If you're interested in seeing another example of using networking and replication, refer to https://wiki.unrealengine.com/ Networking/Replication.
In addition, you can also check out the Shooter Game example project included with Unreal Engine 4 and read the files to get a feeling for how it's used in a complete example. To read more about that, check out https://docs.unrealengine.com/en-us/Resources/SampleGames/ShooterGame.