How the Ethernet Works
By Terry Bartelt
In this learning activity you'll explore how computers connected on a network use Ethernet technology.
How Switches Increase Speed
In this learning activity you'll observe how switches are used in local area networks to increase data transmission speeds.
High Speed Ethernet
Learners identify the advantages and disadvantages of four versions of high speed Ethernet. A short quiz completes the activity.
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.
FTP - What You Need to Know
By Joseph Wetzel
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.
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.
Firewalls: Packet Filters
In this learning activity you'll create a packet filter.
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.
Firewall: Network Address Translation/Port Address Translation
In this learning activity you'll examine how network address translation works.
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.
Fiber-Optic Cables
In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.
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.
Domain Model
In this learning activity you'll examine how a large computer network is configured.
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.
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.
Components of a Data Center
By tkenton
In this learning activity you'll describe the typical components of a data center.
Coaxial Cables
In this learning activity you'll examine the RG ratings, networking applications, and types of connections for various coaxial cables.
Clients and Servers
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.
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.
Bandwidth
In this learning activity you'll explore bandwidth.
An Algorithm for Converting a Decimal Number to a Binary Number
By Kevin Ritzman
In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).
An Algorithm for Converting a Binary Number to a Decimal Number
In this learning activity you'll examine two methods for converting a binary number to a decimal number.