- A
Normal network monitoring
Why wrong: Monitoring typically uses SNMP or netflow.
- B
A DDoS attack
Why wrong: DDoS involves many sources flooding a target.
- C
A DNS amplification attack
Why wrong: DNS amplification uses DNS requests with spoofed IPs.
- D
A ping sweep reconnaissance
Ping sweeps are used to identify active hosts.
Question 142 of 1,000
hardMultiple ChoiceObjective-mapped
SSCP Practice Question: A security analyst is reviewing traffic logs and…
This SSCP practice question tests your understanding of sscp exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security analyst is reviewing traffic logs and sees that a host is sending ICMP echo requests to multiple external IPs. This behavior is most likely indicative of:
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
✓
A ping sweep reconnaissance
ICMP echo requests (ping) sent to multiple external IPs from a single host is characteristic of a ping sweep, which is a reconnaissance technique used to map live hosts on a network. Unlike a DDoS or amplification attack, this activity originates from one host and targets many destinations to identify which IPs are responsive, aiding an attacker in planning further exploitation.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Normal network monitoring
Why it's wrong here
Monitoring typically uses SNMP or netflow.
- ✗
A DDoS attack
Why it's wrong here
DDoS involves many sources flooding a target.
- ✗
A DNS amplification attack
- ✓
A ping sweep reconnaissance
Why this is correct
Ping sweeps are used to identify active hosts.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the distinction between reconnaissance and attack phases, so the trap here is confusing a single-source sweep (reconnaissance) with a multi-source flood (DDoS), leading candidates to incorrectly select the DDoS option.
Detailed technical explanation
How to think about this question
A ping sweep (ICMP sweep) sends ICMP Type 8 (Echo Request) packets to a range of IP addresses; a live host responds with ICMP Type 0 (Echo Reply). Tools like fping or nmap -sn automate this process, often sending packets in parallel to reduce scan time. In real-world scenarios, attackers combine ping sweeps with port scans to build a target profile before launching attacks, and defenders can detect such sweeps via IDS signatures that flag bursts of ICMP traffic to sequential or random external IPs.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this SSCP question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: A ping sweep reconnaissance — ICMP echo requests (ping) sent to multiple external IPs from a single host is characteristic of a ping sweep, which is a reconnaissance technique used to map live hosts on a network. Unlike a DDoS or amplification attack, this activity originates from one host and targets many destinations to identify which IPs are responsive, aiding an attacker in planning further exploitation.
What should I do if I get this SSCP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This SSCP 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 SSCP exam.
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