ISC2 CC Network Security Practice Question
A network engineer is designing a DMZ. Which three servers should typically be placed in the DMZ? (Choose THREE.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Web server
Public-facing servers like web, mail, and DNS servers are typically placed in a DMZ to isolate them from the internal network. DHCP servers are usually internal, and database servers are kept internal for security.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Web server
Why this is correct
Correct. Web servers are public-facing.
- ✗
DHCP server
Why it's wrong here
DHCP servers are typically internal to assign IP addresses to internal devices.
- ✓
Mail server
Why this is correct
Correct. Mail servers often receive external email.
- ✗
Database server
Why it's wrong here
Database servers contain sensitive data and are kept internal.
- ✓
DNS server
Why this is correct
Correct. DNS servers provide name resolution to external clients.
Visual reference
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
DNS
DNS is the system that translates human-friendly domain names like example.com into machine-readable IP addresses so computers can find each other on a network.
Key term
DMZ
A DMZ (demilitarized zone) is a network segment that sits between an internal private network and the public internet, hosting publicly accessible services while keeping the internal network isolated.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.