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Free PCA - Prometheus Certified Associate Exam Questions and Answers
Last updated: April 30, 2025
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PCA - Prometheus Certified Associate
#Question
217. Which type of logging format does Prometheus use to scrape metrics data from applications?
A.
CSV
B.
Plain text
C.
XML
D.
JSON
Correct Answer:
B
Prometheus scrapes metrics data formatted as plain text exposed by applications, ensuring compatibility and readability for scraping tasks.
#Question
215. When configuring alert thresholds, what is a common strategy to avoid alert fatigue for non-critical metrics?
A.
Use vague definitions
B.
Set higher thresholds
C.
Increase frequency
D.
Increase alert volume
Correct Answer:
B
Setting higher thresholds for non-critical metrics helps avoid alert fatigue by reducing the number of alerts generated for minor fluctuations.
#Question
214. How does Prometheus handle scraping from services behind a load balancer?
A.
Requires configuration
B.
Automatically discovers
C.
Regularly scrapes
D.
Ignores load balancing
Correct Answer:
C
Prometheus regularly scrapes metrics from services behind a load balancer as long as configured properly, treating them as regular targets.
#Question
213. Which monitoring practice helps minimize the overhead on Prometheus when managing many targets?
A.
Avoid alerting
B.
Aggregate metrics
C.
Use high retention
D.
Increase scrape duration
Correct Answer:
B
Aggregating metrics can help reduce overhead on Prometheus, allowing it to manage many targets effectively without overwhelming the system.
#Question
212. In Prometheus, what key benefit does alerting on high error rates provide?
A.
Reduces server load
B.
Enhances data storage
C.
Maintains service reliability
D.
Confirms application shutdown
Correct Answer:
C
Setting up alerts for high error rates allows teams to maintain service reliability by quickly responding to issues that may impact users.
#Question
211. What is the advantage of aggregating metrics in Prometheus?
A.
Improves storage
B.
Reduces complexity
C.
Simplifies analysis
D.
Increases detail
Correct Answer:
C
Aggregating metrics helps simplify analysis by consolidating data, allowing users to focus on key trends without the noise of individual data points.
#Question
130. What type of alert would typically use the for clause in Prometheus configurations?
A.
Warning alerts
B.
Periodic alerts
C.
Critical alerts
D.
Informational alerts
Correct Answer:
C
Alerts that require a condition to be in effect for a certain period use the for clause, helping to avoid false positives from transient conditions.
PCA - Prometheus Certified Associate
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FAQ
Q1: What are CNCF Certification Exams? A: CNCF (Cloud Native Computing Foundation) Certification Exams validate your expertise in cloud-native technologies, including Kubernetes, Prometheus, and other cloud-native tools. These certifications demonstrate your proficiency in deploying, managing, and troubleshooting cloud-native applications and infrastructures.
Q2: Why should I pursue CNCF Certification? A: CNCF Certification enhances your professional credibility, showcasing your skills and knowledge in cloud-native technologies. This can lead to better job opportunities, higher salaries, and career advancement in the cloud computing and IT industries.
Q3: What are the benefits of CNCF Certification? A: Benefits include recognition as a certified cloud-native professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest cloud-native technologies and best practices.
Q4: Who should take CNCF Certification Exams? A: Cloud engineers, DevOps professionals, system administrators, IT architects, and anyone involved in managing cloud-native environments should consider these certifications to validate their expertise and advance their careers.
Q5: What types of CNCF Certification Exams are available? A: CNCF offers various certification paths, including:
- Certified Kubernetes Administrator (CKA)
- Certified Kubernetes Application Developer (CKAD)
- Certified Kubernetes Security Specialist (CKS)
Each certification path is tailored to different roles and expertise levels within the cloud-native ecosystem.
Q6: How do I prepare for CNCF Certification Exams? A: Preparation can include official CNCF training courses, study guides, practice exams, online tutorials, and hands-on experience with cloud-native technologies like Kubernetes.
Q7: Where can I take CNCF Certification Exams? A: CNCF Certification Exams can be taken online with remote proctoring, providing flexibility to fit your schedule and location.
Q8: How do CNCF Certifications impact my career? A: CNCF Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in cloud computing and IT.
Q9: Are there any prerequisites for CNCF Certification Exams? A: Some exams may have prerequisites, such as foundational knowledge or prior experience with cloud-native technologies. Check the specific requirements for each certification path on the CNCF website.
Q10: How often do I need to recertify for CNCF Certifications? A: CNCF Certifications typically require recertification every three years to ensure certified professionals stay updated with the latest cloud-native technologies and industry practices.
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