Latest KCNA Exam Labs & KCNA Exam Details
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The Linux Foundation KCNA exam is suitable for individuals who have a basic understanding of Linux and containers and want to deepen their knowledge of Kubernetes and cloud native technologies. It covers a range of topics, including Kubernetes architecture, deployment and maintenance, networking, security, and troubleshooting. KCNA exam is conducted online and consists of multiple-choice questions that test the candidate's understanding of these concepts.
The KCNA certification is an industry-recognized certification that is highly valued by employers. It is an excellent way for individuals to demonstrate their expertise in Kubernetes and cloud-native technologies, which are becoming increasingly important in today's digital landscape. Kubernetes and Cloud Native Associate certification is also a great way for individuals to advance their careers and take on more challenging roles in the field of cloud computing.
Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is a professional certification exam that validates the skills and knowledge of individuals in the field of Kubernetes and cloud native technologies. KCNA exam is designed for individuals who are interested in learning and mastering the fundamentals of Kubernetes and cloud native technologies, and who wish to demonstrate their expertise in these areas to potential employers.
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Linux Foundation Kubernetes and Cloud Native Associate Sample Questions (Q102-Q107):
NEW QUESTION # 102
In distributed system tracing, is the term used to refer to a request as it passes through a single com-ponent of the distributed system?
Answer: D
Explanation:
https://www.splunk.com/en_us/data-insider/what-is-distributed-tracing.html
NEW QUESTION # 103
You are building a distributed system with microservices deployed in a Kubernetes cluster. Each microservice has its own database. How would you manage the consistency and reliability of data across these microservices?
Answer: A,B,C,D
Explanation:
Managing data consistency and reliability in a distributed system with microservices is a complex challenge- There are various approaches to achieve this, including: Distributed Database System: Using a distributed database system like Cassandra or MongoDB allows for data replication and fault tolerance across different nodes. This ensures data availability and consistency. Message Broker A message broker can facilitate data synchronization between microservices- Messages are used to communicate data changes and ensure that all services are aware of the latest state. Distributed Transaction Manager: A distributed transaction manager ensures that multiple transactions across different microservices are completed as a single atomic operation. This helps maintain data consistency and integrity. Event Sourcing and CQRS: Event sourcing involves storing a sequence of events that represent changes to the system. CQRS (Command Query Responsibility Segregation) separates commands (which modify data) from queries (which retrieve data). This approach can help manage data consistency and provide a more robust architecture. The best approach depends on the specific requirements of your application, such as data consistency levels, performance needs, and scalability requirements.
NEW QUESTION # 104
Which authentication method allows JWTs to authenticate?
Answer: D
NEW QUESTION # 105
You have a microservice that relies on a separate authentication service. You want to implement fine-grained authorization using Istio based on request attributes like user roles or specific headers. What Istio feature would you use?
Answer: D
Explanation:
Istio's AuthonzationPolicy feature allows you to define granular authorization rules based on request attributes, including headers, user identities, and other context. This enables you to control access to microservices based on specific conditions. Option A is for authentication, not authorization. Option C is for traffic management. Option D is for telemetry. Option E is for service discovery and configuration.
NEW QUESTION # 106
Which control plane component is responsible for scheduling pods?
Answer: B
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 107
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