A series of Auto Deploy ESXi hosts which utilize vDS are unable to boot in prior testing. All of the hosts were able to boot successfully.
Which two conditions might cause this issue? (Choose two)

An administrator receives a call indicating users reported extremely slow access to virtual machines the previous evening. Access to virtual machines performs as expected as checked by the administrator. Over the course of several days, the administrator continues to receive calls about the issue, which appears to occur at intermittent times each evening.
Which step can be taken to collect information about the issue?

A company runs several instances of multi-threaded application that requires virtual machines to be configured with multiple vCPUs.
Which metric is checked to determine if CPU contention exists on an ESXi 5.x host?

An administrator would like to have vCentre take action any time a virtual machine is using over 90% of its available resources for five minutes or longer.
Which three actions can be taken by vCenter Server in response to the trigger without running a script? (Choose three)

What are the two requirements for HA to work? (Select Two)

What are the different "security options" to upgrade the hosts with UM ? (choose 3)

How many iSCSI LUN per 5 Host ?

What are the installation requirements of vCenter Server 5? (Choose Two)

An administrator determines that a virtual machine configured for the Development port group lost network connectivity when it was migrated with vMotion from one ESXi 5.x host to another. The administrator notices that machines configured for the Production port group are not experiencing the issue. The hosts have port groups with the following network configuration:
Host A:
Production (VLAN 100)
Development
Host B:
Production (VLAN 100)
Development (VLAN 200)
Which two conditions would explain the loss of network connectivity for the virtual machine? (Choose two.)

Which three Path Selection Policies are supported by default in vSphere? (Choose three.)