The answer is an active-passive design with replicated data and automatic failover. This is the correct choice because it directly balances the need for high availability against the lowest-cost design: standby resources in the secondary site remain idle until a failure occurs, avoiding the continuous operational expense of running duplicate active systems. For the Security+ SY0-701 exam, this scenario tests your understanding of disaster recovery and fault tolerance concepts, often appearing in questions that contrast cost versus complexity. A common trap is assuming active-active is always better for availability, but the exam emphasizes that active-passive reduces cost and licensing overhead while still meeting the requirement to survive a single server failure and a primary site outage. Memory tip: think “passive saves cash, active burns cash”—when the business wants the cheapest improvement, choose the design that keeps spare resources sleeping until needed.
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 online ticketing system must survive a single server failure and continue operating after a primary site outage. The business wants the lowest-cost design that still improves availability. Which architecture is best?
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.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use an active-passive design with replicated data and automatic failover to a secondary site.
An active-passive design with replicated data and automatic failover (Option B) meets the requirement of surviving a single server failure and a primary site outage while minimizing cost. Unlike active-active, it uses standby resources that only activate during failover, reducing operational expense. This architecture improves availability without the complexity and cost of multi-region active-active deployment.
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.
✗
Deploy active-active servers across multiple regions with load balancing.
Why it's wrong here
Active-active provides strong resilience, but it is usually more expensive than the minimum needed here.
✓
Use an active-passive design with replicated data and automatic failover to a secondary site.
Why this is correct
Active-passive redundancy balances cost and resilience by keeping a standby environment ready for server or site failure.
Clue confirmation
The clue words "best", "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Schedule nightly backups and restore only after the outage is confirmed.
Why it's wrong here
Backups alone do not provide continuity during an outage and require longer recovery time.
✗
Add RAID to the server to protect against all availability failures.
Why it's wrong here
RAID helps with disk failure, but it does not address full server or site outage scenarios.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose active-active (Option A) because it offers the highest availability, but they overlook the explicit 'lowest-cost' constraint, which makes the cheaper active-passive design the correct answer despite its slightly longer failover time.
Trap categories for this question
Scenario analysis trap
RAID helps with disk failure, but it does not address full server or site outage scenarios.
Detailed technical explanation
How to think about this question
In an active-passive architecture, the secondary site typically uses synchronous or asynchronous replication (e.g., SQL Server Always On, Oracle Data Guard) to maintain a consistent copy of data. Automatic failover relies on heartbeat monitoring and DNS or IP takeover (e.g., using virtual IPs or cloud load balancers) to redirect traffic within seconds to minutes. The trade-off is that passive resources are idle during normal operation, which is cost-effective but may require careful capacity planning to ensure the secondary can handle the full load during failover.
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 analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SY0-701 question in full detail.
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: Use an active-passive design with replicated data and automatic failover to a secondary site. — An active-passive design with replicated data and automatic failover (Option B) meets the requirement of surviving a single server failure and a primary site outage while minimizing cost. Unlike active-active, it uses standby resources that only activate during failover, reducing operational expense. This architecture improves availability without the complexity and cost of multi-region active-active deployment.
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", "primary". 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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Question Discussion
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