Threads How to compile The thread calls (fork, wait, etc) Locking when howto Thread-safety which calls are or not How to get thread safety in your code Threads compared to forking IPv6 (see http://euclid.nmu.edu/~randy/Classes/CS442/Notes/IPv6/Test_Review.html) Routing Djikstra Ford BGP Autonimous Systems Cheating to force others to not send traffic down a link Which are perfect Which count to infinity How to stop counting to infinity How many rounds to stablize PCAP The library Filtering Reading those dang header charts RMI Stubs and skels Serializablity What can What cannot Callbacks rmiregistry speed compared to networking with writes/reads flexibility comared to networing with writes and reads. locking Encryption Public Key vs Private Key Speed Signing documents SSL Which does it use, public or private key What uses is (https, not ssh) MPI Basic model MPI_Reduce MPI_Send/Recv MPI_Types