Which scenario shows a reason for VMware Tools failing to install?

An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing.
What is the likely reason for this failure?

An administrator is unable to remove an ESXi 6.x host from a vSphere Distributed Switch.
What are two likely reasons for this issue? (Choose two.)

An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails.
Which two scenarios would result in this failure? (Choose two.)

An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the
setup of vSphere HA on some of the hosts is failing.
What step, if taken, might resolve this issue?

vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)

An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure
Replication wizard.
Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)

When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected?

What is a benefit of using VMware Data Protection (VDP)?

What are three valid disk configurations for the vSphere Data Protection 6.x Appliance? (Choose three.)