Systems Security · Intermediate

Firewalls, VPNs & Backups

Syllabus

Lesson 1 is a free sample. Watch every lesson to at least 90% to unlock the exam. The remaining lessons open after payment or an exam code.

Firewall Rules & Architecture Basics

Videos are free public lessons on YouTube, chosen to match this syllabus.

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1. A firewall filters…

2. The 3-2-1 rule keeps how many copies of data?

3. An email urging you to 'verify your account now' could be…

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