[Solved] Given this CronJob YAML snippet, what will happen?apiVersion: batch/v1 kind: CronJob metadata: name: hello-cron spec: schedule: "*/5 * * * *" jobTemplate: spec: template: spec: containers: - name:... | Kubernetes

Kubernetes - Scheduling

Given this CronJob YAML snippet, what will happen?

apiVersion: batch/v1
kind: CronJob
metadata:
  name: hello-cron
spec:
  schedule: "*/5 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: hello
            image: busybox
            command: ["echo", "Hello World"]
          restartPolicy: OnFailure

AThe job runs every 5 minutes but never prints anything.

BThe job runs once and never repeats.

CThe job runs every 5 minutes, printing "Hello World" once each time.

DThe job runs continuously without stopping.

Step-by-Step Solution

Solution:

Step 1: Understand the schedule field
The schedule "*/5 * * * *" means run every 5 minutes.
Step 2: Understand the jobTemplate behavior
Each scheduled time creates a Job that runs the container once, printing "Hello World".
Final Answer:
The job runs every 5 minutes, printing "Hello World" once each time. -> Option C
Quick Check:
CronJob schedule "*/5 * * * *" = every 5 minutes [OK]

Quick Trick: CronJob schedule "*/5 * * * *" means every 5 minutes [OK]

Common Mistakes:

Thinking CronJob runs only once
Assuming continuous running container
Ignoring the command output

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More Kubernetes Quizzes

Given this CronJob YAML snippet, what will happen?

Step 1: Understand the schedule field

Step 2: Understand the jobTemplate behavior

Final Answer:

Quick Check:

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