Exam4Training

AliCloud ACA-CloudNative ACA Cloud Native Certification Exam Online Training

Question #1

Which service can monitor infrastructure utilization? Score 2

  • A . CloudMonitor
  • B . Log Service
  • C . ARMS

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Correct Answer: A
Question #2

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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Correct Answer: A
Question #3

For the deployment of new features in monolith architecture, why does it take longer time than microservices architecture?

  • A . Because need to load all used & unused modules of applications
  • B . Because need to load only all used modules of applications
  • C . Because need to load all unused modules of applications
  • D . Because need waiting approval from Project Manager

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Correct Answer: A
Question #4

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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Correct Answer: A
Question #5

Which function is supported in Cloud-Native Application Supply Chain? (Number of correct answers: 4) Score 2

  • A . Image scanning
  • B . Intelligent building
  • C . Global distribution
  • D . Automatic trigger
  • E . Image runtime defense

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Correct Answer: A,B,C,D
Question #6

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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Correct Answer: B
Question #7

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

  • A . Logservice
  • B . ARMS
  • C . ARMS-Prometheus
  • D . Cloud Monitor

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Correct Answer: A,C,D
Question #8

Which methods can be used to replicate images from other registries? (Number of correct answers: 2) Score 2

  • A . Image-sync tool for Registry v2 based services
  • B . Import images based on a storage endpoint
  • C . P2P based large scale image distribution
  • D . Policy based global distribution

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Correct Answer: A,B
Question #9

How to install arms-prometheus CRD (customer resource definitions)? Score 6.7

  • A . When create ACK cluster it can be installed
  • B . It can be installed by app catalog

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Correct Answer: B
Question #10

Does ACK support GPU resource autoscaling?

  • A . True
  • B . False

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Correct Answer: A

Question #11

ACK have multi-cloud cluster management features

  • A . True
  • B . False

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Correct Answer: A
Question #12

Which beat we use to pull data from promethues to Alibaba Cloud ElasticSearch for long term storage?

  • A . Functionbeat
  • B . Metricbeat
  • C . Filebeat
  • D . Packetbeat

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Correct Answer: C
Question #13

Which service can monitor infrastructure utilization?

  • A . CloudMonitor
  • B . Log Service
  • C . ARMS

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Correct Answer: A
Question #14

Which of the following dashboards are provided by Log Service by default? (Number of correct answers: 4) Score 2

  • A . Ingress Access Center
  • B . Kubernetes Event Center
  • C . Ingress Exception Center
  • D . Ingress Monitoring Center for Blue/Green Deployment
  • E . Infrastructure Resource Usage Monitoring

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Correct Answer: A,B,C,D
Question #15

Which of the following are correct ways to generate a Log Service ingress dashboard? (Number

of correct answers: 2) Score 2

  • A . When creating an Alibaba Cloud Container Service for Kubernetes (ACK) cluster, an ingress dashboard can be installed at creation time.
  • B . LogStore can be installed via app catalog.
  • C . The Logtail-ds component can be installed by using

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Correct Answer: B,C
Question #16

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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Correct Answer: A
Question #17

Does ACK support vGPU?

  • A . True
  • B . False

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Correct Answer: A
Question #18

Which options are correct with ACK’s distributed data cache?

  • A . Accelerate remote data reading for Al training jobs, reduce GPU/CPU waiting time
  • B . Supports different storage backends including OSS/HDFS/NAS
  • C . Multiple cache layers including RAM/SSD/HDD
  • D . Supports preload once, read by many jobs
  • E . Supports Horizontal scaling

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Correct Answer: A,B,C,D,E
Question #19

Which of the following are correct ways to generate a Log Service ingress dashboard?

(Number of correct answers: 2) Score 2

  • A . When creating an Alibaba Cloud Container Service for Kubernetes (ACK) cluster, an ingress dashboard can be installed at creation time.
  • B . LogStore can be installed via app catalog.
  • C . The Logtail-ds component can be installed by using ACK cluster add-ons.

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Correct Answer: B,C
Question #20

Which of the following options are correct regarding scale out in Hybrid-Cloud scenarios? (Number of correct answers: 3) Score 2

  • A . Pods can be scaled out to Alibaba Serverless Kubernetes (ASK)
  • B . Pods can be scaled out to a Virtual Node
  • C . Pods can be scaled out to normal worker nodes such as ECS
  • D . Pods can be scaled out to special scaling-groups

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Correct Answer: A,B,C

Question #21

Which team will be responsible for deploying new features every release to Cloud Infrastructure in Cloud Native era? (The number of correct answer: 2)

  • A . DevOps
  • B . SRE
  • C . Developer
  • D . QA
  • E . Scrum Master

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Correct Answer: A,B
Question #22

What kind of data we could collect to Alibaba Cloud ElasticSearch for monitoring App on Alibaba Cloud Kubernetes?

  • A . Logs
  • B . Metrics
  • C . APM tracing
  • D . All above

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Correct Answer: D
Question #23

To deploy Istio, at least____worker nodes are configured for the Kubernetes cluster.

  • A . 1
  • B . 2
  • C . 3
  • D . 4

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Correct Answer: C
Question #24

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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Correct Answer: A
Question #25

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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Correct Answer: A
Question #26

Terraform and Helm Chart are the same tool, and are used for infrastructure orchestration. Score 2

  • A . True
  • B . False

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Correct Answer: B
Question #27

How does Alibaba Cloud accelerate AI/ML on Alibaba Cloud Container Service for Kubernetes (ACK)? (Number of correct answers: 3)

  • A . Supports continuous training pipelines with composable workflow
  • B . Scales out to hundreds of nodes to support AI/ML model training
  • C . Supports heterogeneous resource management, including management of GPU, FPGA, and RDMA-enabled resources
  • D . All resources are free

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Correct Answer: A,B,C
Question #28

About the flow to design microservices architecture for Agile Development, which one is the correct answer?

  • A . Requirement Gathering and analysis, System Design, Implementation, Integration and Testing, Deployment of system, Maintenance
  • B . Code Repository, Build + Unit Test+Code Quality, Test Script.Test Suite, Provisioning to Containers, deploy as Microservlces
  • C . Design Thinking, Backlog, User Story Mapping, Epic, List of Microservices
  • D . Requirement of Gathering and analysis as well as modular System Design per module, and then deploy applications to Cloud Provider

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Correct Answer: B
Question #29

Does ACK support GPU sharing?

  • A . True
  • B . False

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Correct Answer: A
Question #30

Which types of cluster templates can be chosen when creating Alibaba Cloud Container Service for Kubernetes (ACK) clusters? (Number of correct answers: 6) Score 2

  • A . Standard Managed Cluster
  • B . Heterogeneous Compute Cluster (GPU)
  • C . Elastic Bare Metal Cluster (Bare-metal)
  • D . Edge Computing
  • E . Windows-Based Cluster
  • F . Standard Serverless Cluster
  • G . Gene Cluster

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Correct Answer: A,B,C,D,E,F

Question #31

Which of the following options are correct about Arena?

  • A . Arena is a CLI tools for machine learning achieve Al task scheduling
  • B . Arena is a machine learning framework for Al
  • C . Arena developed by alibaba cloud and contribute to kubeflow
  • D . Arena developed by alibaba cloud and contribute to kubernetes

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Correct Answer: A,B,C
Question #32

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.

  • A . True
  • B . False

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Correct Answer: A
Question #33

What does centralized nature of monolithic applications lead to?

  • A . able to scale applications independently, independent application development and deployment, can use diverse technologies for application
  • B . able to scale out per module or per service
  • C . support agile software development, when we deploy new feature to existing monolith app only duration around 5 second for new traffic
  • D . In the lack of being able to scale applications independently, inter-application dependencies that hinder independent application development and deployment, reliability issues due to the centralized nature and the constraints on using diverse technologies for application

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Correct Answer: A
Question #34

Flannel network has Network Policy ability

  • A . True
  • B . False

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Correct Answer: A
Question #35

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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Correct Answer: A
Question #36

Which of the following statements are correct about running AI or Big Data related tasks on Alibaba Cloud Container Service for Kubernetes (ACK)? (Number of correct answers: 4) Score 2

  • A . Heterogeneous computing is supported.
  • B . All major machine learning frameworks are supported.
  • C . Optimized K8S scheduling is provided for jobs running on the GPU. For example, it can ensure pods are scheduled on the GPU node, provide shared GPU resources, isolate GPU resources, and do co-scheduling.
  • D . GPU and shared GPU utilization can be monitored via Prometheus on Alibaba Cloud.
  • E . The "Arena" tool is developed by the community but integrated with Alibaba Cloud ACK.

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Correct Answer: A,B,C,D
Question #37

Which of the following statements are correct about Alibaba Cloud Container Registry (ACR)? (Number of correct answers: 3)

  • A . ACR is able to replicate images across regions
  • B . ACR provides vulnerability scanning for uploaded images
  • C . ACR can manage helm charts
  • D . ACR’s standard version includes cross-region image replication

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Correct Answer: A,B,C
Question #38

What are the benefits using Alibaba Cloud when implementing microservice architecture? (The number of correct answer: 5)

  • A . High availability with multi-zone redundancy to minimize business disruptions
  • B . Easy to scale up or down (vertical or horizontal)
  • C . Set up infrastructure and provision resources in less than 1 day
  • D . No need for expert Database Administrators for setup & maintenance of database
  • E . Fully monitor your infrastructure in real-time
  • F . All resources that you used become free

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Correct Answer: A,B,C,D,E
Question #39

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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Correct Answer: A
Question #40

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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Correct Answer: A

Question #41

Only Alibaba Cloud Container Service for Kubernetes (ACK) Dedicated Clusters support "Encrypting Secret Data at Rest with KMS". Score 2

  • A . True
  • B . False

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Correct Answer: B
Question #42

CronHPA was developed by Alibaba Cloud. Score 2

  • A . True
  • B . False

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Correct Answer: A
Question #43

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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Correct Answer: A,B,C
Question #44

ACR EE (Container Registry Enterprise Edition) has P2P distribution support. Score 2

  • A . True
  • B . False

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Correct Answer: A
Question #45

Which of the following are true, regarding Helm Charts? (Number of correct answers: 3) Score 2

  • A . Help Charts are declarative but not procedural
  • B . Helm Charts can achieve "immutable infrastructure"
  • C . Helm Charts make it easy to install Kubernetes objects, such as ConfigMap, Services, Pods, etc.
  • D . Help Charts make it easy to achieve CD (continuous deployment) for applications

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Correct Answer: A,C,D
Question #46

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

  • A . Flannel
  • B . Tcrway
  • C . VPN
  • D . GA

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Correct Answer: A,B
Question #47

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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Correct Answer: A
Question #48

Alibaba Serverless Kubernetes (ASK) is similar to Function Compute. Score 2

  • A . True
  • B . False

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Correct Answer: A
Question #49

Which of the following capabilities are Alibaba Cloud ElasticSearch provide for Alibaba Cloud Kubernetes? (The number of correct answer: 3)

  • A . Application monitoring
  • B . Kubernetes monitoring
  • C . Kubernetes Security
  • D . Application management

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Correct Answer: A,B,D
Question #50

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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Correct Answer: A
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