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Q21. An administrator is unable to upgrade a vCenter Server Appliance from version 5.1 Update 2 to version 6.0. 

What is a likely reason for this? 

A. vCenter Server Appliance 6.0 does not support upgrades from version 5.1 Update 2. 

B. vCenter Server Appliance must be joined to an Active Directory domain before upgrading to version 6.0. 

C. vCenter Server Appliance 5.1 Update 2 uses an incompatible database for upgrading to version 6.0. 

D. vCenter Server Appliance 6.0 must be upgraded using the vSphere Web Client. 

Answer: A 


Q22. An administrator is unable to start the vCenter Server service. The vpxd.log file shows this service failure: 

[13308 error 'Default' opID=622892-371bf717] CoreDump: Unable to write minidump [13308 error 'Default' opID=622892-371bf717] error -2147024784 : There is not enough space on the disk. 

What is preventing the start of the service? 

A. Insufficient space on the vCenter Server 

B. Insufficient space on the Database Server 

C. Insufficient space on the VMFS volume 

D. Insufficient space on the ESXi ramdisk 

Answer: A 


Q23. When attempting to connect to a vCenter Server, an administrator observes the following at the top of the vSphere Web Client: 

Could not connect to one or more vCenter Server Systems:https://vCenter.corp.com:443/sdk 

What three reasons could be preventing the vSphere Web Client from communicating with this vCenter Server? (Choose three.) 

A. The vCenter Server machine is not responding via the network. 

B. An incorrect entry for this vCenter Server exists in the Single Sign-On service. 

C. The SSL certificates do not match the FQDN address for the server. 

D. The Platform Services Controller is external to this vCenter Server. 

E. The DNS entry for the vCenter Server is incorrect. 

Answer: A,B,C 


Q24. Which three Authorization types are valid in vSphere? (Choose three.) 

A. Group Membership in vsphere.local 

B. Global 

C. Forest 

D. vCenter Server 

E. Group Membership in system-domain 

Answer: A,B,D 


Q25. Which two settings are required for Virtual Machine Component Protection (VMCP) to protect from All Paths Down (APD) and Permanent Device Loss (PDL)? (Choose two.) 

A. Host Monitoring 

B. VM Restart Priority 

C. Virtual machine Monitoring 

D. Response for Host Isolation 

Answer: A,B 


Q26. An administrator is troubleshooting a performance problem with a virtual machine (VM). The VM and ESXi host configuration is as follows: 

. The application which runs within the virtual machine is highly sensitive to memory latency, but has low processor utilization. 

. The virtual machine has 6 vCPUs. 

. The ESXi host CPU topology has 2 Physical CPU Sockets, each with 8 Logical CPUs. 

. The ESXi host CPU has Hyper Threading enabled. 

The administrator would like to improve CPU performance for this VM. Other VMs on the host have no performance issues. Which action should the administrator take to resolve the issue? 

A. Set the Advanced Parameter numa.vcpu.preferHT = TRUE in the virtual machine configuration file. 

B. Set the Advanced Parameter numa.vcpu.preferHT = FALSE in the virtual machine configuration file. 

C. Set the Advanced Parameter numa.PreferHT = 1 in the ESXi host configuration file. 

D. Set the Advanced Parameter numa.PreferHT = 0 in the ESXi host configuration file. 

Answer: A 


Q27. An administrator has decided to create 10 ESXi 6.x hosts via Auto Deploy for a new Test/Dev cluster. The hosts are configured to obtain their networking configuration via DHCP. 

Which condition would explain why none of the hosts are able to receive a valid DHCP address? 

A. The BIOS DHCP File Name was incorrectly entered on the DHCP server. 

B. The DHCP scope was set too small. 

C. The DHCP lease duration is set too short. 

D. The Boot Server Host Name has been set to the TFTP server. 

Answer: A 


Q28. An administrator is configuring Storage I/O Control. After enabling, the administrator notices high device latency and poor storage performance. 

Which two actions would likely reduce latency and improve functionality? (Choose two.) 

A. Set the congestion threshold to 15ms 

B. Set the congestion threshold value to 5ms 

C. Ensure that each datastore has independent spindles 

D. Ensure that each datastore uses shared spindles 

Answer: A,C 


Q29. What are two use cases for Fibre Channel Zoning in a vSphere environment? (Choose two.) 

A. Increases the number of targets presented to an ESXi host. 

B. Controls and isolates paths in a fabric. 

C. Controls and isolates paths to an NFS share. 

D. Can be used to separate different environments. 

Answer: B,D 


Q30. What are three recommended prerequisites before upgrading virtual machine hardware? (Choose three.) 

A. Create a backup or snapshot of the virtual machine. 

B. Upgrade VMware Tools to the latest version. 

C. Verify that the virtual machine is stored on VMFS3, VMFS5, or NFS datastores. 

D. Detach all CD-ROM/ISO images from the virtual machines. 

E. Set the Advanced Parameter virtualHW.version = 11 

Answer: A,B,C