- A
Add more backups and schedule them every hour.
Why wrong: Backups are important for recovery, but they do not keep a live portal running when a server fails. They help restore data after an outage, not provide immediate service continuity.
- B
Use a second data center with synchronous replication and active-active clustering.
Why wrong: This provides strong resilience, but it is more complex and expensive than the requirement calls for. It is usually more than the minimum needed for a single-server failure scenario.
- C
Deploy a hot standby application server with automatic failover.
A hot standby provides a ready replacement if the primary application server fails, and automatic failover restores service without waiting for manual intervention. This design improves availability while staying simpler and less costly than a full active-active architecture across multiple sites. It matches the business need for continuity after one server failure without overengineering the solution.
- D
Restart the failed server manually after the help desk is notified.
Why wrong: Manual restart depends on human response time and leaves the portal unavailable until someone intervenes. It does not provide the level of availability the business wants.
High Availability for Single Server Failure: Hot Standby with Automatic Failover
This SY0-701 practice question tests your understanding of security architecture. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: hot standby servers are pre-configured and ready to take over immediately.. 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.
A customer portal must keep operating if one application server fails. Management wants the simplest and lowest-cost design that still improves availability. What should the team implement?
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
Deploy a hot standby application server with automatic failover.
A hot standby (active/passive) application server with automatic failover provides the simplest and lowest-cost improvement to availability. It eliminates the single point of failure by having a standby server ready to take over if the primary fails, without requiring complex load balancing or synchronous replication. This design directly addresses the requirement of keeping the portal operational during a single server failure while minimizing cost and complexity.
Key principle: Hot standby servers are pre-configured and ready to take over immediately.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add more backups and schedule them every hour.
Why it's wrong here
Backups are important for recovery, but they do not keep a live portal running when a server fails. They help restore data after an outage, not provide immediate service continuity.
- ✗
Use a second data center with synchronous replication and active-active clustering.
Why it's wrong here
This provides strong resilience, but it is more complex and expensive than the requirement calls for. It is usually more than the minimum needed for a single-server failure scenario.
- ✓
Deploy a hot standby application server with automatic failover.
Why this is correct
A hot standby provides a ready replacement if the primary application server fails, and automatic failover restores service without waiting for manual intervention. This design improves availability while staying simpler and less costly than a full active-active architecture across multiple sites. It matches the business need for continuity after one server failure without overengineering the solution.
Related concept
Hot standby servers are pre-configured and ready to take over immediately.
- ✗
Restart the failed server manually after the help desk is notified.
Why it's wrong here
Manual restart depends on human response time and leaves the portal unavailable until someone intervenes. It does not provide the level of availability the business wants.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse high availability with disaster recovery, choosing synchronous replication and a second data center (Option B) when a simpler active/passive failover within the same site meets the requirement at lower cost.
Trap categories for this question
Scenario analysis trap
This provides strong resilience, but it is more complex and expensive than the requirement calls for. It is usually more than the minimum needed for a single-server failure scenario.
Detailed technical explanation
How to think about this question
In a hot standby configuration, the standby server typically uses a virtual IP (VIP) and a heartbeat protocol (e.g., VRRP or CARP) to monitor the primary. Upon failure detection, the standby takes over the VIP and starts serving requests, often within seconds. This design avoids the cost of active-active load balancers and synchronous replication links, making it ideal for small-to-medium deployments where RTO is measured in minutes rather than seconds.
KKey Concepts to Remember
- Hot standby servers are pre-configured and ready to take over immediately.
- Automatic failover detects primary server failure and redirects traffic.
- Improves availability by minimizing downtime during a server outage.
- More cost-effective and simpler than multi-site active-active solutions for single-server failures.
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
Hot standby servers are pre-configured and ready to take over immediately.
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. Hot standby servers are pre-configured and ready to take over immediately. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
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FAQ
Questions learners often ask
What does this SY0-701 question test?
Security Architecture — This question tests Security Architecture — Hot standby servers are pre-configured and ready to take over immediately..
What is the correct answer to this question?
The correct answer is: Deploy a hot standby application server with automatic failover. — A hot standby (active/passive) application server with automatic failover provides the simplest and lowest-cost improvement to availability. It eliminates the single point of failure by having a standby server ready to take over if the primary fails, without requiring complex load balancing or synchronous replication. This design directly addresses the requirement of keeping the portal operational during a single server failure while minimizing cost and complexity.
What should I do if I get this SY0-701 question wrong?
Review hot standby servers are pre-configured and ready to take over immediately., then practise related SY0-701 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Hot standby servers are pre-configured and ready to take over immediately.
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Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
3 more ways this is tested on SY0-701
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A customer portal must continue operating if one application server fails. The business wants a simple, cost-conscious design that improves availability. What is the best approach?
easy- ✓ A.Add a second application server behind a load balancer.
- B.Schedule nightly backups to a different storage account.
- C.Buy a larger server with more CPU and memory.
- D.Move the portal to a different subnet without changing the servers.
Why A: Adding a second application server behind a load balancer creates an active-passive or active-active cluster that provides redundancy. If one server fails, the load balancer automatically redirects traffic to the healthy server, ensuring continuous operation. This design is cost-conscious because it uses commodity servers rather than expensive vertical scaling, and it directly improves availability by eliminating the single point of failure.
Variation 2. A customer portal must stay online if one application server fails. Which two design choices improve availability? Select two.
easy- ✓ A.Use load balancing across multiple application servers.
- ✓ B.Add a redundant standby server or failover target.
- C.Store the application logs on a larger disk.
- D.Increase the password length requirement for portal users.
- E.Place all traffic on a single high-performance server.
Why A: Option A is correct because load balancing distributes incoming traffic across multiple application servers. If one server fails, the load balancer automatically redirects traffic to the remaining healthy servers, ensuring the portal remains online. This design eliminates a single point of failure and provides fault tolerance through redundancy.
Variation 3. A customer portal must keep serving requests if one application server stops responding. The team wants traffic to be sent to whichever healthy server is available. Which design should they implement?
easy- ✓ A.A load balancer in front of multiple application servers
- B.A RAID 1 array in the application server
- C.A snapshot of the application server before each update
- D.A longer password policy for the portal administrators
Why A: A load balancer distributes incoming traffic across multiple application servers and performs health checks (e.g., HTTP GET requests to a /health endpoint) to detect failures. If one server stops responding, the load balancer automatically routes requests only to the remaining healthy servers, ensuring continuous availability. This design directly meets the requirement for fault tolerance and active traffic distribution.
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Last reviewed: Jun 11, 2026
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