ISSC340 Week 4 Assignment Solution

ISSC340 Week 4 Assignment Solution

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1. What are the two methods that Carrier Sense Multiple Access (CSMA) employs to handle messages that are sent simultaneously? (Min. word count: 15)

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2. Which topology would you use when unable to install network cable? (Min. word count: 15)

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3. What is inherent in mesh topologies that enable them to provide high reliability? (Min. word count: 20)

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4. What are advantages of star topologies? (Min. word count: 10)

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5. Compare the two modes supported by wireless topologies. (Min. word count: 20)

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6. In this section, consider each description (A through G). Which topology does it describe?

For each item, write one of the following answers:

Bus, Ring, Star, Hybrid, Mesh, Wireless (cell)

1. Fiber Distributed Data Interface (FDDI) uses this topology.
2. Uses an access point when part of a hybrid topology.
3. Nodes connect to a central hub or switch.
4. Combines two or more standard topologies.
5. Uses a hub or media access unit (MAU) in a central location.
6. Supports bandwidths of 100 Mbps or more over twisted-pair cable.
7. Uses token passing as an access method.

7. In this section, write your answer in short essay form: Describe the basic features of physical star topologies. Provide as much detail as (Minimum word count: 80)

ISSC340 Week 4 Quiz

ISSC340 Week 4 Quiz

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Question 1 of 5 0.0/ 0.25 Points On which topology is Ethernet based? A.Bus B.Ring C.Star D.Mesh

Question 2 of 5 0.25/ 0.25 Points Which topology almost always relies on token passing? A.Bus B.Ring C.Star D.Mesh

Question 3 of 5 0.25/ 0.25 Points Wireless networks operating in ad-hoc mode use which topology? A.Bus B.Ring C.Star D.Mesh Answer Key: D

Question 4 of 5 0.25/ 0.25 Points FDDI is an example of which topology? A.Bus B.Ring C.Star D.Mesh

ISSC340 Week 5 Assignment Solution

ISSC340 Week 5 Assignment Solution

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1. Describe the three modes of communication available on a network. (Minimum word count: 60)

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2. List the seven layers of the OSI model, including both layer number and name for each. (Minimum word count: 20)

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3. Describe a protocol data unit (PDU). (Minimum word count: 30)

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4. List three practical functions of the OSI model. (Minimum word count: 60)

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5. Describe a collision domain. (Minimum word count: 70)

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6. Match each term below with the correct definition.

ISSC340 Week 5 Quiz

ISSC340 Week 5 Quiz

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Question 1 of 5 0.25/ 0.25 Points Which device recognizes the network for which the packets are intended, based on the network address, and forwards only those packets that have their destination on the other side? A.Hub B.Bridge C.Router D.VLAN

Question 2 of 5 0.25/ 0.25 Points At which layer of the OSI model are packets created? A.Transport layer B.Network layer C.Data link layer D.Physical layer

Question 3 of 5 0.25/ 0.25 Points At which layer of the OSI model are frames created? A.Transport layer B.Network layer C.Data link layer D.Physical layer eedback: Correct!

Question 4 of 5 0.25/ 0.25 Points Which of the following is a function of a router? A.Forward broadcast traffic B.Regenerate signals C.Determine the most efficient path from source to destination D.Translate otherwise incompatible protocols

Question 5 of 5 0.25/ 0.25 Points Which layer of the OSI model adds no header to the PDU passed down to it? A.Transport layer B.Network layer C.Data link layer D.Physical layer