You have a System Center Configuration Manager 2007 environment. Client push installation is enabled with the default settings. Mobile users do not frequently connect to the network.

You need to upgrade the computers of all mobile users to the newest version of the Configuration Manager 2007 client agent when the users connect to the network.

What are two possible ways to achieve this goal? (Each correct answer presents a complete solution.
Choose two.)

A.
Use the Client Push Installation Wizard to upgrade the client agent on all computers.

B.
Create a mandatory advertisement to upgrade to the Configuration Manager client agent on all computers.

C.
Create a mandatory advertisement to upgrade the Windows Server Update Services (WSUS) client agent on all computers.

D.
Publish the latest version of the Configuration Manager client agent to the Windows Server Update Services (WSUS) catalog for software update point client agent installation.