A vSphere administrator needs to use vSphere Update Manager to perform orchestrated upgrades
of virtual machines.
Which two options are available for virtual machine remediation? (Choose two.)
A.
Upgrade virtual machine hardware
B.
Upgrade VMware tools
C.
Upgrade virtual machine appliances
D.
Upgrade virtual machine guest OS
Explanation:
A and B are correct
You can perform an orchestrated upgrade by using a virtual machine baseline group. The VMware Tools upgrade baseline runs first, followed by the virtual machine hardware upgrade baseline.
https://pubs.vmware.com/vsphere-51/index.jsp?topic=%2Fcom.vmware.vsphere.upgrade.doc%2FGUID-3FD2CD6B-0279-4378-BE8F-F973B784282A.html
The following vSphere components are upgraded by Update Manager.
■ ESX and ESXi kernel (vmkernel) (This is the HOST(!) OS Not Guest OS)
■ Virtual machine hardware (A.)
■ VMware Tools (B.)
■ Virtual appliances (NO “machine” here(!))
https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.upgrade.doc%2FGUID-AA106086-E10D-456E-B0B9-340D3D1462C3.html
What would be the difference between “virtual appliances” and “virtual machine appliance”