ISSC340Week5Assignment

ISSC340Week5Assignment - same room. b. The cable is made of...

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Name: Date: ISSC340 Week 5 Assignment (3% of Grade) APUS/Kageorgis Pre-Assessment 5 & Activity 5-1: Reviewing transmission media concepts The purpose of this activity is to reinforce what you have learned so far about local area network technologies. 1. What are the two main categories of transmission media? a. Cable and free space b. Cable and cellular c. Wire and cellular d. Wire and free space 2. True or false: Future growth of a network is not a factor when selecting transmission media. 3. What device transmits signals to and from a satellite from Earth? (about 60 words) 4. Describe microwave transmission, and its advantages and disadvantages. (about 120 words) 5. Match the following transmission media with the appropriate description. Microwave, satellite, short-range wireless, coaxial cable, infrared, twisted pair cable, optical fiber cable a. The devices that send and receive the signals are usually contained within the
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Unformatted text preview: same room. b. The cable is made of three concentric layers: core, cladding, and sheath. c. This free space technology makes it possible to transmit information between two stations that are not within the line of sight of each other. d. Two copper wires twisted around each other in a double helix, usually in plastic sheathing. e. Signals are sent by line of sight transmission via parabolic antennas mounted on towers. f. The cable typically consists of four layers: core, foam/dielectric insulator, metal jacket of braided copper or aluminum, and a polyethylene cover. g. LAN connectivity method that allows laptop users to move freely around an office building. 6. Describe twisted pair cable as a transmission medium. What types exist, and what are their advantages and disadvantages? (about 120 words)...
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This note was uploaded on 03/01/2012 for the course LAN 340 taught by Professor Bryanjensen during the Spring '12 term at American Public University.

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