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Lab 14·Intermediate

DHCP, DNS, and NAT

40–50 min15 Questions

Skills Tested

  • Understand DHCP automatic addressing
  • Identify the DHCP DORA process
  • Analyze DNS name resolution behavior
  • Identify DNS record types
  • Understand NAT translation concepts
  • Interpret NAT table output
  • Troubleshoot IP service failures
Progress0%

A small office network is experiencing multiple IP service failures simultaneously.

Reports:

  • !PCs are not receiving IP addresses automatically
  • !Users cannot access websites using domain names like google.com
  • !Internal devices can talk to each other but cannot reach the internet

Analyze DHCP, DNS, and NAT services to identify what is failing and understand how each service works.

Network Topology
DHCP / DNS / NAT
💻PC1192.168.1.x (DHCP)Private IP
🔀SwitchLayer 2
🌐RouterLAN: 192.168.1.1WAN: 203.0.113.5
NAT / Internet
🖥️DNS Server8.8.8.8Public DNS

Small office with DHCP, DNS, and PAT

Multiple Choice
Q1/15

What does DHCP stand for?

Progress0 correct
Q1Q15

Lessons Reinforced

Lesson 64: DHCP FundamentalsLesson 65: DNS FundamentalsLesson 66: NAT Fundamentals