An application consists of a web frontend and a cache backend. For performance, the frontend Pods should be scheduled on the same node as the cache Pods whenever possible, but not required. The cache Pods are labeled `app=cache`. Which podAffinity rule should be added to the frontend deployment?

podAffinity with requiredDuringSchedulingIgnoredDuringExecution, labelSelector matchLabels app=cache, topologyKey kubernetes.io/hostname

podAffinity with preferredDuringSchedulingIgnoredDuringExecution, labelSelector matchLabels app=cache, topologyKey kubernetes.io/hostname

podAntiAffinity with preferredDuringSchedulingIgnoredDuringExecution, labelSelector matchLabels app=cache, topologyKey kubernetes.io/hostname

nodeAffinity with preferredDuringSchedulingIgnoredDuringExecution, labelSelector matchLabels app=cache, topologyKey kubernetes.io/hostname

Which of the following best describes what a mutating admission controller does?

It modifies the object in the request before it is persisted, such as adding default values.

It authenticates the user making the request.

It selects which node a Pod will run on.

It rejects a request if the object does not conform to a policy.

In pod affinity, what does the topologyKey specify?

The label key on nodes that defines the topology domain for co-location or separation.

The namespace where the Pods are located.

The resource request for the Pod.

The name of the Pod that the affinity rule applies to.

Certified Kubernetes Administrator (CKA)

Domain 3Objective 5

Configure Pod Admission and Scheduling (limits, Node Affinity, Etc.) CKA Practice Questions (Page 6)

Part of the Workloads and Scheduling domain, which accounts for 15% of the CKA exam. Linux Foundation does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 2–2 from this objective — we provide 29 practice questions to prepare you well beyond it. (estimate)

29questions here

6free pages

10concepts

15%of the exam

Questions 26–29

26application · medium
An application consists of a web frontend and a cache backend. For performance, the frontend Pods should be scheduled on the same node as the cache Pods whenever possible, but not required. The cache Pods are labeled `app=cache`. Which podAffinity rule should be added to the frontend deployment?
Select an answer first
27foundation · easy
Which Kubernetes object is used to automatically assign default resource requests to containers that do not specify them?
Select an answer first
28foundation · easy
Which of the following best describes what a mutating admission controller does?
Select an answer first
29foundation · easy
In pod affinity, what does the topologyKey specify?
Select an answer first

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Configure Pod Admission and Scheduling (limits, Node Affinity, Etc.) CKA Practice Questions (Page 6)

Questions 26–29

An application consists of a web frontend and a cache backend. For performance, the frontend Pods should be scheduled on the same node as the cache Pods whenever possible, but not required. The cache Pods are labeled `app=cache`. Which podAffinity rule should be added to the frontend deployment?

Which Kubernetes object is used to automatically assign default resource requests to containers that do not specify them?

Which of the following best describes what a mutating admission controller does?

In pod affinity, what does the topologyKey specify?

Keep studying — Workloads and Scheduling