200-901 Network Fundamentals Practice Question
An organization has a web server that needs to be reachable via both 'www.example.com' and 'example.com'. Which DNS record type should be used to make 'example.com' an alias for 'www.example.com'?
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
✓
CNAME record
A CNAME record creates an alias that points to the canonical name. The A record points to an IP address, not another domain.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A record
Why it's wrong here
A record maps a name to an IP, not to another name.
- ✗
MX record
Why it's wrong here
MX is for mail.
- ✗
NS record
Why it's wrong here
NS specifies name servers.
- ✓
CNAME record
Why this is correct
CNAME maps an alias to the canonical name.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco 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 200-901 exam.