- A
Immediately wipe the hard drives of all affected workstations and reinstall the operating system.
Why wrong: This is part of the eradication and recovery steps, not the first action. Attempting to wipe drives before containment can allow the ransomware to spread further during the process.
- B
Isolate the affected workstations from the network by disconnecting their network cables and disabling Wi-Fi.
This is the correct first step. Rapid containment (isolation) limits the scope of the incident and prevents the ransomware from encrypting additional systems or exfiltrating data.
- C
Contact local law enforcement to report the ransomware incident and request a forensic investigation.
Why wrong: While law enforcement may be notified later, the immediate priority is to stop the spread. Reporting without containment could allow the attack to continue.
- D
Conduct a full forensic analysis of one affected workstation to determine the ransomware variant and entry vector.
Why wrong: Detailed forensic analysis is important but should be performed after containment to avoid altering evidence and to prevent the attack from expanding during the analysis.
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.
A security analyst at a manufacturing company notices multiple workstations generating high volumes of encrypted outbound traffic and displaying ransom notes. The analyst suspects a ransomware outbreak. According to the incident response process, which of the following should the analyst perform FIRST?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
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 affected workstations from the network by disconnecting their network cables and disabling Wi-Fi.
The first priority in a suspected ransomware outbreak is containment to prevent lateral spread and further encryption. Disconnecting network cables and disabling Wi-Fi immediately isolates the affected workstations from the network, stopping the ransomware from communicating with its command-and-control (C2) server or encrypting additional systems. This aligns with the NIST SP 800-61 incident response lifecycle, where containment precedes eradication and recovery.
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.
- ✗
Immediately wipe the hard drives of all affected workstations and reinstall the operating system.
Why it's wrong here
This is part of the eradication and recovery steps, not the first action. Attempting to wipe drives before containment can allow the ransomware to spread further during the process.
- ✓
Isolate the affected workstations from the network by disconnecting their network cables and disabling Wi-Fi.
Why this is correct
This is the correct first step. Rapid containment (isolation) limits the scope of the incident and prevents the ransomware from encrypting additional systems or exfiltrating data.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Contact local law enforcement to report the ransomware incident and request a forensic investigation.
Why it's wrong here
While law enforcement may be notified later, the immediate priority is to stop the spread. Reporting without containment could allow the attack to continue.
- ✗
Conduct a full forensic analysis of one affected workstation to determine the ransomware variant and entry vector.
Why it's wrong here
Detailed forensic analysis is important but should be performed after containment to avoid altering evidence and to prevent the attack from expanding during the analysis.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often jump to eradication (wiping drives) or notification (calling law enforcement) first, forgetting that containment is the immediate priority to stop the outbreak from spreading across the network.
Detailed technical explanation
How to think about this question
Ransomware often uses techniques like SMB propagation (e.g., EternalBlue) or PowerShell remoting to move laterally, so network isolation at the switch port or via ACLs is more effective than simply unplugging cables if the workstation has multiple network paths (e.g., Wi-Fi and Ethernet). In a manufacturing environment, OT/IT segmentation may be compromised, so isolating the host also prevents the ransomware from jumping to programmable logic controllers (PLCs) or other industrial control systems. The incident response process (NIST SP 800-61) explicitly prioritizes containment over eradication or notification to minimize impact.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
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 affected workstations from the network by disconnecting their network cables and disabling Wi-Fi. — The first priority in a suspected ransomware outbreak is containment to prevent lateral spread and further encryption. Disconnecting network cables and disabling Wi-Fi immediately isolates the affected workstations from the network, stopping the ransomware from communicating with its command-and-control (C2) server or encrypting additional systems. This aligns with the NIST SP 800-61 incident response lifecycle, where containment precedes eradication and recovery.
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: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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