Which two actions should an administrator take to ensure a VM has the highest networking bandwidth? (Choose two.)

Where is vSphere Client Service health viewed?

A vSphere administrator notices performance issues with the vCenter Server Appliance. The CPU usage is over 70%.
Which two actions should the administrator take to investigate the performance issues? (Choose two.)

For security reasons the VMware vSphere Update Manager (VUM) has no Internet access. What can be used to provide a central shared repository in a DMZ?

Refer to the exhibit.

Each ESXi host has three NICs assigned to a virtual switch.
Which Network Failure Detection Policy will prevent network failover?