Networking › Module 5 › Lesson 4
Quiz — Troubleshooting & Network Security
Module quiz on NAT, firewalls, and network troubleshooting
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NAT, Firewalls & Troubleshooting — Module Quiz
Ten questions on how NAT shares public IPs, how firewalls filter traffic, and how to triage a broken connection step by step. Finish this module, then continue to LAN Essentials—switches, MAC, ARP, and DHCP.
Knowledge Check
NAT primarily allows:
Multiple choice
Knowledge Check
A stateful firewall:
Multiple choice
Knowledge Check
If ping to 8.8.8.8 works but domain names fail, check:
Multiple choice
Knowledge Check
Private IP ranges are used internally because:
Multiple choice
Knowledge Check
A sensible first check when "the internet is down" is:
Multiple choice
Knowledge Check
ss -tuln is used to:
Multiple choice
Knowledge Check
True or False: A firewall can block or allow traffic based on IP, port, and protocol.
True or False
Knowledge Check
Which tools help troubleshoot connectivity? (Select 2)
Select all that apply
Knowledge Check
Unsolicited inbound traffic to a home public IP is usually:
Multiple choice
Knowledge Check
After this module, the next lesson covers:
Multiple choice
Answer all 10 knowledge checks to continue. (0/10 answered)