Do you agree that UDP is used always with broadcast-like communication principles?

Do you agree with the following statement?

Nowadays, due to drastic advancements in computer networks, UDP communication protocol became practically not used, due to its low reliability

Do you agree that TCP and UDP are both network layer communication protocols ?

Recall basic C functions for network programming. Choose function(s) that are used ONLY on a server side:

"Packet" is a general term used to characterize data units sent over a network. Terms "segment", "datagram", and "frame" are more specific. Match terminology to its meaning:

What is the most reliable network topology, from the theoretical perspective?

Consider an HTTP request below. Choose its valid characteristics from the persistency and statefulness perspective.

What network device is depicted in the image?

Choose example(s) of Peer-to-Peer network applications: