3.1. Wired Media

Try these first

1. 1.

   What type of cable consists of insulated copper wires twisted together?

   Hint

   Think about cables used in telecommunication.

2. 2.

   Which type of cable is commonly used for cable television?

   Hint

   This cable has a central conductor.

3. 3.

   What type of cable minimizes electromagnetic interference by twisting wires together?

   • Optical Fiber
   • Twisted Pair Cable
   • Coaxial Cable

   Hint

   Think about common telephony wires.

4. 4.

   Coaxial cables are best suited for which application?

   • Phone lines
   • Broadband Internet
   • Optical signals

   Hint

   Consider second type of media discussed.

5. 5.

   Calculate the required bandwidth increase if a coaxial cable delivers 50 Mbps, and you want to move to optical fiber that should handle 500 Mbps.

   Hint

   Think about the ratio of the two bandwidths.

6. 6.

   Evaluate the suitability of twisted pair cables for a new apartment building that plans to install high-speed internet for all tenants. Discuss an alternative.

   Hint

   Consider how many users will share the connection and their potential speed needs.