- A
Tokenize primary account numbers before they reach analytics, reporting, or test systems.
Tokenization replaces sensitive values with nonusable substitutes while preserving business usefulness for many workflows. Analysts can still correlate records, but exposed reports and test data no longer reveal the true card number. This is especially valuable for payment data because it reduces the number of environments that ever handle the actual secret value.
- B
Store backups on the same production storage array to simplify restore operations.
Why wrong: Keeping backups on the same array creates a shared failure domain and weakens ransomware resilience.
- C
Encrypt backup sets with keys managed outside the backup repository itself.
If backup media is stolen, strong encryption prevents the attacker from reading the contents. Separating key management from the repository reduces the chance that access to the backup system automatically exposes the encryption keys. This is a standard safeguard for backups that may be transported, replicated, or otherwise removed from the primary data center.
- D
Use simple masking only in spreadsheets while leaving the source database unchanged.
Why wrong: Spreadsheet masking helps only a narrow view and does not protect the underlying source data.
- E
Keep one immutable or air-gapped backup copy to resist ransomware and theft.
An immutable or air-gapped backup copy protects recovery data from tampering, deletion, and encryption by ransomware. It also limits the impact of a stolen online backup system because the recovery copy is separated from active write access. This is a core resilience control when backup compromise is part of the threat model.
SY0-701 Security Architecture Practice Question
This SY0-701 practice question tests your understanding of security architecture. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An organization stores full payment card numbers, analysts need the last four digits for investigation, and the backup team is worried about ransomware and stolen backup media. Which three controls best address these requirements? Select three.
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
Tokenize primary account numbers before they reach analytics, reporting, or test systems.
Tokenization replaces the full primary account number (PAN) with a unique token that retains the last four digits for analytics, so analysts can perform investigations without exposing sensitive cardholder data. This directly satisfies PCI DSS requirements for minimizing the use of full PANs in non-production environments, while preserving the utility needed for fraud analysis or reporting.
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.
- ✓
Tokenize primary account numbers before they reach analytics, reporting, or test systems.
Why this is correct
Tokenization replaces sensitive values with nonusable substitutes while preserving business usefulness for many workflows. Analysts can still correlate records, but exposed reports and test data no longer reveal the true card number. This is especially valuable for payment data because it reduces the number of environments that ever handle the actual secret value.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Store backups on the same production storage array to simplify restore operations.
Why it's wrong here
Keeping backups on the same array creates a shared failure domain and weakens ransomware resilience.
- ✓
Encrypt backup sets with keys managed outside the backup repository itself.
Why this is correct
If backup media is stolen, strong encryption prevents the attacker from reading the contents. Separating key management from the repository reduces the chance that access to the backup system automatically exposes the encryption keys. This is a standard safeguard for backups that may be transported, replicated, or otherwise removed from the primary data center.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use simple masking only in spreadsheets while leaving the source database unchanged.
Why it's wrong here
Spreadsheet masking helps only a narrow view and does not protect the underlying source data.
- ✓
Keep one immutable or air-gapped backup copy to resist ransomware and theft.
Why this is correct
An immutable or air-gapped backup copy protects recovery data from tampering, deletion, and encryption by ransomware. It also limits the impact of a stolen online backup system because the recovery copy is separated from active write access. This is a core resilience control when backup compromise is part of the threat model.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse tokenization with masking or encryption, assuming any obfuscation technique is sufficient, but tokenization is the only option that irreversibly removes the full PAN from analytics systems while preserving the last four digits for investigation.
Detailed technical explanation
How to think about this question
Tokenization works by generating a random or cryptographic token that maps to the original PAN in a secure vault, with the mapping stored separately from the tokenized data. In practice, the token can be configured to reveal only the last four digits (e.g., via a format-preserving token that retains those characters), allowing analysts to perform lookups or joins without ever accessing the full PAN. This differs from encryption, which is reversible if the key is compromised, whereas tokenization is irreversible unless the token vault is breached.
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 developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
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 Architecture — This question tests Security Architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Tokenize primary account numbers before they reach analytics, reporting, or test systems. — Tokenization replaces the full primary account number (PAN) with a unique token that retains the last four digits for analytics, so analysts can perform investigations without exposing sensitive cardholder data. This directly satisfies PCI DSS requirements for minimizing the use of full PANs in non-production environments, while preserving the utility needed for fraud analysis or reporting.
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.
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Last reviewed: Jun 11, 2026
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