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  • Exam Name: ACA Cloud Native Certification Exam
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ACA-CloudNative Practice Exam Questions with Answers ACA Cloud Native Certification Exam Certification

Question # 6

For database migration, if the source database uses Oracle database features, which Alibaba Cloud

database should you choose for migration?

Score 2

A.

PolarDB

B.

RDS

C.

AnalyticDB

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Question # 7

Which of the following is correct regarding Alibaba Serverless Kubernetes (ASK) scaling?

Score 2

A.

Scaling out to 500 Pods takes about 30s

B.

Scaling out to 500 Pods takes about 50s

C.

Scaling out to 500 Pods takes about 90s

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Question # 8

Which of the following options are correct about scale up in Hybrid-cloud solution? (The number of correct answer: 3)

A.

The pods can be scale up to ASK (serverless cluster)

B.

The pods can be scale up to Vitual Node

C.

The pods can be scale up to normal worker nodes, such as ECS

D.

The pods can be scale up to Zero-load Node

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Question # 9

Which types of Volume are supported by Alibaba Serverless Kubernetes (ASK)? (Number of

correct answers: 3)

Score 2

A.

Cloud Disk

B.

NAS

C.

OSS

D.

Local Disk

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Question # 10

Master nodes managed by Alibaba Cloud support Container Service for Kubernetes

(ACK) managed clusters

Score 2

A.

True

B.

False

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Question # 11

When we use beats to collect Alibaba Cloud Kubernetes data, to what level should we deploy it?

A.

Deployment

B.

DeamonSet

C.

Sidecar

D.

StatefulSet

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Question # 12

Why is an RDMA network advantageous for machine learning tasks?

Score 2

A.

Because it will accelerate the speed of communication between each node

B.

Because it will improve the performance of an ML job

C.

Because it will save costs

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Question # 13

Does multi-cluster separate running on Alibaba Cloud and IDC can be managed by Federation?

A.

True

B.

False

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Question # 14

ARMS-Prometheus can monitor node usage from multiple clusters.Score 2

A.

True

B.

False

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Question # 15

Which service can monitor infrastructure utilization?

A.

CloudMonitor

B.

Log Service

C.

ARMS

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Question # 16

The bounded context is at the heart of_____architecture.

A.

Tighly coupled monolith

B.

Microservices

C.

Client server

D.

Agile

E.

Emerging from trial and error

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Question # 17

What are the scenarios in managing multiple K8s Cluster in Hybrid & Multi Cloud Environment?

A.

Kubernetes Cluster Federation

B.

Auto Scaling to Serverless Kubernetes

C.

Register External Kubernetes Cluster to be managed from Alibaba Cloud Container Service Console

D.

Manage every clusters manually but to connect to the same image repository

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Question # 18

Alibaba Cloud Container Service for Kubernetes (ACK) supports the creation of multiple scaling

groups with cluster autoscaler.

Score 2

A.

True

B.

False

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Question # 19

ACR EE (Container Registry Enterprise Edition) has P2P distribution support.

Score 2

A.

True

B.

False

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Question # 20

Which of the following statements are correct, regarding ACR EE (Container Registry Enterprise

Edition)'s security? (Number of correct answers: 3)

A.

ACR EE allows you to perform security scans on all Linux-based images

B.

You can receive vulnerability assessments and recommendations

C.

With the cloud-native delivery chain, the system will automatically block the deployment of

high-risk images

D.

With the cloud-native delivery chain, an attacker can deploy an unsigned image on the ACK

cluster E. By default, a newly created ACR EE is connected to all networks

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Question # 21

Which type of GPU resource schedules have bee supported on ACK?

A.

Gang

B.

Topology aware

C.

Spread

D.

Binpack

E.

Bundle

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Question # 22

Which services can also be used to register a cluster? (Number of correct answers: 3)

Score 2

A.

Log Service

B.

ARMS

C.

ARMS-Prometheus

D.

Cloud Monitor

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Question # 23

GPU can be shared with multi-container on ACK to increase resource utilization.

A.

True

B.

False

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Question # 24

Alibaba Serverless Kubernetes (ASK) is similar to Function Compute.

Score 2

A.

True

B.

False

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Question # 25

Applications can be simply auto scaled in seconds. Scaleing up 500 nodes takes 2.5 minutes in standard mode, takes 90 seconds in swift mode, and takes 30 seconds on ECI.

A.

True

B.

False

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Question # 26

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.

A.

True

B.

False

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Question # 27

Alibaba Serverless Kubernetes (ASK) is similar to Function Compute.

Score 2

A.

True

B.

False

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Question # 28

How do you collect application log data using Log Service?

Score 2

A.

Configure Kubernetes standard output in Import Data by Log Service console

B.

Configure where to store logs in each pod

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Question # 29

How Alibaba Cloud accelerate AI/ML on ACK?

A.

Composable workflow, support continuous training pipelines,

B.

Scale out training out to hundreds of nodes

C.

Support heterogeneous resources management, such as GPU, FPGA, RDMA.

D.

All resources are free

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Question # 30

Terraform and Helm Chart are the same tool, and are used for infrastructure orchestration.

Score 2

A.

True

B.

False

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Question # 31

Alibaba Cloud Container Service for Kubernetes (ACK) can register Kubernetes clusters running

on-premise or on other cloud platforms.

Score 2

A.

True

B.

False

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Question # 32

Considering Alibaba Cloud Container Service for Kubernetes (ACK) and Alibaba Serverless

Kubernetes (ASK), which types of hybrid-cloud strategy are supported? (Number of correct

answers: 3)

Score 2

A.

Allow clusters running on IDCs, other clouds, and Alibaba Cloud itself, to be used with

"Register Cluster" which is provided by Alibaba Cloud to manage multi-cluster environments.

B.

Allow a cluster running in a local IDC to scale out to Alibaba Cloud.

C.

Allow a cluster running on Alibaba Cloud to access a database running in a local IDC.

D.

Alibaba Cloud's K8S services cannot provide this functionality: use K8S itself to manage multicloud environments instead.

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Question # 33

Which of the following statements are correct, with regards to Alibaba Serverless Kubernetes

(ASK)? (Number of correct answers: 3)

Score 2

A.

No need to manage backend servers

B.

No need to do OS upgrades or patching of the underlying system

C.

Pay-As-You-Go

D.

Pods run on ECS

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Question # 34

Which of the following options are correct about ACR(container registry)? (Number of correct answers: 3)

A.

ACR is able to replicate images cross region

B.

ACR provides vulnerability scan in delivery chain

C.

ACR can manage helm charts

D.

ACR standard version has replica image cross region worldwide

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Question # 35

Which of the following options are detailed external metrics supported by Log Service (ingress)?

(Number of correct answers: 3)

A.

sls_ingress_qps

B.

sls_ingress_latency_avg

C.

sls_ingress_latency_99

D.

sls_ingress_pv

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Question # 36

ACK(Alibaba Cloud Container Service for Kubernetes) supports many instance types, including ECS. EBS(ECS Bare Metal), GPU instance. Spot instance, and ECI(Elastic Container Instance)

A.

True

B.

False

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Question # 37

Which instance type can be scaled by Alibaba Cloud Container Service for Kubernetes (ACK)

auto scaling? (Number of correct answers: 5)

Score 2

A.

ECS

B.

EBM (bare-metal)

C.

GPU Instance

D.

Preemptible instance

E.

Virtual Node

F.

HPA

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Question # 38

Which types of networks can ACK provide^ (Number of correct answers: 2)

A.

Flannel

B.

Tcrway

C.

VPN

D.

GA

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Question # 39

Which of the following options are correct about the Al/Machine Learning benefits of running on ACK? (Number of correct answers: 4)

A.

Heterogeneous computing supported

B.

All major machine learning frameworks are supported

C.

Optimized k8s scheduling dedicated for jobs running on GPU, such as make pods be tight on GPU node, provide shared GPU, GPU isolated, co-scheduling

D.

GPU and shared GPU utilization can NOT be monitoring in Prometheus on alibaba cloud

E.

Arena tool was initial develop by alibaba cloud and contribued to kubeflow

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Question # 40

Does k8s cluster running on IDC but it can be scale up pods to Alibaba Cloud ASK (Serverless cluster) ?

A.

True

B.

False

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Question # 41

Which of the following options are correct about Cloud-natvie Al solution?

A.

It provides heterogeneous computing ability

B.

It supports major machine learning framework

C.

It can be running machine learnng and HPC pipeline

D.

It can be autoscale

E.

It can achieve multi-version,multi-model management

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Question # 42

Which of the following statements are correct regarding creating an Alibaba Cloud Container

Service for Kubernetes (ACK) cluster using Terraform? (Number of correct answers: 3)

Score 2

A.

Terraform can configure a Log Project and Log Store in Log Service when creating an ACK

cluster

B.

Terraform can configure kube2ram policy when creating an ACK cluster

C.

Terraform can configure a deployment.yaml file when creating an ACK cluster

D.

Terraform can create a ARMS Helm Chart

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Question # 43

Can both Federation and Istio achieve multi k8s cluster management?

A.

True

B.

False

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Question # 44

Both Federation and Istio can achieve multi-cluster management?

Score 2

A.

True

B.

False

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Question # 45

Does ACK support GPU resource autoscaling?

A.

True

B.

False

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Question # 46

CronHPA was developed by Alibaba Cloud.

Score 2

A.

True

B.

False

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