It 13 activity 5

Name: Almontero, Mariel R.
Transmission Mediums in Computer Networks
Section: BSIT 3-1B
1. List the UTP categories and typical application of each?
• Category 1 – used in the Telephone industry
• Category 2 – Used in Data communication
• Category 3 – Used in 10BASE-T Networks
• Category 4 – Used in IBM Token Ring networks
• Category 5 – Used in Ethernet and 100Base X networks
• Category 5e – Used in Ethernet and 1000Base X networks
• Category 6 – Standard cable for 10GigaBit Ethernet
• Category 7 – Used in full-motion video and special government and
manufacturing applications
2. Contrast the structure of STP, UTP, and fiber-optic cable?
UTP cables consist of 2 or 4 pairs of color-coded copper wires/twisted cables
that has no insulation to protect against interference. STP cables consist of pairs
of copper wires twisted together that are covered in a foil or braided shielding, as
well as an outer PVC jacket. Fiber optic cables use glass or plastic fiber to carry
light signals, it is constructed of a center core of silica, extruded glass, or plastic.
3. Differentiate the three unguided transmission media and give examples?
• Ground Propagation – televisions and radio broadcasts
• Sky Propagation – Radio Broadcasts
• Line of Sight Propagation – Microwave and Satellite Transmission
Self- Assessment Question
Instruction: Write the corresponding answer/answers for each question.
1. What are the four basic types of guided transmission media?
• Shielded Twisted Pair Cable
• Unshielded Twisted Pair Cable
• Coaxial Cable
• Fiber Optic Cable
2. What are the three basic types of unguided transmission media?
• Ground Propagation
• Sky Propagation
• Line of Sight Propagation
3. What are the advantages and dis advantages of fiber optic cables?
• It can be installed over long distances
• It provides large amounts of bandwidth
• It’s not susceptible to EMI or RFI
• It cannot be tapped easily, so security is better
4. What are the advantages and dis advantages of satellite microwave?
a) Advantages of Satellite Microwave
• It can be installed over long distances
• It provides large amounts of bandwidth
• It’s not susceptible to EMI or RFI
• It cannot be tapped easily, so security is better
b) Disadvantages of Satellite Microwave
• Satellite manufacturing cost is very high
• Cost of launching satellite is very expensive
• Transmission highly depends on whether conditions, it can go down
in bad weather
5. Illustrate the types of transmission medium?
Transmission Modes
Bounded Medium
Fiber Optics
Unbounded Medium

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