CIS 1130 Topic 3 Labs

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School

Sinclair Community College *

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1130

Subject

Computer Science

Date

Dec 6, 2023

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docx

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Uploaded by EarlRockKingfisher16

CIS 1130 – Topic 3 Homework Your Name: Date: 06/05/2022 Instructions : Answer the questions below in the space provided; be sure your answers are clearly written and grammatically correct with no spelling errors. Following these questions, paste the screenshots showing the requested element. Chap 4 – Ethernet Basics Question 4.1 1 Point Question: The TIA/EIA 568B standard defines the arrangement of 4 pair UTP cabling into RJ 45 connector. Using the textbook or searching online, find the color- coded diagram, then record the proper color wire for each of the pins of the RJ 45. Your Answer: Pin 1: Orange/White Pin 2: Orange Pin 3: Green/White Pin 4:Blue Pin 5:Blue/White Pin 6:Green Pin 7:Brown/White Pin 8:Brown Updated 05/21

Question 4.1 1 Point Question: Ethernet Networks first used hubs to connect multiple devices. Modern Ethernet networks use switches. Please describe why the industry moved away from hubs and started using switches? Your Answer: A switch is more intelligent than a hub, and more efficient at passing along traffic. It records the addresses of the computer connected to it in a table. Hubs unable to support network that are as large as switched because hubs send all traffic to all devices on the network. Chap 5 – Modern Ethernet Question 4.3 2 Points Question: Legacy Ethernet could only communicate one way at a time (send/receive). This is like talking on a walk-talky to your friend. Modern Ethernet has the ability to send and receive signals at the same time. This ability is like today's cell phones. What are these two modes of communication called? Your Answer: Simplex transmission mode: the communication between sender and receiver occurs in only one direction. Full-Duplex data transmission: data can be transmitted in both directions on a signal carrier at the same time. Updated 05/21

Question 4.4 2 Points Question: Modern Ethernet can be either fiber and/or copper cables. Please provide two pros and two cons for each media type. Your Answer: Fiber: PROS: 1- Speed: light can travel much faster through fiber than copper. 2- fiber cables boast more secure communication. CONS: 1- fiber optic cable is expensive to install, it need costly splicing machines and trained specialists to install it. 2- they are not as robust as the wires, if you bend them too much, they will break. Copper: PROS: 1- Copper can be bent into any shape or direction without snapping. 2- It can be used with less insulation, which allows greater flexibility With setup. CONS: 1- Cost far more than fiber optic 2- the most serious disadvantage of copper wire is its susceptibility to corrosion, that is oxidation. Updated 05/21

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Question 4.1 1 Point Question: Some media is called baseband others is called broadband. What are the differences between baseband and broadband Your Answer: Baseband refers to a single channel digital system and that single channel is used to communicate with devices in a network. Broadband on the other hand, is wide bandwidth data transmission which generates an analog carrier frequency, which carries multiple digital signals or multiple channels. Question 4.1 1 Point Question: Open wirshark_example_cis.pcapng file. Use this pcap file to answer the following question. On packet number 3506, what is the destination Mac address? Your Answer: 00:00:00_00:00:00 (00:00:00:00:00:00) 1 Point Question: Open wirshark_example_cis.pcapng file. Use this pcap file to answer the following question. On packet number 3506, what is the sender's Mac address? Your Answer: Dell_d3:10:65 (48:4d:7e:d3:10:65) Updated 05/21

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