Exhibit
Backup vault policy: - Backup objects are encrypted with per-job data encryption keys (DEKs). - A key-encryption key (KEK) named vault-kek-v1 wraps the DEKs. - vault-kek-v1 will be rotated to vault-kek-v2 tonight. - Existing backup metadata still points to DEKs wrapped by vault-kek-v1. - Requirement: all backups from the last 18 months must remain restorable after rotation, with no mass re-encryption window.
Based on the exhibit, which action is required to keep the backups restorable after the key-encryption key rotation?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
Distractor review
Delete vault-kek-v1 immediately so only the newest key remains active.
Deleting the old KEK would break access to any DEKs still wrapped by that key. The exhibit states that existing backup metadata still depends on vault-kek-v1. Removing it before migration would make older backups unrecoverable, which directly conflicts with the restore requirement.
Best answer
Rewrap or keep access to the old KEK version until existing DEKs are migrated.
This is correct because the backups still depend on the old key-encryption key to unwrap their data-encryption keys. During key rotation, the organization must either keep the old KEK available or rewrap the DEKs with the new KEK before retiring the old one. That preserves restore capability without forcing a full mass re-encryption of the backup data.
Distractor review
Re-encrypt the entire backup repository with a single shared password.
A shared password is not an appropriate replacement for managed cryptographic keys, and re-encrypting the entire repository would be disruptive. The exhibit uses a proper DEK/KEK model, so the solution should preserve that structure. This option ignores the existing key hierarchy and the need to keep older backups recoverable during rotation.
Distractor review
Export vault-kek-v2 into the backup files so each object stores the new key directly.
Storing the new KEK directly in backup files would expose sensitive key material and undermine the whole purpose of key wrapping. Backups should store encrypted data and metadata, not plaintext keys. This would also make key management and rotation much harder, not easier.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Rewrap or keep access to the old KEK version until existing DEKs are migrated. — The correct action is to rewrap the DEKs or keep access to the old KEK version until all existing DEKs are migrated. In a DEK/KEK design, the data is encrypted by DEKs, and the KEK only protects those DEKs. If the backup objects still reference vault-kek-v1, then removing that KEK would prevent restores. Preserving the old key or rewrapping the DEKs allows rotation without breaking recovery. Why others are wrong: Deleting the old KEK would make older backups unreadable, which violates the restore requirement. Re-encrypting everything with a shared password is not a proper enterprise key-management approach and would be operationally weak. Putting the new KEK directly into the backup files would expose key material and defeats the purpose of key wrapping. The workflow must preserve access to the old wrapping key or migrate the wrapped DEKs first.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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