In this lesson, students will explore at a high-level what the internet is and how the internet works.
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In this lesson, students are presented with different ways that the Internet impacts their lives. The Internet affects the way that people communicate (emails, social media, video chat) and collaborate to solve problems. It has revolutionized the way that people can learn and even buy things. Because the Internet is present in almost every facet of people’s lives, there are severe ethical and legal concerns that derive from the Internet.
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In this lesson, students will explore the hardware that makes up the internet and the characteristics of that hardware that define our experience on the internet.
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In this lesson, students will explore how internet hardware communicates using Internet Addresses and the Internet Protocol.
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In this lesson, students will explore the DNS system and how it maps human readable domain names into actual accessible IP addresses.
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In this lesson, students explore how messages get from one address on the internet to another.
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In this lesson, students learn about the last piece of the puzzle for how the Internet works: Packets and Protocols. All information sent over the internet is broken down into small groups of bits called packets. The format for creating and reading packets is defined by open protocols so that all devices can read packets from all other devices.
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In this lesson, students will learn about the many protocols and standards that are used to send and receive information across a network. Students will learn how networks use specific ports and protocols, each with a specific purpose, such as sending and receiving emails. Students will also learn about wireless networking standards and how frequency and channels relate to speed of data transmission.
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In this lesson, students learn how all of the pieces of the puzzle (IP addresses, the DNS system, routing, and packets and protocols) fit together to send information over the internet. Students will extend these new concepts to consider net neutrality and its ramifications on cybersecurity.
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In this lesson, students will learn about the different network types and options that are available. This will include wireless networking standards and protocols.
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In this lesson, students will build upon their foundational knowledge of networks to learn about advanced network devices. Students will delve into devices that enable communication and data sharing, such as servers and load balancers, as well as devices that increase network security, such as firewalls, IDP, IPD, and UTM. In sum, students will understand how complex networks use a variety of devices, each playing an important role in the functionality and security of the network.
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In this lesson, students will learn about different ports and protocols and how they can be protected using a firewall. They will explore port scans and how to set firewall rules.
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In this lesson, students will learn about different CLI commands and tools that will provide network information. Students will also take a look at network connection logs to determine the legitimacy of specific login attempts.
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