Networking Fundamentals: Module 4: Physical Layer

1. What is the purpose of the Physical Layer?
2. Physical Layer Characteristics
   1. What three functional areas does the Physical Layer address?
   2. Define the following and explain how they relate to each other: Bandwidth, Latency, Throughput, Goodput:
3. Copper Cabling:
   1. How is the signal carried over copper cabling?
   2. What are the benefits of copper cabling?
   3. What are the weaknesses of copper cabling and how can we mitigate these weaknesses?
   4. What are the primary types of copper cabling and what are their uses (UTP, STP, Coaxial)?
4. Fiber-Optic Cabling
   1. How is the signal carried over fiber-optic cabling?
   2. What are the benefits and weaknesses of fiber-optic cabling?
   3. What are the types of Fiber Media?
5. Wireless Media
   1. How is the signal carried over wireless media?
   2. What are the benefits and weaknesses of Wireless Media?