Helping for 2 Computer Networking Course Question

Please let me know if you know this all topics:

*Introduction - The Internet and
Computer Networks

*Delay, Loss, Throughput, Protocols

*Application Layer

*SMTP, DNS, Socket Programming

*Transport Layer (Layer 4): Principles
of Reliable Data Transfer

*UDP and TCP

*Congestion Control

Those who know the Computer Networking course very well and can solve 2 questions, please let me know.