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Free JN0-420: Automation and DevOps Specialist Exam Questions and Answers
Last updated: April 1, 2025
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1107-JN0-420: Automation and DevOps Specialist
#Question
A DevOps team is planning a post-mortem for a recent incident. What is the most important aspect to focus on?
A.
Blame assignment
B.
Root cause analysis
C.
Team performance metrics
D.
Future automation plans
Correct Answer:
B
Focusing on root cause analysis during a post-mortem allows the team to understand what led to the incident, enabling them to implement changes that prevent similar issues in the future without assigning blame.
#Question
A network engineer needs to troubleshoot connectivity issues in a distributed system. What should they check first?
A.
Route propagation
B.
Network topology
C.
Firewall logs
D.
Host availability
Correct Answer:
B
Checking the network topology first can provide insights into the overall structure and dependencies of the distributed system, helping identify potential configuration or structural issues leading to connectivity problems.
#Question
A team is optimizing their microservices architecture. What practice should they prioritize?
A.
API versioning
B.
Manual deployments
C.
Monolith integration
D.
Synchronized codebases
Correct Answer:
A
Prioritizing API versioning in microservices architecture enables teams to handle changes and backward compatibility smoothly, ensuring that services can evolve without breaking existing consumers.
#Question
A developer notices that deploying a new feature introduces latency in their application. What should they analyze first?
A.
Server settings
B.
User feedback
C.
Performance profiling
D.
Code complexity
Correct Answer:
C
Performance profiling allows the developer to pinpoint specific areas in the application where latency is introduced, providing insights into how to optimize the feature for better performance.
#Question
A cloud architect is implementing load balancing for web servers. What metric is most important to consider?
A.
Server rack location
B.
Number of active users
C.
Application response time
D.
Total storage capacity
Correct Answer:
C
Application response time is critical when implementing load balancing as it ensures that users experience minimal delays during requests, leading to better overall performance and customer satisfaction.
#Question
A software engineer is tasked with managing secrets in their application. What should they implement?
A.
Encrypt configuration files
B.
Ignore security altogether
C.
Use default passwords
D.
Store in plain text
Correct Answer:
A
Encrypting configuration files to manage secrets ensures that sensitive information, such as API keys and database credentials, is protected from unauthorized access.
#Question
A DevOps team is receiving numerous false positive alerts during network monitoring. What should they do first?
A.
Adjust alert thresholds
B.
Ignore alerts
C.
Increase monitoring frequency
D.
Change monitoring software
Correct Answer:
A
Adjusting alert thresholds to better reflect normal operating conditions can help reduce false positives, ensuring that the team is only alerted to genuine issues.
1107-JN0-420: Automation and DevOps Specialist
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