National CAE Designated Institution
  • Online, Instructor-Led
  • Classroom
Course Description

Presents a survey of computer network elements. Course focuses on low-level and applied concepts and issues. Local area networks are emphasized; internetworking issues such as routing are also covered. Hands-on activities include: packet sniffing and "wire-level" network traffic, constructing an Ethernet cable, and configuring a LAN

Learning Objectives

At the end of the course students will be able to:

1. Describe the basic function of each layer of the OSI model.

2. Identify and describe the major protocols at each layer of the TCP/IP protocol stack.

3. Identify the hardware components in a Local Area Network (LAN).

4. Characterize the performance of various network cabling options.

5. Construct and use an Ethernet cable.

6. Use a protocol analyzer such as Wireshark to inspect traffic on a LAN.

7. Construct subnet masks for IPv4 network addresses.

8. Describe how routing works in the IPv4 Internet.

Framework Connections

The materials within this course focus on the Knowledge Skills and Abilities (KSAs) identified within the Specialty Areas listed below. Click to view Specialty Area details within the interactive National Cybersecurity Workforce Framework.

Feedback

If you would like to provide feedback for this course, please e-mail the NICCS SO at NICCS@hq.dhs.gov.