION 21

27、Virtual machine VM1 is unable to communicate with virtual machine VM2. Both virtual machines are connected to a portgroup named Production on vSwitch1 on host ESXi01. Which statement could explain whyA.The only vmnic connected to vSwitch1 on ESXi01 is set to unusedB.The only vmnic connected to vSwit

28、ch1 on ESXi01 is set to standbyC.Load balancing settings on Production do not match vSwitch1D.（VM1 is configured for VGT, VM2 is configured for VSTQUESTION 22What are two methods of maximizing VMFS performance for virtual machines across all the hosts in a cluster (Choose two.)A.Use disk shares to p

29、rioritize virtual machine disk I/OB.Enable Storage I/O control.C.Enable Storage DRS with I/O load balancingD.Enable Host Cache using local SSD drivesQUESTION 23！Which two statements are true regarding vSphere standard switches (Choose two.)A.Beaconing requires at least three uplinks to be considered

30、 useful.B.Virtual machines on different vSwitches require the vSwitches to share an uplink to communicate.C.vSphere virtual switches require at least one uplink adapter.D.Setting the number of ports to the maximum on a vSwitch will exhaust the total ports on a host.QUESTION 24Which types of traffic can a VMkernel port be enabled to carry on a ESXi host (Choose three.)A.NFSB.Fault TolerantC.,ManagementD.iSCSIE.vMotionQUESTION 25Networking policies for a vSphere Standard Switch, such as traffic shaping