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❓ Quiz Question

Oct 25, 2026

Quiz: In the Saga Pattern, what is the key difference between Choreography and Orchestration?

… Choreography , microservices react to events autonomously. In Orchestration , an orchestrator orchestrates the sequence of commands and compensations.

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❓ Quiz Question

Oct 25, 2026

Quiz: What is a 'Celery Chord' in distributed task orchestration?

A chord consists of a header task group executed in parallel, followed by a callback task that triggers only after all header tasks succeed.

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❓ Quiz Question

Aug 30, 2026

Quiz: How does ServiceAccount token projection work with cloud provider IAM (e.g. AWS IRSA)?

ServiceAccount token projection exchanges K8s service tokens for temporary cloud provider IAM credentials.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is a Container Network Interface (CNI) plugin (e.g. Calico, Cilium, Flannel)?

CNI plugins establish flat overlay or routed network fabrics connecting all cluster Pods.

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❓ Quiz Question

Aug 30, 2026

Quiz: What does a Pod Lifecycle status of `CrashLoopBackOff` mean?

CrashLoopBackOff indicates application code crashes immediately upon execution.

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❓ Quiz Question

Aug 30, 2026

Quiz: What component scales cluster worker node count up or down based on unschedulable Pods and node utilization?

Cluster Autoscaler provisions or terminates cloud VM instances when Pods cannot fit on existing nodes.

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❓ Quiz Question

Aug 30, 2026

Quiz: What security feature restricts a Pod container from running as root user or modifying root filesystem?

SecurityContext defines privilege and access control settings for Pod containers.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is Vertical Pod Autoscaler (VPA)?

VPA adjusts individual Pod container resource sizing rather than scaling replica count.

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