- A
Shut down the VM immediately to stop all malicious activity.
Why wrong: This would stop the threat, but it creates unnecessary downtime for a critical revenue system and may destroy useful volatile evidence.
- B
Isolate the VM at the network layer while keeping it powered on.
This reduces further attacker communication and spread while preserving the system state for investigation and minimizing business disruption.
- C
Wait for the next maintenance window before taking action.
Why wrong: Delaying containment allows continued malicious traffic, possible lateral movement, and more damage to the environment.
- D
Reimage the VM from a known-good template immediately.
Why wrong: Reimaging may be appropriate later, but it erases evidence and is too disruptive for initial containment in this situation.
SY0-701 Security Operations Practice Question
This SY0-701 practice question tests your understanding of security operations. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 SOC analyst confirms that a critical Linux virtual machine is making outbound connections to a known malicious IP address. The application owner says the VM hosts a revenue system that cannot be powered off without causing a major outage. What is the best containment action?
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.
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 VM at the network layer while keeping it powered on.
Option B is correct because network isolation (e.g., applying a firewall ACL or moving the VM to a quarantine VLAN) stops outbound malicious traffic while keeping the revenue-critical system powered on and available for forensic analysis. This balances security containment with business continuity, as shutting down the VM (Option A) would cause a major outage, and waiting (Option C) would allow continued data exfiltration or lateral movement.
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.
- ✗
Shut down the VM immediately to stop all malicious activity.
Why it's wrong here
This would stop the threat, but it creates unnecessary downtime for a critical revenue system and may destroy useful volatile evidence.
- ✓
Isolate the VM at the network layer while keeping it powered on.
Why this is correct
This reduces further attacker communication and spread while preserving the system state for investigation and minimizing business disruption.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Wait for the next maintenance window before taking action.
Why it's wrong here
Delaying containment allows continued malicious traffic, possible lateral movement, and more damage to the environment.
- ✗
Reimage the VM from a known-good template immediately.
Why it's wrong here
Reimaging may be appropriate later, but it erases evidence and is too disruptive for initial containment in this situation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume immediate shutdown is always the best containment action, but the exam tests the ability to prioritize business continuity while still containing the threat through network-layer isolation.
Trap categories for this question
Scenario analysis trap
Reimaging may be appropriate later, but it erases evidence and is too disruptive for initial containment in this situation.
Detailed technical explanation
How to think about this question
Network isolation can be achieved by applying a deny-all egress ACL on the VM's virtual switch port or by moving the VM to a quarantine network segment with no default gateway to the internet. This preserves the VM's running state, enabling live memory acquisition (e.g., via LiME or volatility) and disk forensics without powering off. In a real-world scenario, this approach is used in critical infrastructure (e.g., SCADA) where availability is paramount.
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 SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.
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 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 VM at the network layer while keeping it powered on. — Option B is correct because network isolation (e.g., applying a firewall ACL or moving the VM to a quarantine VLAN) stops outbound malicious traffic while keeping the revenue-critical system powered on and available for forensic analysis. This balances security containment with business continuity, as shutting down the VM (Option A) would cause a major outage, and waiting (Option C) would allow continued data exfiltration or lateral movement.
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". 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 11, 2026
This SY0-701 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 SY0-701 exam.
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