Domain 4: Communication and Network Security Course

This course serves as an introduction to the CISSP Domain 4: Communications and Network Security.

2 hours, 10 minutes

Course description

This course covers the essentials of the OSI model, TCP/IP protocol suites, key network components and an overview of network attacks.


Network Attacks

Video - 00:11:00

This video covers common network attack vectors and techniques.
Network Components

Video - 01:16:00

This video reviews network devices that make up a corporate infrastructure.
TCP/IP protocol suite

Video - 00:31:00

Here, we have an overview of the functions and attacks of TCP/IP services.
OSI Model

Video - 00:12:00

This video compares the OSI model’s seven layers to the TCP/IP protocol suite.

Unlock 7 days of free training

  • 1,400+ hands-on courses and labs
  • Certification practice exams
  • Skill assessments

Plans & pricing

Infosec Skills Personal

$299 / year

  • 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
  • 100s of hands-on labs in cloud-hosted cyber ranges
  • Custom certification practice exams (e.g., CISSP, Security+)
  • Skill assessments
  • Infosec peer community support

Infosec Skills Teams

$799 per license / year

  • Team administration and reporting
  • Dedicated client success manager
  • Single sign-on (SSO)
    Easily authenticate and manage your learners by connecting to any identity provider that supports the SAML 2.0 standard.
  • Integrations via API
    Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
  • 190+ role-guided learning paths and assessments (e.g., Incident Response)
  • 100s of hands-on labs in cloud-hosted cyber ranges
  • Create and assign custom learning paths
  • Custom certification practice exams (e.g., CISSP, CISA)
  • Optional upgrade: Guarantee team certification with live boot camps

Learn about scholarships and financing with

Affirm logo

Award-winning training you can trust