Customer Service Skills for IT Professionals - Engaging the Customer
By Kimberly Reed
In this learning activity you'll explore four ways to engage your customers and improve your customer service skills.
Customer Service Skills for IT Professionals - Soft Skills
In this learning activity you'll be introduced to soft skills, or people skills, needed by all IT professionals.
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.
Data Manipulation Language
Explore what DML is including its main commands INSERT, UPDATE, DELETE, and SELECT.
Database Data Types
In this activity, you'll learn about the different data types associated with databases.
Database Naming Conventions
In this learning activity, you'll discover and then follow established rules when naming database objects.
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.
In this learning activity we will discuss breakpoints: what they are and how to use them.
Debugging: Immediate Window
In this learning activity, you'll explore the Immediate Window including what is it and how you use it?
Debugging: What is It?
Learn more about debugging including: what it is, why we use it, and what it looks like in action.
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.
By Terry Bartelt
In this learning activity you'll examine how a large computer network is configured.
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.
Excel: Locking Cell References
By Patrick Hoppe
Students read how to lock a cell that is being referenced in a formula so that it does not automatically show an increment when the formula is copied.
In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.
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.
Finding Factorials with Recursion
By Brett Sheleski
In this activity we will discover when recursion is the best solution for your computer programming task.
Firewall: Network Address Translation/Port Address Translation
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine how network address translation works.
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.
Firewalls: Packet Filters
In this learning activity you'll create a packet filter.
Firewalls: Relationships Among Firewall Perimeters
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
Four Steps for Setting and Achieving Your Goals
By Mitch Vesaas
You will learn four steps for good goal setting.
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.
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.
Hexadecimal Numbering System
In this learning activity you'll review the hexadecimal numbering system.