Communications

Communication hardware

Layer 1: which type of medium is most efficient?

Layer 2: which type of layer 2 hardware is more efficient?

Communication software

Layer 2: which layer 2 software protocol is more efficient?

Layer 3: IPv4 class of services (COS) or IPv6 type of traffic (ToT) has different priority

Layer 4: compare TCP vs UDP in terms of reliability and delay.

Layer 5: compare different types of application protocols.

Data

File system: Linux, Windows, Mac have different file systems:

1) Compare storage size

2) Compare compression and encryption security vs efficiency