In this learning activity you'll create a packet filter.

In this learning activity you'll examine the software operation Dynamic Host Configuration Protocol (DHCP), which automatically performs TCP/IP configurations.

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.

In this learning activity you'll examine how network address translation works.

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.

In this learning activity you'll describe the typical components of a data center.

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.

In this learning activity you'll examine how a large computer network is configured.

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 the different ways in which computers and other equipment are physically connected in local area networks and the advantages and disadvantages of each topology.

In this learning activity you'll examine how routers transfer data between local area networks and the Internet.

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.

In this learning activity you'll examine two methods for converting a binary number to a decimal number.

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 VPN is used to create a secure connection between two networks.

In this learning activity you'll solve three binary subtraction problems using the 2's complement method.

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.

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.

In this learning activity, you’ll be introduced to what the CRC is, the technology behind it, and how it’s performed.

Learners view animations showing how hubs and switches work in local area network configurations.

In this learning activity you'll examine the format of an IP address and interpret the octet by converting between decimal and binary numbers.

In this learning activity you'll explore three common network protocols that computers use to communicate in a network.

In this learning activity you'll explore how computers connected on a network use Ethernet technology.

In this learning activity you'll observe how switches are used in local area networks to increase data transmission speeds.

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.