Showing posts with label VMware. Show all posts
Showing posts with label VMware. Show all posts

Which memory allocation technique allows physical memory to be reclaimed from virtual machine A and redistributed to virtual machine B, possibly forcing virtual machine A to swap internally?

Which memory allocation technique allows physical memory to be reclaimed from virtual machine A and redistributed to virtual machine B, possibly forcing virtual machine A to swap internally? 






A. Transparent Page Sharing
B. Memory Balloon Driver
C. VMkernel Swap
D. RAM Overcommit







Answer: B

The QA department wants to manage their own virtual machines (VMs). They share an ESX Server cluster with the HA department, and the Finance department. What is the appropriate role for the QA department members?

The QA department wants to manage their own virtual machines (VMs). They share an ESX Server cluster with the HA department, and the Finance department.
What is the appropriate role for the QA department members? 






A. Administrator on the VM object
B. VM Administrator
C. Resource Pool Administrator
D. Datacenter Administrator







Answer: C

What will most benefit a CPU-constrained VM?

What will most benefit a CPU-constrained VM? 





A. the installation of a third-party management tool in the guest OS
B. the installation of the vmxnet virtual adapter
C. a decrease in the CPU-limit value
D. an increase in CPU shares







Answer: D

It appears that a virtual machine (VM) is having performance problems because it does not have enough CPU resources available. Which of the following methods could be used to guarantee a VM gets 100% of a CPU on the host when it needs it? (Choose Two)

It appears that a virtual machine (VM) is having performance problems because it does not have enough CPU resources available. Which of the following methods could be used to guarantee a VM gets 100% of a CPU on the host when it needs it? (Choose Two) 





A. set the CPU limit for this VM to 100%
B. set CPU affinity on that VM, pinning it to CPU 1 and set CPU affinity on all other VMs so that they
C. set CPU affinity on that virtual machine, pinning it to CPU 1
D. set the CPU reservation for this VM to 100%







Answer: B,D

When using the Explicit Failover option for a virtual switch with multiple uplinks, ESX determines the uplink to use in a failover event by?

When using the Explicit Failover option for a virtual switch with multiple uplinks, ESX determines the uplink to use in a failover event by? 





A. a specified list
B. using beacon probing to discover which uplink has the shortest route
C. using the reported uptime to determine which uplink to select
D. using link state tracking to see which uplinks are connected






Answer: A

When an explicit failover order has not been configured on a virtual switch with multiple uplinks, what determines which uplink is used when a failover event occurs?

When an explicit failover order has not been configured on a virtual switch with multiple uplinks, what determines which uplink is used when a failover event occurs?






A. The first available uplink that reports a positive Link State
B. The uplink with the shortest route
C. The next available uplink on the list
D. The reported uptime for the surviving uplinks






Answer: D

When configuring the vSwitch NIC teaming policy, what happens when the Notify Switches option is set to Yes?

When configuring the vSwitch NIC teaming policy, what happens when the Notify Switches option is set to Yes? 





A. The virtual switch is notified when the location of a physical NIC changes
B. The physical switch is notified when the location of a virtual NIC changes
C. The virtual switch is notified when the physical NIC link state changes
D. The physical switch is notified when the virtual NIC link state changes








Answer: B

Assuming VLANs are not configured, which of the following is true about traffic from a virtual machine connected to a port group on a vNetwork Standard Switch with no uplinks?

Assuming VLANs are not configured, which of the following is true about traffic from a virtual machine connected to a port group on a vNetwork Standard Switch with no uplinks? 






A. Virtual machines in any port group on the virtual switch can receive the traffic
B. The virtual switch will drop the packets if no uplink is present
C. Virtual machines on any virtual switch on the same ESX/ESXi host can receive the traffic
D. Only virtual machines in the same port group on the virtual switch can receive the traffic







Answer: A

Which statement is true about transparent page sharing?

Which statement is true about transparent page sharing? 





A. It only works with Windows.
B. It is the process of collecting unused memory from the guest OS and returning it to the VMkernel.
C. It is the method of eliminating duplicate pages of memory allocated to multiple virtual machines.
D. It only works with supported guest OS.







Answer: C

Under which circumstance will a virtual machine always fail to power on?

Under which circumstance will a virtual machine always fail to power on? 





A. when there is no free space in VMFS
B. when the virtual machine's reservation cannot be guaranteed
C. when the host's license server became inaccessible 24 hours ago
D. when the virtual machine's memory is configured at greater than 3.6 GB







Answer: B