- A
Review the backup job logs and mark the backups as valid.
Why wrong: Logs show a backup completed, but they do not prove the data can be restored successfully.
- B
Perform a documented restore test in an isolated environment and validate the recovered data.
A restore test proves the backup can be recovered and helps confirm the data and services meet continuity requirements.
- C
Increase the retention period so more restore points are available later.
Why wrong: Longer retention may help future recovery, but it does not validate that the current backups are usable.
- D
Create a new full backup immediately after the incident and trust that one instead.
Why wrong: A new backup still needs testing; freshness alone does not guarantee successful recovery or data integrity.
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.
Following a ransomware incident, management wants to verify that backups are usable and that a restored file server will meet recovery expectations before declaring the system trusted again. Which action is best?
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
Perform a documented restore test in an isolated environment and validate the recovered data.
Option B is correct because performing a documented restore test in an isolated environment is the only action that directly validates the integrity and usability of backups, ensuring the restored file server meets recovery point objective (RPO) and recovery time objective (RTO) expectations. This process verifies that the backup data is not corrupted, encrypted, or incomplete, which is critical after a ransomware incident where backups may have been targeted. Without such a test, management cannot confidently declare the system trusted, as logs or retention changes do not prove data recoverability.
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.
- ✗
Review the backup job logs and mark the backups as valid.
Why it's wrong here
Logs show a backup completed, but they do not prove the data can be restored successfully.
- ✓
Perform a documented restore test in an isolated environment and validate the recovered data.
Why this is correct
A restore test proves the backup can be recovered and helps confirm the data and services meet continuity requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Increase the retention period so more restore points are available later.
Why it's wrong here
Longer retention may help future recovery, but it does not validate that the current backups are usable.
- ✗
Create a new full backup immediately after the incident and trust that one instead.
Why it's wrong here
A new backup still needs testing; freshness alone does not guarantee successful recovery or data integrity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume backup logs or increased retention are sufficient to prove recoverability, but CompTIA emphasizes that only a documented restore test in an isolated environment provides the empirical evidence needed to declare a system trusted after a security incident.
Trap categories for this question
Command / output trap
Logs show a backup completed, but they do not prove the data can be restored successfully.
Detailed technical explanation
How to think about this question
A documented restore test involves restoring the backup to an isolated, air-gapped environment (e.g., a separate VLAN or offline hypervisor) and running validation scripts (e.g., checksums, file integrity checks, or application-level tests) to confirm data consistency and functionality. In ransomware scenarios, attackers often delete or encrypt backup files, so testing ensures the backup is not a copy of encrypted data and that the restore process works within the defined RTO. Real-world incidents, such as the 2021 Colonial Pipeline attack, highlighted that untested backups can fail due to corruption or incomplete snapshots, making validation a critical step in incident recovery.
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.
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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: Perform a documented restore test in an isolated environment and validate the recovered data. — Option B is correct because performing a documented restore test in an isolated environment is the only action that directly validates the integrity and usability of backups, ensuring the restored file server meets recovery point objective (RPO) and recovery time objective (RTO) expectations. This process verifies that the backup data is not corrupted, encrypted, or incomplete, which is critical after a ransomware incident where backups may have been targeted. Without such a test, management cannot confidently declare the system trusted, as logs or retention changes do not prove data recoverability.
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.
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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