- A
Consul
Why wrong: Consul can be a backend but is less common; S3 with DynamoDB is typical.
- B
HTTP
Why wrong: HTTP backend is possible but less common and doesn't natively support locking.
- C
S3 with DynamoDB locking
S3 backend with DynamoDB table for locking is a standard approach for team collaboration.
- D
local
Why wrong: Local backend stores state on disk, no remote sharing.
Question 872 of 997
CV0-004 Deployment Practice Question
This CV0-004 practice question tests your understanding of deployment. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 uses Terraform to manage infrastructure as code. After running terraform apply, the state file is stored locally. The team wants to enable collaboration by storing state remotely with locking to prevent concurrent modifications. Which backend should be configured?
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
✓
S3 with DynamoDB locking
Option C is correct because S3 provides a scalable, durable remote backend for Terraform state, and DynamoDB locking prevents concurrent modifications by acquiring a lock via a DynamoDB table before state operations. This combination is the standard AWS-native solution for team collaboration, as it supports state versioning, encryption, and consistent locking via DynamoDB's conditional writes.
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.
- ✗
Consul
Why it's wrong here
Consul can be a backend but is less common; S3 with DynamoDB is typical.
- ✗
HTTP
Why it's wrong here
HTTP backend is possible but less common and doesn't natively support locking.
- ✓
S3 with DynamoDB locking
Why this is correct
S3 backend with DynamoDB table for locking is a standard approach for team collaboration.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
local
Why it's wrong here
Local backend stores state on disk, no remote sharing.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose Consul or HTTP thinking they support locking, but Cisco tests the specific requirement for a fully managed, AWS-native solution with built-in locking, which only S3 with DynamoDB provides among the options.
Detailed technical explanation
How to think about this question
Under the hood, Terraform's S3 backend uses DynamoDB's conditional put-item operation to acquire a lock, which is released on state write completion; if a lock is held, other operations receive a 'LockInfo' error. A real-world scenario where this matters is when two team members run `terraform apply` simultaneously—without DynamoDB locking, both could write conflicting state, corrupting the infrastructure definition. The S3 backend also supports state file versioning via S3 object versioning, enabling rollback to previous states.
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 practitioner preparing for the CV0-004 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
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FAQ
Questions learners often ask
What does this CV0-004 question test?
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: S3 with DynamoDB locking — Option C is correct because S3 provides a scalable, durable remote backend for Terraform state, and DynamoDB locking prevents concurrent modifications by acquiring a lock via a DynamoDB table before state operations. This combination is the standard AWS-native solution for team collaboration, as it supports state versioning, encryption, and consistent locking via DynamoDB's conditional writes.
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This CV0-004 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CV0-004 exam.
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