How the Ethernet Works
By Terry Bartelt
In this learning activity you'll explore how computers connected on a network use Ethernet technology.
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 to Send an E-mail Message
By Beth Baar
In this interactive lesson, learners read and hear instructions for sending an e-mail. Steps are given for composing an e-mail message and for sending it. Students have an opportunity to write their own messages. A quiz follows the instruction.
CRC – Cyclic Redundancy Check
By Dawn Rohm
In this learning activity, you’ll be introduced to what the CRC is, the technology behind it, and how it’s performed.
By Barbara Liang
Learners read how nanotechnology is creating new jobs in emerging industries while making others obsolete. This colorful and animated activity also looks at the types of products being created through the use of technology and how educational institutions have responded.
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.
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.
DDoS - Distributed Denial of Service Attacks
By Joseph Wetzel
Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.
Internet Components: Skills Check 3
By Dar DeBruin-Hein
In a series of interactive exercises, learners identify the parts of a URL, a Web site, and an e-mail memo. Students are given their score at the end of the activity.
Visual Studio: Connecting to Team Foundation Service
By Brian Foote
In this learning activity, you’ll practice connecting to the Team Foundation Service (TFS) and your local code repository to get existing code.
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.
Firewall: Gateway Servers
By Joseph Wetzel, Douglas Tabbutt
In this animated object, learners examine how a gateway server operates.
Nanosolutions to the Water Problem
Learners read about how universities, government agencies, energy companies, and nanotech firms are working together to use nanotechnology to help produce clean water for consumption.
Basics of the SELECT Statement
By Glen Orsburn
Learners use this Structured Query Language tutorial to gain an understanding of how a SELECT statement is built. This learning object has audio content.
Firewalls: Packet Filters
In this learning activity you'll create a packet filter.
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 Computer Workstation: Skills Check 1
In this interactive exercise, learners label the components of a workstation, a Windows desktop, and an application window.
By Dennis Fontaine, Terry Bartelt
In this learning activity you'll explore bandwidth.