KCNA practice questions 121–130

1. Question 121 · 282 in bank

   Which of the following are tasks performed by a container orchestration tool?

   • ASchedule, scale, and manage the health of containers.
   • BCreate images, scale, and manage the health of containers.
   • CDebug applications, and manage the health of containers.
   • DStore images, scale, and manage the health of containers.

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   Answer: A

   References

   • Google Cloud documentation

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2. Question 122 · 282 in bank

   CI/CD stands for:

   • AContinuous Information / Continuous Development
   • BContinuous Integration / Continuous Development
   • CCloud Integration / Cloud Development
   • DContinuous Integration / Continuous Deployment

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   Answer: D

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3. Question 123 · 282 in bank

   Which of the following is a definition of Hybrid Cloud?

   • AAn architecture that uses a combination of services running in public and private data centers, only including data centers from the same cloud provider.
   • BA cloud native architecture that uses a combination of services running in public clouds, excluding data centers in different availability zones.
   • CA cloud native architecture that uses a combination of services running in different public and private clouds, including on-premises data centers.
   • DAn architecture that uses a combination of services running in public and private data centers, excluding serverless functions.

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   Answer: C

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4. Question 124 · 282 in bank

   What is a Kubernetes Service Endpoint?

   • AIt is the API Endpoint of our Kubernetes cluster.
   • BIt is a name of special Pod in kube-system namespace.
   • CIt is an IP address that we can access from the Internet.
   • DIt is an object that gets IP addresses of individual Pods assigned to it.

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   Answer: D

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5. Question 125 · 282 in bank

   Why is Cloud-Native Architecture important?

   • ACloud Native Architecture revolves around containers, microservices and pipelines.
   • BCloud Native Architecture removes constraints to rapid innovation.
   • CCloud Native Architecture is modern for application deployment and pipelines.
   • DCloud Native Architecture is a bleeding edge technology and service.

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   Answer: B

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6. Question 126 · 282 in bank

   Which kubernetes component is the smallest deployable unit of computing?

   • AStatefulSet
   • BDeployment
   • CPod
   • DContainer

   Show answer

   Answer: C

   Explanation

   Explanation: • In Kubernetes, the smallest deployable unit of computing is a Pod. • A Pod represents a single instance of a running process in your cluster. • It can contain one or more containers that are tightly coupled and share the same network namespace, IPC namespace, and other resources. • Pods are the basic building blocks of Kubernetes applications and are scheduled onto nodes in the cluster.

   Source: Adapted from community discussion — EzBL

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7. Question 127 · 282 in bank

   Which are the two primary modes for Service discovery within a Kubernetes cluster?

   • AEnvironment variables and DNS
   • BAPI Calls and LDAP
   • CLabels and Radius
   • DSelectors and DHCP

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   Answer: A

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8. Question 128 · 282 in bank

   Which of the following capabilities are you allowed to add to a container using the Restricted policy?

   • ACHOWN
   • BSYS_CHROOT
   • CSETUID
   • DNET_BIND_SERVICE

   Show answer

   Answer: D

   Explanation

   https://kubernetes.io/docs/concepts/security/pod-security-standards/ Capabilities (v1.22+) Containers must drop ALL capabilities, and are only permitted to add back the NET_BIND_SERVICE capability. This is Linux only policy in v1.25+ (.spec.os.name != "windows")

   Source: Adapted from community discussion — Andrei_Z

   References

   • Kubernetes documentation

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9. Question 129 · 282 in bank

   What methods can you use to scale a deployment?

   • AWith kubectl edit deployment exclusively.
   • BWith kubectl scale-up deployment exclusively.
   • CWith kubectl scale deployment and kubectl edit deployment.
   • DWith kubectl scale deployment exclusively.

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   Answer: C

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10. Question 130 · 282 in bank

    Which is an industry-standard container runtime with an “emphasis” on simplicity, robustness, and portability?

    • Acri-o
    • Blxd
    • Ccontainerd
    • Dkata-runtime

    Show answer

    Answer: C

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KCNA practice, question 121. 282 questions available.