The correct answer is to configure the logging framework to write to a central log server over the network. This is the best solution because ephemeral storage is inherently non-persistent—when an instance is terminated or replaced during auto-scaling events, any data written to local disk is permanently lost. By routing logs to a remote, centralized destination via protocols like syslog or HTTP, you decouple log preservation from the compute lifecycle, ensuring that critical audit trails survive scaling events. On the CompTIA Cloud+ CV0-004 exam, this scenario tests your understanding of centralized logging in cloud architectures where ephemeral storage is the norm; a common trap is assuming that modifying the storage type (e.g., attaching persistent volumes) is the primary fix, but the exam emphasizes that the logging framework itself must be network-aware. Remember the mnemonic: “Logs to the network, not to the disk—if the server goes, the logs don’t risk.”
CV0-004 Deployment Practice Question
This CV0-004 practice question tests your understanding of deployment. 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.
A company is migrating a legacy application to the cloud using a replatforming strategy. The application uses a proprietary logging framework that writes logs to local disk. The cloud architecture uses ephemeral storage for the application servers. The operations team notices that logs are lost when servers are replaced during auto-scaling events. What is the best solution to ensure logs are preserved?
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 the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure the logging framework to write to a central log server over the network.
Option D is correct because the core issue is that ephemeral storage is lost when instances are terminated or replaced during auto-scaling events. By configuring the logging framework to write to a central log server over the network (e.g., using syslog, HTTP, or a dedicated log aggregation service), logs are persisted independently of the application server's lifecycle. This decouples log storage from compute resources, ensuring logs survive scaling events.
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.
✗
Increase the size of the ephemeral storage.
Why it's wrong here
Ephemeral storage does not persist across instance replacement.
✗
Use memory-only logging to speed up disk I/O.
Why it's wrong here
Memory-only logs are lost on instance termination.
✗
Disable auto-scaling for the application servers.
Why it's wrong here
Eliminates elasticity and may lead to performance issues.
✓
Configure the logging framework to write to a central log server over the network.
Why this is correct
Ensures logs are stored externally and persist beyond instance lifecycle.
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 may think increasing storage or optimizing local I/O solves the persistence problem, but the exam tests understanding that ephemeral storage is inherently non-persistent and that logs must be sent off-instance to survive instance replacement.
Detailed technical explanation
How to think about this question
In cloud environments, ephemeral storage (instance store) is tied to the lifecycle of the virtual machine; when the instance is stopped, terminated, or replaced, all data on ephemeral volumes is lost. A centralized logging architecture typically uses protocols like syslog (RFC 5424) or structured logging over HTTP/HTTPS to forward logs to a persistent store such as Amazon CloudWatch Logs, Azure Monitor, or a self-managed ELK stack. This approach also enables log aggregation, search, and alerting across all instances, which is critical for operational visibility in auto-scaling groups.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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.
Deployment — This question tests Deployment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure the logging framework to write to a central log server over the network. — Option D is correct because the core issue is that ephemeral storage is lost when instances are terminated or replaced during auto-scaling events. By configuring the logging framework to write to a central log server over the network (e.g., using syslog, HTTP, or a dedicated log aggregation service), logs are persisted independently of the application server's lifecycle. This decouples log storage from compute resources, ensuring logs survive scaling events.
What should I do if I get this CV0-004 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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Question Discussion
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