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IT Support & Services

Learning Objects

IT Support & Services

Dive into Wisc-Online’s rich collection of learning objects — bite-sized, interactive, and designed for real learning. These modular digital tools include animations, drag-and-drop exercises, quizzes, videos, and more. You can explore topics across STEM, arts, humanities, career skills, and beyond. Each learning object is crafted to help learners actively engage with content—reviewing, applying, self-checking—in a way that’s flexible and self-paced.

Why Wisc-Online Moved to WisTech Open

In January 2026, Wisc-Online transitioned to WisTech Open to better align with current educational standards and long-term goals. During this process, the catalog was reviewed and content that did not meet accessibility requirements or was outdated was removed. Games were also taken down, and the team is evaluating the possibility of adding them back in the future with accessibility and quality standards in mind.

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Learning Object
Data Conversion
Learners observe animations showing how data is converted between serial and parallel flow.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
IT Support & Services
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Denial of Service Attacks
In this learning activity you'll explore what a denial of service attack is and learn how a single hacker can take down an entire system.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
Software Solutions
IT Support & Services
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FTP - What You Need to Know
In this learning activity you'll explore why the FTP protocol is often used to transfer data across the network and more importantly, why it should not be.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
Software Solutions
IT Support & Services
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Fiber-Optic Cables
In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.
Main Category
Construction
Subcategories
Network Systems & Cybersecurity
Engineering
IT Support & Services
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Firewalls: Relationships Among Firewall Perimeters
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
Software Solutions
IT Support & Services
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Go-Back-N ARQ
You'll be introduced to the Go-Back-N ARQ, learn what it is, and find out how it's used to keep track of data sent between networked computers.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
Software Solutions
IT Support & Services
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How Switches Increase Speed
In this learning activity you'll observe how switches are used in local area networks to increase data transmission speeds.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
IT Support & Services
Software Solutions
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IP Addressing and Subnetting
In this learning activity you'll review how a local area network computer uses a subnet mask to determine if its message is intended for a computer on the same network or on a remote network.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
IT Support & Services
Software Solutions
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IP Routing
In this learning activity, you’ll explore how routers use routing tables to move data packets from their origin to their destination.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
IT Support & Services
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IT-Cybersecurity: Red Team, Blue Team, and Cybersecurity Policies
Think like a hacker. Respond like a pro. In this module, you’ll experience a simulated breach and learn how red and blue teams handle the heat.
Main Category
Digital Technology
Subcategories
Network Systems & Cybersecurity
Software Solutions
IT Support & Services
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