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CV0-004 Practice Question: A cloud operations team is investigating why a…
A cloud operations team is investigating why a batch processing job that runs nightly in a cloud environment has been failing intermittently. The job processes data from an external API and writes results to a database. The error logs show "Connection timed out" when calling the external API. However, manual calls from the same cloud environment succeed. What is the most likely cause?
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
✓
The external API rate limit has been exceeded.
Intermittent timeouts during batch execution suggest the external API is rate-limiting the high volume of automated calls, while manual calls succeed because they are infrequent.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The external API rate limit has been exceeded.
Why this is correct
Correct. Rate limiting causes intermittent timeouts when batch calls exceed the allowed threshold, while manual calls succeed.
- ✗
The database connection pool is exhausted.
Why it's wrong here
Database errors would show different messages, not API timeouts.
- ✗
The batch job's service account has been disabled.
Why it's wrong here
A disabled account would result in consistent authentication failures, not intermittent timeouts.
- ✗
The cloud firewall is blocking outbound traffic during the batch window.
Why it's wrong here
Firewall blocks would cause all outbound calls to fail consistently.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.