- A
Move the appliance onto the flat user VLAN so the team can monitor it with standard workstation tools.
Why wrong: This increases exposure and lateral movement risk by mixing the appliance with general user traffic.
- B
Restrict network paths to only the required upstream and downstream systems through firewall allow-lists.
This limits attack surface by allowing only necessary traffic, which directly reduces the likelihood of exploitation.
- C
Declare the risk fully accepted and make no configuration changes until the replacement is ready.
Why wrong: Risk acceptance documents the issue, but it does not reduce exposure during the 60-day operational window.
- D
Add compensating controls such as application allow-listing, enhanced logging, and SIEM alerting.
These compensating controls lower residual risk by narrowing what can run and improving detection of misuse.
- E
Disable logging because the appliance is already at capacity and logs can slow it down.
Why wrong: Removing logs reduces visibility and makes containment and investigation much harder if the appliance is compromised.
Quick Answer
The correct answer is network segmentation and application allow-listing as compensating controls for an unpatched Linux appliance. Network segmentation reduces the attack surface by restricting the appliance’s communication to only essential upstream and downstream systems via firewall allow-lists, preventing lateral movement from an unpatched, vulnerable host. Application allow-listing further hardens the device by ensuring only pre-approved executables can run, blocking unauthorized scripts or malware that might exploit unpatched flaws. On the Security+ SY0-701 exam, this scenario tests your understanding of risk mitigation strategies when patching is impossible—a common trap is choosing “disable the service” or “unplug the appliance,” which would break business operations. Instead, remember that compensating controls buy time without removing functionality. Memory tip: “Segment and Allow” – segment the network to limit exposure, then allow only trusted applications to execute.
SY0-701 Security Program Management and Oversight Practice Question
This SY0-701 practice question tests your understanding of security program management and oversight. 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 customer portal team must keep an unsupported Linux appliance online for 60 days while a replacement is built. The appliance processes payment tokens and cannot be patched until the vendor certifies the new image. Which two actions best reduce the residual risk during the 60-day window? 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.
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
Restrict network paths to only the required upstream and downstream systems through firewall allow-lists.
Option B is correct because restricting network paths to only required upstream and downstream systems via firewall allow-lists reduces the attack surface by limiting the appliance's exposure to unnecessary network traffic. This is a classic network segmentation compensating control that mitigates the risk of lateral movement from an unpatched, vulnerable system. By enforcing strict ingress/egress rules, the team can prevent unauthorized access and contain potential exploits during the 60-day window.
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.
- ✗
Move the appliance onto the flat user VLAN so the team can monitor it with standard workstation tools.
Why it's wrong here
This increases exposure and lateral movement risk by mixing the appliance with general user traffic.
- ✓
Restrict network paths to only the required upstream and downstream systems through firewall allow-lists.
Why this is correct
This limits attack surface by allowing only necessary traffic, which directly reduces the likelihood of exploitation.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Declare the risk fully accepted and make no configuration changes until the replacement is ready.
Why it's wrong here
Risk acceptance documents the issue, but it does not reduce exposure during the 60-day operational window.
- ✓
Add compensating controls such as application allow-listing, enhanced logging, and SIEM alerting.
Why this is correct
These compensating controls lower residual risk by narrowing what can run and improving detection of misuse.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Disable logging because the appliance is already at capacity and logs can slow it down.
Why it's wrong here
Removing logs reduces visibility and makes containment and investigation much harder if the appliance is compromised.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think 'accepting the risk' (Option C) is the only valid response when a patch cannot be applied, but CompTIA expects you to recognize that compensating controls must still be implemented to reduce residual risk to an acceptable level.
Detailed technical explanation
How to think about this question
Firewall allow-lists (whitelists) operate by default-deny rules, typically implemented via stateful inspection or ACLs on Layer 3/4, which block all traffic except explicitly permitted source/destination IPs and ports. In practice, this might involve creating a dedicated DMZ or isolated VLAN with a single rule allowing only the payment gateway and database server IPs, while dropping all other inbound and outbound traffic. This approach aligns with the principle of least privilege and is a standard compensating control under PCI DSS Requirement 1.3 for network segmentation of cardholder data environments.
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 Program Management and Oversight — This question tests Security Program Management and Oversight — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Restrict network paths to only the required upstream and downstream systems through firewall allow-lists. — Option B is correct because restricting network paths to only required upstream and downstream systems via firewall allow-lists reduces the attack surface by limiting the appliance's exposure to unnecessary network traffic. This is a classic network segmentation compensating control that mitigates the risk of lateral movement from an unpatched, vulnerable system. By enforcing strict ingress/egress rules, the team can prevent unauthorized access and contain potential exploits during the 60-day window.
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
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