Name: ___________________________Date: ____________________

 

 

ISSC340 Week 6 Assignment (3% of Grade)

 

 

Lesson 6 Review: Transmission Media

The purpose of this activity is to reinforce what you have learned so far about local area networks technologies.

 

 

1.What are the two main categories of transmission media? (Min. word count: 10)

____________________________________________________________________________________________________________________________________________________________

2.What is the difference between standard voice-grade cabling and data-grade cabling? (Min. word count: 30)

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

3.True or false: A diameter of a 22AWG twisted-pair cable is smaller than a 26AWG twisted pair cable? Explain… (Min. word count: 10)

____________________________________________________________________________________________________________________________________________________________

 

 

4.In which frequency bands to do short-range wireless transmission operate? (Min. word count: 10)

______________________________________________________________________________

______________________________________________________________________________

5.What are the two types of light source used to transmit signals over optical fiber? (Min. word count: 10)

____________________________________________________________________________________________________________________________________________________________

6.What is the fastest, most accurate way to optically transmit data over long distances? (Min. word count: 30)

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

7.What medium does infrared technology use to transmit signals? (Min. word count: 10)

____________________________________________________________________________________________________________________________________________________________

8.True or false: Bluetooth is a good example of short-range wireless transmission. Explain. (Min. word count: 10)

____________________________________________________________________________________________________________________________________________________________

9.True or false: Microwave signals are line-of-sight transmissions. Explain. (Min. word count: 10)

________________________________________________________________________

 

 

10.Which forms of free-space transmission do NOT require line of sight? (Min. word count: 20)

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

 

 

11.In this section, consider each description (1 through 7 below). Which transmission medium does it describe? For each item, write one of the following answers:

 

 

Microwave, Satellite, Short-range wireless, Coaxial cable,

Infrared, Twisted-pair cable, or Fiber-optic cable

 

 

1. The devices that send and receive the signals are usually contained within the same room. ______

2. The cable is made of concentric layers that include core, cladding and sheath.______

3. This free-space technology makes it possible to transmit information between two stations that are not within the line of sight of each other. ______

4. Two copper wires twisted around each other in a double helix, usually in plastic sheathing. ______

5. Signals are sent by line-of-sight transmission via parabolic antennas mounted on towers. ______

6. The cable typically consists of four layers: core, foam/dielectric insulator, metal jacket of braided copper or aluminum, and a polyethylene cover. ______

7. LAN connectivity method that allows laptop users to move freely around an office building. ______

 

 

12.In this section (A & B below), write your answers in short essay form. Provide as much detail as possible. (Minimum word count: 70)

A.Describe microwave transmission.

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

B.Describe twisted-pair cable as a transmission medium. What types exist, and what are their advantages and disadvantages? (Minimum word count: 80)

__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________