FC0-U71 Tech Concepts and Terminology Practice Question
A network technician is analyzing a hexadecimal IP address representation. Which TWO of the following are common uses of hexadecimal notation? (Select TWO).
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
✓
It is used for memory addresses and MAC addresses.
In the context of IP address representation, hexadecimal notation is used for memory addresses and MAC addresses (option B) and for HTML color codes (option E). Options A and C, while generally true about hexadecimal, are not specifically about its use in IP address representation. Option D is false because hexadecimal is base-16, not base-8.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It uses digits 0-9 and letters A-F.
Why it's wrong here
While it is true that hexadecimal uses digits 0-9 and letters A-F, this is a general property and not specifically about IP address representation.
- ✓
It is used for memory addresses and MAC addresses.
Why this is correct
Correct. Hexadecimal notation is commonly used for memory addresses and MAC addresses, which are relevant in the context of network addressing.
- ✗
Each hexadecimal digit represents 4 bits.
Why it's wrong here
While it is true that each hexadecimal digit represents 4 bits, this is a general property and not specifically about IP address representation.
- ✗
It is a base-8 system.
Why it's wrong here
Incorrect. Hexadecimal is base-16, not base-8.
- ✓
It is used to represent colour codes in HTML.
Why this is correct
Correct. Hexadecimal notation is used to represent color codes in HTML, which is a valid application of hexadecimal notation.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
Go deeper
Related to this question
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.