Clients and Servers
By Terry Bartelt
In this learning activity you'll observe how computers operate in a client-server network operating system and consider the advantages and disadvantages of such a system.
In this learning activity you'll examine how routers transfer data between local area networks and the Internet.
Twisted Pair Cable Noise Immunity
In this learning activity you'll explore how to reduce electromagnetic interference (EMI) and crosstalk between adjacent wires.
An Algorithm for Converting a Binary Number to a Decimal Number
By Kevin Ritzman
In this learning activity you'll examine two methods for converting a binary number to a decimal number.
Peer-to-Peer Operating Systems
In this learning activity you'll examine how computers operate in a peer-to-peer network operating system.
An Algorithm for Converting a Decimal Number to a Binary Number
In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).
By Dawn Rohm
In this learning activity, you’ll explore how routers use routing tables to move data packets from their origin to their destination.
Fibre Channel Storage Area Networks
By Steve Ebben
Fibre Channel storage area networks can play a pivotal role in the performance of cloud computing. This learning activity
will explain the benefits, components, and some basic configurations of fibre channel networks.
Firewalls: Relationships Among Firewall Perimeters
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.
Firewall: Stateful Packet Inspection
In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.
Setting Up Your Virtual Private Network (VPN)
By Joseph Wetzel
The learner will understand how to set up a Virtual Private Network (VPN) using a home computer network.
By Joseph Wetzel, Jeff Sonnleitner
In this interactive activity, learners insert the router terms that each acronym stands for. Each of the acronyms is formed from the key letters in a term that relates to routers.
Switches and Hubs
Learners view animations showing how hubs and switches work in local area network configurations.
SSH - Secure Shell
In this activity you will learn the benefits of SSH, Secure shell, versus plain FTP.
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.
STP - The Spanning Tree Protocol
In this learning activity you'll use the Spanning Tree Protocol to correctly set up a loop-free Ethernet local area network.
Virtual Private Networks (VPN)
In this learning activity you'll explore how VPN is used to create a secure connection between two networks.
In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.
Man in the Middle Attacks with ARP Poisoning
In this learning activity you'll identify Man-in-the-middle attacks and discuss how they affect network security.
In this learning activity you'll explore how port scanning is commonly used by hackers to infiltrate a network and how IT security professionals can detect it.
Network Internet Protocol (IPv6)
By Brett Sheleski, Terry Bartelt
In this learning activity you'll explore the IPv4 IP address scheme and the planned conversion to IPv6.
Unshielded Twisted Pair Cables
In this learning activity you'll identify various types of unshielded twisted pair cables and their networking connectors.
Bandwidth Capacity Techniques
By Dennis Fontaine, Terry Bartelt
In this learning activity you'll follow the process of converting digital data into a series of analog signals.
Port Scanning - Common Network Protocols
In this learning activity you'll explore three common network protocols that computers use to communicate in a network.