- A
Isolate the endpoint from the network through the EDR platform
Isolation limits lateral movement and command-and-control traffic while preserving the host for investigation.
- B
Collect a triage package or memory snapshot before remediation, if supported
A triage package preserves useful artifacts without immediately destroying evidence during cleanup.
- C
Uninstall the spreadsheet application immediately
Why wrong: Removing the application does not stop active malicious activity and can interfere with evidence collection.
- D
Reboot the endpoint to clear the suspicious script
Why wrong: Rebooting may destroy volatile evidence and is not the best first containment step.
- E
Wait for a second alert before taking any action
Why wrong: Waiting increases the chance of spread, data theft, or further malware execution.
Quick Answer
The correct first response actions are to isolate the endpoint from the network and collect a triage package or memory snapshot before remediation. Isolating the endpoint immediately stops the outbound HTTPS connection to the rare domain, cutting off potential command-and-control communication and preventing data exfiltration or further payload downloads. Collecting a triage package or memory snapshot preserves volatile artifacts like the encoded PowerShell script and the suspicious process chain, which would be lost on reboot or remediation. On the Security+ SY0-701 exam, this scenario tests your understanding of the EDR incident response workflow: containment before eradication, and evidence preservation before cleanup. A common trap is to jump straight to remediation actions like deleting files or rebooting, which destroys forensic data. Remember the mnemonic “IC” for Isolate then Collect—stop the bleed, then bag the evidence.
SY0-701 Security Operations Practice Question
This SY0-701 practice question tests your understanding of security operations. 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.
EDR flags encoded PowerShell launched by a spreadsheet application and an outbound HTTPS connection to a rare domain. Which two response actions are best to take from the EDR console first? Select two.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
Isolate the endpoint from the network through the EDR platform
Isolating the endpoint from the network (A) is correct because it immediately stops the outbound HTTPS connection to the rare domain, preventing potential command-and-control (C2) data exfiltration or further payload download. Collecting a triage package or memory snapshot (B) is correct because the encoded PowerShell script and suspicious process chain are volatile artifacts that may be lost on reboot or remediation, and capturing them preserves forensic evidence for analysis.
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.
- ✓
Isolate the endpoint from the network through the EDR platform
Why this is correct
Isolation limits lateral movement and command-and-control traffic while preserving the host for investigation.
Clue confirmation
The clue words "best", "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Collect a triage package or memory snapshot before remediation, if supported
Why this is correct
A triage package preserves useful artifacts without immediately destroying evidence during cleanup.
Clue confirmation
The clue words "best", "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Uninstall the spreadsheet application immediately
Why it's wrong here
Removing the application does not stop active malicious activity and can interfere with evidence collection.
- ✗
Reboot the endpoint to clear the suspicious script
Why it's wrong here
Rebooting may destroy volatile evidence and is not the best first containment step.
- ✗
Wait for a second alert before taking any action
Why it's wrong here
Waiting increases the chance of spread, data theft, or further malware execution.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the misconception that rebooting or uninstalling the application is a valid first response, when in fact both destroy volatile evidence and fail to contain the active threat.
Detailed technical explanation
How to think about this question
EDR isolation typically uses a kernel-level network filter to block all traffic except to the EDR management server, often via ARP spoofing or host-based firewall rules, which stops C2 channels without losing endpoint visibility. The encoded PowerShell command likely uses Base64 or compressed payloads to bypass string-based detection, and capturing a memory snapshot allows analysis of the .NET assembly or reflection-loaded code that may not be written to disk. In real-world incidents like Emotet or QakBot, spreadsheet macros launch encoded PowerShell to download additional stages, making rapid isolation and memory capture critical before the endpoint is compromised further.
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.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
Security Operations — This question tests Security Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Isolate the endpoint from the network through the EDR platform — Isolating the endpoint from the network (A) is correct because it immediately stops the outbound HTTPS connection to the rare domain, preventing potential command-and-control (C2) data exfiltration or further payload download. Collecting a triage package or memory snapshot (B) is correct because the encoded PowerShell script and suspicious process chain are volatile artifacts that may be lost on reboot or remediation, and capturing them preserves forensic evidence for analysis.
What should I do if I get this SY0-701 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: "best", "first". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 30, 2026
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