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Computer Networks - CS 280

Covers network models, protocols, addressing, routing, transport, application protocols, wireless networking, and network security basics.

Study Tools

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Study guides

8

8 Network Security Basics

Learn the core principles of network security, recognize common threats, and understand how layered defenses help protect systems and data.
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4 Routing and Internetworking

Learn how routers forward IP packets, how routes are selected and exchanged, and how routing information can be secured.
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6 Application Protocols and Network Services

Learn how application-layer protocols resolve network names, deliver web and email services, and enable remote access, along with the security practices that help protect them.
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7 Wireless Networking

Learn how Wi-Fi connects devices through access points, what affects wireless coverage and performance, and how to protect wireless networks.
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3 IP Addressing and Network Configuration

Learn how IPv4 and IPv6 addresses, prefixes, address assignment, gateways, and DNS work together in a consistent network configuration.
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5 Transport Protocols: TCP and UDP

Learn how ports direct network traffic to applications and how TCP and UDP differ in delivery, ordering, overhead, and control.
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2 Link-Layer Networking and Ethernet

Learn how physical and data-link functions support local network delivery, how Ethernet frames and MAC addresses work, and how switches and VLANs organize traffic.
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1 Network Models and Protocol Foundations

Learn how network models organize communication, how protocols cooperate across layers, and how data is encapsulated, forwarded, and troubleshot.
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Quizzes

8

6 Application Protocols and Network Services

A medium-difficulty quiz on applying and distinguishing common application-layer protocols and network services.
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7 Wireless Networking

A quiz on Wi-Fi operation, performance, and security.
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8 Network Security Basics

Apply network security concepts to practical situations, identify common risks, and explain how complementary safeguards protect systems and information.
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3 IP Addressing and Network Configuration

A medium-difficulty quiz on IPv4 subnetting, IPv6 prefixes, address assignment, and network configuration.
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5 Transport Protocols: TCP and UDP

A medium-difficulty quiz on how transport-layer ports work and how TCP and UDP differ in delivery, control, and application use.
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4 Routing and Internetworking

A medium-level quiz on packet forwarding, route selection, routing protocols, and basic routing security.
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2 Link-Layer Networking and Ethernet

A medium-difficulty quiz on link-layer networking and Ethernet, ordered from foundational concepts to questions requiring connected reasoning.
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1 Network Models and Protocol Foundations

A medium-difficulty quiz on network models, layered responsibilities, encapsulation, protocol cooperation, and troubleshooting.
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Flashcards

8

8 Network Security Basics

Review the principles, common threats, and layered defenses used to protect networked devices, communications, and information.
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3 IP Addressing and Network Configuration

Review IPv4 and IPv6 addressing, subnetting, address assignment, and the settings hosts need to communicate across networks.
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4 Routing and Internetworking

Learn how routers forward packets, select routes, use routing protocols, and secure routing information.
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7 Wireless Networking

Review how Wi-Fi networks connect devices, share radio resources, and protect access.
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6 Application Protocols and Network Services

Review how DNS, web and email protocols, and remote-access services enable network communication and how to protect them.
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5 Transport Protocols: TCP and UDP

Review how transport-layer ports direct application traffic and how TCP and UDP differ in delivery, control, and common uses.
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1 Network Models and Protocol Foundations

Learn how network models organize communication, how protocols cooperate across layers, and how data moves through a network.
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2 Link-Layer Networking and Ethernet

Learn how Ethernet frames, MAC addresses, switches, and VLANs support local network communication.
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