200-201 Security Concepts Practice Question
An attacker uses a tool to scan all IP addresses in a range to identify which hosts are online and what services are running. Which type of reconnaissance is this?
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
✓
Active reconnaissance
Active reconnaissance involves direct interaction with the target, such as port scanning and ping sweeps.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Active reconnaissance
Why this is correct
Active recon includes scanning and probing the target system.
- ✗
Denial of Service
Why it's wrong here
DoS aims to disrupt service, not gather information.
- ✗
Passive reconnaissance
Why it's wrong here
Passive recon does not involve direct interaction, e.g., using public information.
- ✗
Social engineering
Why it's wrong here
Social engineering manipulates people, not scanning.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 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 200-201 exam.