Terms you'll need to understand:
Back-end server
Child folder
Default public folder tree
Front-end server
General-purpose public folder tree
Internet Protocol Security (IPSec)
Outlook Web Access (OWA)
Parent folder
Public folder
Public folder tree
Replication
Top-level folder
Virtual server
Techniques you'll need to master:
Creating and managing public folders
Troubleshooting public folder issues
Configuring and managing virtual servers
Configuring and managing front-end and back-end servers
Troubleshooting front-end and back-end servers