Uncertain Times — Infosec's here to help. Learn about remote testing and other COVID-19 resources.

Secure Network Design

Lean the basics of designing secure networks, from an overview of network topologies to foundational security concepts such as segmentation and isolation.

3 videos  //  15 minutes of training

Free training week — 600+ on-demand courses and hands-on labs

Course description

This course covers the following network security topics: network security devices and placement, network topologies and security zones, and network segregation, segmentation and isolation. It briefly introduces a wide variety of security device types, from sensors to firewalls and load balancers. The terms intranet, extranet and demilitarized zone (DMZ) are defined and explained, along with the concepts of Network Address Translation (NAT) and honeynets. The segregation/segmentation/isolation part of the course provides a basic understanding of physical and logical separation and explains the VPN tunneling mechanism.

Course syllabus

Zones and TopologiesDuration: 3:24

Segregation, Segmentation and IsolationDuration: 3:49

Security Devices and PlacementDuration: 7:30

Meet the author

Infosec

LinkedIn

At Infosec, we believe knowledge is the most powerful tool in the fight against cybercrime. We help IT and security professionals advance their careers with a full regimen of certification and skills training. We also empower all employees with security awareness training to stay cybersecure at work and home. Driven by smart people wanting to do good, Infosec educates entire organizations on how to defend themselves from cybercrime. That’s what we do every day — equipping everyone with the latest security skills so the good guys win.

Train on your schedule

Personal

Infosec Skills

  • 600+ courses
  • 100s of hands-on labs and projects
  • 70+ role-based learning paths
  • Skill assessments
  • Custom learning paths
  • Custom certification practice exams
  • Cloud-hosted cyber ranges
  • Infosec peer community support

Infosec Skills boot camp

  • Live, instructor-led training
  • Available in-person or live online
  • All Infosec Skills content from the minute you enroll to 90 days following your boot camp
  • Certification exam voucher
  • 100% Satisfaction Guarantee
  • Exam Pass Guarantee

Team

Infosec Skills Teams

$599 per learner / year

  • All Infosec Skills content for the year
  • Team boot camp discounts — online or onsite (not included with subscription)
  • Team administration and reporting
  • Custom team learning paths
  • Transferable licenses
  • Dedicated client success manager

Award-winning training that you can trust

Best Software - Highest Satisfaction

Infosec Skills

Best IT Security-related Training Program

Infosec Skills

Best Cybersecurity Education Provider & Best Security Education Platform

Infosec Skills

Most Innovative Product - Cybersecurity Training for Infosec Professionals

Infosec Skills

Global Excellence - Cyber Security Education & Training

Infosec Skills

Exceptional learning experiences powered by LX Labs cyber expertise

Infosec Skills courses and labs are powered by LX Labs — our elite team of cyber SMEs, learning specialists and community of top-ranked security instructors, published authors and sought-after industry leaders. We rigorously vet all Infosec Skills training resources to guarantee they meet certification and compliance requirements and align with recognized guidelines like the NICE Cybersecurity Workforce Framework.

LX Labs