Bandwidth
By Dennis Fontaine, Terry Bartelt
In this learning activity you'll explore bandwidth.
Go-Back-N ARQ
By Dawn Rohm
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.
Network Topologies
By Terry Bartelt
In this learning activity, you'll examine the different ways in which computers and other equipment are physically connected in local area networks and the advantages and disadvantages of each topology.
Components of a Data Center
By tkenton
In this learning activity you'll describe the typical components of a data center.
Firewalls: Packet Filters
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll create a packet filter.
Routers: Logical Addresses
By Joseph Wetzel, Jeff Sonnleitner
In this learning activity you'll examine how logical addresses work. The IP address is the logical address assigned to a connection by the ISP or network administrator.
The IP Address Format
In this learning activity you'll examine the format of an IP address and interpret the octet by converting between decimal and binary numbers.
CRC – Cyclic Redundancy Check
In this learning activity, you’ll be introduced to what the CRC is, the technology behind it, and how it’s performed.
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.
Dynamic Host Configuration Protocol
In this learning activity you'll examine the software operation Dynamic Host Configuration Protocol (DHCP), which automatically performs TCP/IP configurations.
How the Ethernet Works
In this learning activity you'll explore how computers connected on a network use Ethernet technology.
The Ethernet Frame
Learners view the seven segments of an Ethernet frame and the types of information each represents.
Domain Model
In this learning activity you'll examine how a large computer network is configured.
Subtracting Binary Numbers by Adding the 2's Complement
By Kevin Ritzman
In this learning activity you'll solve three binary subtraction problems using the 2's complement method.
Wireless Hardware
Learners consider the most common types of electromagnetic waves and the kinds of hardware used in a wireless network. A short quiz completes the activity.
Name Servers
In this learning activity you'll explore the process that servers follow to take a name entered on a computer browser and convert it to an IP address.
Understanding Cloud Service Types
By Jeff Sonnleitner
You'll explore the three main services of cloud computing: Software as a service, Platform as a Service, and Infrastructure as a Service.
How Switches Increase Speed
In this learning activity you'll observe how switches are used in local area networks to increase data transmission speeds.
Port Scanning - Common Network Protocols
By Joseph Wetzel
In this learning activity you'll explore three common network protocols that computers use to communicate in a network.
Firewall: Network Address Translation/Port Address Translation
In this learning activity you'll examine how network address translation works.
High Speed Ethernet
Learners identify the advantages and disadvantages of four versions of high speed Ethernet. A short quiz completes the activity.
Coaxial Cables
In this learning activity you'll examine the RG ratings, networking applications, and types of connections for various coaxial cables.
Bandwidth Capacity Techniques
In this learning activity you'll follow the process of converting digital data into a series of analog signals.
Data Flow on the Internet
By Mark Puig
In this learning activity you'll examine how a data file is broken into packets and transmitted over the Internet.
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.