ACA-CloudNative Exam Dumps - ACA Cloud Native Certification Exam

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Question # 17

Which of the following are security features supported by Alibaba Cloud Container Service for

Kubernetes (ACK)? (Number of correct answers: 3)

Score 2

AuthN, AuthZ

Role-based Access Control

DevSecOps includes scanning container images, and signing container images in ACR Default

Instance Edition and Enterprise Edition

Data encryption of volumes

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Question # 18

ACK(Alibaba Cloud Container Service for Kubernetes) supports HPA, CronHPA, VPA with multiple dimension external metrics rather than only scale by cpu and memory metrics.

True

False

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Question # 19

To deploy Istio on ACK, the version of the Kubernetes cluster is VI .10.4 or later.

True

False

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Question # 20

For worker nodes, which of the following statements are correct? (Number of correct answers: 3)

Score 2

If worker node capacity is more than 1000 cores, consider using EBM (ECS Bare Metal).

You should choose higher instance specifications, because you can run more tasks on a single

worker node this way, improving utilization.

You should choose the lowest possible instance specification for your workers, to reduce costs.

Ensure redundant worker node capacity for each running pod.

Attach data disk to worker nodes, because Docker image, system logs, and temp data will

consume space. Without a data disk, systems can quickly run out of disk space.

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Question # 21

If replicas in Alibaba Cloud Elasticsearch cluster are configured and nodes in one zone fail, the nodes in the remaining zones can still provide services without interruption.

True

False

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Question # 22

Which services can also be used for register cluster? (The number of correct answer: 3)

Logservice

ARMS

ARMS-Prometheus

Cloud Monitor

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Question # 23

Mesh expansion is a method based on the Istio service mesh deployed on Kubernetes. With this method, you can integrate VMs or bare metal hosts into the service mesh.

True

False

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