IST 7040 Week 1 Discussion

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Wilmington University *

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7040

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Computer Science

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Feb 20, 2024

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Hello, Here are two networking concepts discussed in the video: 1. Network Topology: The video introduces three fundamental network topologies: Star, Ring, and Bus. These topologies define how devices are interconnected within a network. The Star topology involves connecting all devices to a central switch or hub, which offers easy management and isolation in case of link failures. The Ring topology has devices connected in a circular manner, forming a loop. Data travels in one direction around the loop, and if any device goes down, it can disrupt the entire network. The Bus topology involves devices being connected along a single central cable, where data is broadcast to all devices on the network. If any part of the cable breaks, communication can be affected. The video mentions that in real-world scenarios, a hybrid topology, which combines elements of different topologies, is often used for greater flexibility and efficiency. 2. Data Transmission and Speed: The video explains the difference between bits and bytes, where a bit represents the smallest unit of data (0 or 1), and a byte is composed of 8 bits. The video also discusses the importance of understanding the distinction between "bps" (bits per second) and "Bps" (bytes per second) when discussing speed and data sizes. Internet connection speeds are often measured in bits per second (bps), such as Mbps (megabits per second) or Gbps (gigabits per second), while data sizes are typically represented in bytes (B) or kilobytes (KB), megabytes (MB), etc. The video illustrates how understanding these units is crucial for calculating data transfer times over different network connections. These concepts provide foundational knowledge for understanding how networks are structured, how data is transmitted, and the factors that influence network performance and efficiency. Reference: Free CCNA | Network Fundamentals - Day 1 | 200-301 | Cisco Training. (2013, November 2). https://www.youtube.com/watch?v=n2D1o-aM-2s Tanenbaum, A. S., & Wetherall, D. (2011). Computer Networks. Pearson Education. Mingming, Zhu., Li, Yuhua. (2011). Route calculation method and master node device in virtual network element.

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