VMware Certified Professional 6.5 – Data Center Virtualization Delta Exam 試験
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Question No : 1
Which is required for configuring iSCSI Software Adapter network port binding?
正解:
Explanation:
(…) ensure each vmkernel port has a unique active adapter.
Reference:
https://kb.vmware.com/selfservice/microsites/search.do? language=en_US&cmd=displayKC&externalId=2045040
Question No : 2
An administrator is trying to vMotion a VM from his datacenter to a recovery site.
Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?
正解:
Explanation:
Round-Trip Time for Long-Distance vMotion Migration If you have the proper license applied to your environment, you can perform reliable migrations between hosts that are separated by high network round-trip latency times. The maximum supported network round-trip time for vMotion migrations is 150 milliseconds. This round-trip time lets you migrate virtual machines to another geographical location at a longer distance.
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere.vcenterhost.doc/GUID3B41119A-1276-404B-8BFB-A32409052449.html
Question No : 3
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33.
Which could be the reason for this?
正解:
Explanation:
In vSphere 6.5, the name assigned to the iSCSI software adapter is different from the earlier releases. After you upgrade to the vSphere 6.5 release, the name of the existing software iSCSI adapter, vmhbaXX, changes.
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.5/rn/vsphere-esxi-vcenter-server-65-releasenotes.html#storageissues
Question No : 4
Which two situations could cause a virtual machine to appear with (orphaned) appended to its name? (Choose two.)
正解:
Explanation:
Virtual machines can become orphaned if a host failover is unsuccessful, or when the virtual machine is unregistered directly on the host. If this situation occurs, move the orphaned virtual machine to another host in the datacenter that has access to the datastore on which the virtual machine files are stored.
Reference:
https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere.troubleshooting.doc_50% 2FGUID-BFD8C9BC-30FB-4A92-AFEC-2FC9FF387920.html
Question No : 5
Which two statements are true for Predictive DRS? (Choose two.)
正解:
Explanation:
Predictive DRS using a combination of DRS and vRealize Operations Manager to predict future demand and determine when and where hot spots will occur. When future hot spots are found, Predictive DRS moves the workloads long before any contention can occur. Each night it runs its Dynamic Threshold calculations which uses sophisticated analytics to create a band of what is “normal” for each metric/object combination
Reference:
https://blogs.vmware.com/management/2016/11/predictive-drs.html
Question No : 6
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host.
Which log shows the related events between these components?
正解:
Explanation:
Reference:
https://pubs.vmware.com/vsphere-60/topic/com.vmware.vsphere.monitoring.doc/GUID-832A2618-6B114A28-9672-93296DA931D0.html
Question No : 7
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?
正解:
Explanation:
Ports used when converting a powered on machine running Linux
Table contains a list of the ports that must be open during the conversion of powered on source machines running Linux.
Question No : 8
An administrator cannot enable multi-processor Fault Tolerance (SMP-FT) for a virtual machine.
Which are two possible causes for this? (Choose two.)
正解:
Explanation:
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.avail.doc/GUID-F5264795-11DA4242-B774-8C3450997033.html https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.avail.doc/GUID-57929CF0-DA9B407A-BF2E-E7B72708D825.html
Question No : 9
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?
正解:
Explanation:
Perform a Client-Server Installation in Windows Perform a client-server installation so that you can create and manage conversion tasks remotely
Reference: https://www.vmware.com/pdf/convsa_61_guide.pdf page 11
Question No : 10
Which is the block size on the VMFS6 datastore?
正解:
Explanation:
File Block Format VMFS-6 introduces two new block sizes, referred to as small file block (SFB) and large file block (LFB). While the SFB size can range from 64KB to 1MB for future use-cases, VMFS-6 in vSphere 6.5 is utilizing an SFB size of 1MB only. The LFB size is set to 512MB.
Reference:
https://forums.itpro.tv/topic/1471/vmfs-6-block-size
Question No : 11
Which three types of Content Libraries exist within vSphere 6.5? (Choose three.)
正解:
Explanation:
Reference: https://esxsi.com/2016/12/30/content-libraries/
Question No : 12
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on.
VM-K2 is not powered on. The exhibit shows the parent and child resource reservations.
If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?
正解:
Explanation:
Reference:
https://docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.resmgmt.doc/GUID-8D813BB8CE07-40F2-B2CA-269C1FB39475.html
Question No : 13
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?
正解:
Explanation:
Launch the setup application of the VCSA 6.5 (from the ISO) and hit the Restore button >
Deploy a new appliance >
Accept EULA >
Enter Backup details >
Review backup information >
Enter appliance deployment target (ESXi host) ….. from them it is pretty similar to a clean deployment…
Reference:
https://www.vladan.fr/vmware-vcsa-6-5-backup-and-restore-how-to/
Question No : 14
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS.
Which can be done to the existing NFSv3 volumes to enable this feature?
正解:
Explanation:
NFS 4.1 supports the Kerberos authentication protocol to secure communication with the NFS server
Question No : 15
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered.
Which could be causing this?
正解:
Explanation:
VMFS 6 is the new filesystem of vSphere 6.5. The new filesystem supports 512e advanced format drives and is 4098 sector (4K) aligned. It also supports automatic UNMAP, which asynchronously tracks freed blocks and sends UNMAPs to backend storage in background.
Reference:
https://kb.vmware.com/selfservice/microsites/search.do? language=en_US&cmd=displayKC&externalId=2147824