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1
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15
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29
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38
Which memory conservation technique allows the secure elimination of redundant copies of memory pages between virtual machines on the host?
A. Memory Balloon Driver B. VMkernel Swap C. RAM Overcommit D. Transparent Page Sharing D.Transparent Page Sharing
Explanation: Memory Provisioning Recommendations for VMware Infrastructure 3 Operational Best Practices page 7. Transparent Page Sharing is a process executed frequently by the VMkernel that scans physical memory to identify redundant virtual machine memory pages. When a match is found, the physical page is marked read-only. The VMkernel removes the duplicate page from physical RAM and the page table is adjusted to redirect the virtual machine’s virtual page back to the read-only page in physical RAM. This mechanism results in increasing memory that is shared among running virtual machines over time.
What is the connection type of the primary VLAN in a Private VLAN? A. Promiscuous B. Isolated C. Community D. Trunked A. Promiscuous Which two actions have no effect on the amount of physical memory resources used for virtualization
overhead? (Choose two.)
A. Installing a 64‐bit versus 32‐bit operating system. B. Increasing the amount of RAM in the virtual machine. C. Increasing the number of virtual CPUs in the virtual machine. D. Increasing the memory shares for the virtual machine.
AD An ESXi host is configured to access an iSCSI target using CHAP authentication. What happens to the access if CHAP is disabled on the ESXi host?
A. Access is unaffected until the CHAP is disabled at the iSCSI target B. Access is immediately removed C. Access is unaffected until either the ESXi host or the iSCSI Array are restarted D. Access is removed on the next rescan
Answer: C 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
Answer: CD
39 Which functionality does vSphere HA provide? A. Automatic restart of virtual machines B. Automatic balancing of server workloads C. High availabilty of ESXi hosts in a cluster D. Zero downtime for virtual machines Answer: A An administrator is configuring a vNetwork Standard Switch for load balancing. The physical network is configured for switch‐assisted load balancing using EtherChannel. Which ESX load‐balancing policy must be used to support this configuration? Answer: Route based on IP hash You are running into disk contention problems on a VMFS datastore. Which two actions will resolve this problem? (Choose two.) A. Adjust disk shares for each ESXi host accessing this datastore. B. Adjust disk shares for all virtual machines accessing this datastore from the same ESXi host C. Move some of the virtual machines from this VMFS datastore to another datastore on the same LUN. D. Move some of the virtual machines from this VMFS datastore to another datastore on a different LUN. Answer: BD At which two levels can blocking policies be applied on a vNetwork Distributed Switch? (Choose two.) A. Virtual Adapter B. dvUplink C. dvPort Group D. Physical Adapter Answer: BC An administrator has a mixture of Intel‐based ESX Hosts in a DRS cluster where the CPUs are compatible in every way except that some support the NX/XD feature and some do not. Which two actions will minimize the effect of these differences? (Choose two.) A. Mask the NX/XD bit in the Processor section of the Configuration tab on the ESXi hosts B. Mask the NX/XD bit on every virtual machine in the cluster C. Enable Enhanced VMotion Compatibility D. Enable Rapid Virtualization Indexing Answer: BC An administrator wants to restrict the ability of selected administrators to install plug‐ins in their vSphere Client applications. Which action should the administrator perform? A. Modify permissions for the administrators and add the Validate Session privilege B. Modify permissions for the administrators and add the Disable Methods privilege C. Modify permissions for the administrators and remove the Register Extension privilege D. Modify permissions for the administrators and remove the CIM Interaction privilege Answer: C
40 What is true about transparent memory page sharing?
A. It will not share more than 65% of a VMs memory.
B. It must be enabled on each host
C. It is enabled by default
Answer: C
An administrator would like to set up Host Profiles in a vSphere architecture. Using the vSphere Client,
the administrator connects to vCenter Server and navigates to Management, then begins to build a new
Host Profile but is unable to save the profile.
Why is the administrator unable to save the completed profile?
A. The administrator does not have the proper vSphere edition so this feature is not licensed
B. The Host Profiles service is stopped and must be restarted to access this option
C. No ESXi hosts have been added to vCenter Server, and this option will not be available until at least
one host is managed
D. No DRS/HA Cluster has been defined, and Host Profiles must be applied to a cluster.
Answer: A
What is a valid use case for the No Access role?
A. An administrator wants to revoke permissions on an object that would otherwise be propagated.
B. An administrator wants to allow the state and details of an object to be viewed, but provide no
other access.
C. An administrator wants to allow only the status of an object to be viewed, but provide no other
access.
D. An administrator wants to prevent a user from launching the vSphere Client.
Answer: A
What would cause the proportional share mechanism to be invoked?
A. there is resource contention B. CPU ready time exceeds a threshold C. More than 1 virtual machine is running D. the sum of reservations exceeds the physical resources Answer: A
An administrator has been tasked with creating a vSphere Standard Switch (vSS) for an ESXi host with
the following specifications:
41
1. 116 virtual machines will be connected to the switch,
2. The switch wall have four uplinks configured for port‐based load balancing.
3. The switch will act as a secondary heartbeat network for HA.
Which two statements are true about this configuration? (Choose two)
A. The configuration requires a Service Console Port
B. The configuration requires a VMkernel Port
C. A vSS created with default settings in the vSphere Client is insufficient for this configuration
D. A vSS created with 128 ports using the vSphere CLI is sufficient for this configuration
Answer: BC
What is the traffic shaping adjustment?
A. Minimum bandwidth adjusted in kbps
B. Peak bandwidth adjusted in Mbps
C. Burst time in seconds
D. Burst size in KB
Answer: D
Which functionality does vSphere HA provide?
A. Automatic restart of virtual machines
B. Automatic balancing of server workloads
C. High availabilty of ESXi hosts in a cluster
D. Zero downtime for virtual machines
Answer: A
An administrator finds that an ESXi host cannot be managed by vCenter Server. Which three logs can be
reviewed using the DCUI? (Choose three.)
A. The ESXi shell logs
B. The HA agent logs
C. The Management Agent log
D. The vmkernel log
E. The VMware ESXi Observation log
Answer: CDE
Which CHAP authentication mechanism is available when using software iSCSI and dependent hardware
iSCSI?
A. Mutual CHAP
B. Per‐subnet CHAP
C. Per‐target CHAP
D. One‐way CHAP
Answer: AC
42
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