Given these node labels: nodeA: disktype=ssd, region=us-eastnodeB: disktype=ssd, region=us-westnodeC: disktype=hdd, region=us-west And a Pod spec with this nodeSelector:

medium📝 Command Output Q5 of 15

Kubernetes - Scheduling

Given these node labels:

And a Pod spec with this nodeSelector:

nodeSelector:
  disktype: ssd
  region: us-west

Which node(s) can the Pod be scheduled on?

AnodeB and nodeC

BnodeA and nodeB

COnly nodeB

DAll nodes

Step-by-Step Solution

Solution:

Step 1: Understand nodeSelector matching
Pod will be scheduled only on nodes matching all specified labels.
Step 2: Check nodes against labels
nodeB has disktype=ssd and region=us-west, matching both labels. nodeA has region=us-east, nodeC has disktype=hdd, so they don't match both labels.
Final Answer:
Only nodeB -> Option C
Quick Check:
Pod requires all labels to match node labels [OK]

Quick Trick: Pod schedules only on nodes matching all nodeSelector labels [OK]

Common Mistakes:

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