- A
Nightly incremental backups stored on the same file server as production data.
Why wrong: This keeps backups too close to production and gives an attacker with privileged access a single target to destroy.
- B
Immutable backups stored in a separate repository or offline location.
Immutable or offline backups reduce the chance that stolen administrative credentials can alter or delete recovery data.
- C
Hypervisor snapshots only, because they are always safer than backups.
Why wrong: Snapshots are useful for short-term recovery but are not a complete backup strategy and can still be vulnerable.
- D
Longer retention on the same backup share to keep more versions available.
Why wrong: More versions do not help if the attacker can reach and delete the entire backup repository with the same credentials.
Quick Answer
The correct answer is immutable backups stored in a separate repository or offline location because they enforce a write-once-read-many (WORM) policy that prevents deletion or modification even if an attacker has stolen domain admin credentials. In a ransomware incident, credential theft allows attackers to traverse the backup network and delete online backups, but immutability—often implemented via object lock or physical air gaps—ensures backup data remains intact until its retention period expires. On the Security+ SY0-701 exam, this scenario tests your understanding of backup integrity controls versus simple redundancy; a common trap is choosing offsite backups alone, which can still be deleted if credentials are compromised. Remember the memory tip: “Immutable means untouchable—even for an admin.”
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.
After a ransomware incident, management learns the attacker's stolen domain admin credentials were used to delete recent online backups from the same backup network. Which backup strategy would have most reduced the chance of permanent backup loss?
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
Immutable backups stored in a separate repository or offline location.
Immutable backups stored in a separate repository or offline location prevent deletion or modification by an attacker, even with domain admin credentials. This is because immutability enforces a write-once-read-many (WORM) policy, often implemented via object lock (e.g., S3 Object Lock) or a physical air gap, ensuring that backups cannot be altered or deleted before their retention period expires. In this scenario, the attacker's ability to delete online backups from the same network is mitigated because the immutable repository is isolated and resistant to credential-based tampering.
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.
- ✗
Nightly incremental backups stored on the same file server as production data.
Why it's wrong here
This keeps backups too close to production and gives an attacker with privileged access a single target to destroy.
- ✓
Immutable backups stored in a separate repository or offline location.
Why this is correct
Immutable or offline backups reduce the chance that stolen administrative credentials can alter or delete recovery data.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Hypervisor snapshots only, because they are always safer than backups.
Why it's wrong here
Snapshots are useful for short-term recovery but are not a complete backup strategy and can still be vulnerable.
- ✗
Longer retention on the same backup share to keep more versions available.
Why it's wrong here
More versions do not help if the attacker can reach and delete the entire backup repository with the same credentials.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume longer retention or same-server backups are sufficient, but the key is that immutability and isolation (air gap) are required to prevent an attacker with elevated credentials from deleting backups, which is a core concept tested in SY0-701 Domain 3.0 (Security Operations).
Detailed technical explanation
How to think about this question
Immutable backups rely on technologies like AWS S3 Object Lock with governance or compliance mode, or on-premises solutions using WORM tape or write-protected storage. In a real-world scenario, even with domain admin access, an attacker cannot delete objects locked in compliance mode until the retention period expires, and governance mode can be overridden only by users with specific permissions (e.g., s3:BypassGovernanceRetention). This contrasts with traditional backup shares where the backup service account or domain admin can delete files at will, as seen in attacks like Ryuk or Conti that specifically target backup directories.
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: Immutable backups stored in a separate repository or offline location. — Immutable backups stored in a separate repository or offline location prevent deletion or modification by an attacker, even with domain admin credentials. This is because immutability enforces a write-once-read-many (WORM) policy, often implemented via object lock (e.g., S3 Object Lock) or a physical air gap, ensuring that backups cannot be altered or deleted before their retention period expires. In this scenario, the attacker's ability to delete online backups from the same network is mitigated because the immutable repository is isolated and resistant to credential-based tampering.
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.
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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