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ACA-CloudNative Sample Questions Answers

Questions 4

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

Score 2

Options:

A.

True

B.

False

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Questions 5

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

Options:

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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Questions 6

What is the benefit of microservices architecture? (The number of correct answer: 4)

Options:

A.

Agile and Rapid Development of Business Functionalities

B.

Failure Isolation and Predictability

C.

Replaceability

D.

Agile Deployment and Scalability

E.

Service Governance

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Questions 7

Does ACK support GPU sharing?

Options:

A.

True

B.

False

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Questions 8

Master nodes managed by Alibaba Cloud side in managed cluster of ACK.

Options:

A.

True

B.

False

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Questions 9

Requests are routed to the desired cluster based on DNS availability.

Score 2

Options:

A.

True

B.

False

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Questions 10

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.

Options:

A.

True

B.

False

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Questions 11

Which of the following options are correct, regarding Alibaba Cloud cloud-native security?

(Number of correct answers: 5)

Score 2

Options:

A.

Alibaba Cloud provides 3 levels of security: Infrastructure, Software supply chain, and Runtime

Security

B.

At the Infrastructure layer, Alibaba Cloud Container Service for Kubernetes (ACK) integrates

RAM to achieve authN (Authentication) and RBAC authZ (Authorization)

C.

For Software Supply Chain, Alibaba Cloud provides Image Signing and Image Scanning to

make docker images are secure

D.

Fur Runtime Security, ACK provides network policy based on Flannel and Terway networks

E.

Security Center can defend application runtimes on ACK, and it also can detect attacks within

ACK.

F.

ACK supports Sandboxed containers, which provide an independent kernel to enable enhanced security isolation

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Questions 12

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

Options:

A.

Deployment

B.

DeamonSet

C.

Sidecar

D.

StatefulSet

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Questions 13

How do you collect application log data using Log Service?

Score 2

Options:

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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Questions 14

Which of the following applications we could use Alibaba Cloud ElasticSearch to monitor and analysis? (The number of correct answer: 4)

Options:

A.

Local K8S

B.

Alibaba Cloud Kubernetes

C.

Google Kubernetes Engine

D.

Azure Kubernetes Service

E.

AWS redshift

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Questions 15

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

running on-premise or on other cloud platforms.

Score 2

Options:

A.

True

B.

False

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Questions 16

What is the main purpose of monolith architecture to make all modules become centralize?

Options:

A.

Easy to scale out

B.

Easy to manage

C.

Reduce cost of software development

D.

Reduce for bandwidth used for software application

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Questions 17

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.

Options:

A.

True

B.

False

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Questions 18

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

Options:

A.

Flannel

B.

Tcrway

C.

VPN

D.

GA

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Questions 19

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

scaling?

Score 2

Options:

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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Questions 20

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

Score 2

Options:

A.

Log Service

B.

ARMS

C.

ARMS-Prometheus

D.

Cloud Monitor

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Questions 21

Which of the following options are correct about Arena?

Options:

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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Questions 22

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

Options:

A.

True

B.

False

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Questions 23

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

(Number of correct answers: 2)

Score 2

Options:

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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Questions 24

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

(Number of correct answers: 3)

Options:

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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Questions 25

Which function is supported in Cloud-Native Application Supply Chain? (Number of

correct answers: 4)

Score 2

Options:

A.

Image scanning

B.

Intelligent building

C.

Global distribution

D.

Automatic trigger

E.

Image runtime defense

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Questions 26

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

Options:

A.

Gang

B.

Topology aware

C.

Spread

D.

Binpack

E.

Bundle

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Questions 27

Which of the following options are correct regarding the distributed data cache of Alibaba

Cloud's Container Service for Kubernetes (ACK)? (Number of correct answers: 5)

Score 2

Options:

A.

Accelerates remote data reading for AI training jobs, and reduces 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, and reads by many jobs

E.

Supports horizontal scaling

F.

Replicates 3 copies of local data to avoid data loss

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Questions 28

How Alibaba Cloud accelerate AI/ML on ACK?

Options:

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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Questions 29

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

Options:

A.

Logservice

B.

ARMS

C.

ARMS-Prometheus

D.

Cloud Monitor

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Questions 30

Alibaba Cloud Elasticsearch allows you to deploy an Elasticsearch cluster across zones. In cross-zone deployment, the system automatically selects the zones that have sufficient ECS instances.

Options:

A.

True

B.

False

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Questions 31

The bounded context is at the heart of_____architecture.

Options:

A.

Tighly coupled monolith

B.

Microservices

C.

Client server

D.

Agile

E.

Emerging from trial and error

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Questions 32

Alibaba Cloud Container Service for Kubernetes (ACK) supports GPU resource autoscaling.

Score 2

Options:

A.

True

B.

False

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Questions 33

Which of the following options are correct, regarding global distribution? (Number of correct

answers: 3)

Score 2

Options:

A.

Supports policy-based global distribution

B.

Global distribution is automated

C.

It provides a high success rate and low latency

D.

Global distribution needs to be triggered manually

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Questions 34

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

Options:

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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Questions 35

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

Options:

A.

Logs

B.

Metrics

C.

APM tracing

D.

All above

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Questions 36

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

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

Options:

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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Questions 37

Which of the following options are correct with respect to supported external metrics ? (Number

of correct answers: 3)

Score 2

Options:

A.

Log Service (Ingress)

B.

SLB

C.

CMS

D.

Network

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Questions 38

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

Score 2

Options:

A.

True

B.

False

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Questions 39

Flannel network has Network Policy ability

Options:

A.

True

B.

False

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Questions 40

Does ACK support GPU resource autoscaling?

Options:

A.

True

B.

False

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Questions 41

Which of the following options is incorrect?

Options:

A.

Alibaba Cloud ElasticSearch provide self-build Analyser

B.

Alibaba Cloud ElasticSearch cluster can be expanded

C.

Alibaba Cloud ElasticSearch cluster can be downsized

D.

You can ssh your Alibaba Cloud ElasticSearch cluster

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Questions 42

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

Options:

A.

True

B.

False

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Questions 43

How does Alibaba Cloud accelerate AI/ML on Alibaba Cloud Container Service for Kubernetes

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

Options:

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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Questions 44

Which of the following statements are correct regarding image distribution in ACR EE

(Container Registry Enterprise Edition)? (Number of correct answers: 3)

Score 2

Options:

A.

It enable large-scale distribution and policy-based global distribution

B.

P2P based distribution supports docker image snapshots without pulling

C.

P2P based method supports image distribution over more than 10,000 nodes

D.

The snapshot method speeds up image pulling, with pull times as low as 1 second

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Questions 45

Can Istio (service mesh) achieve application traffic management which is running on multi-cluster even in different regions?

Options:

A.

True

B.

False

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Questions 46

Requests are routed to the desired cluster based on DNS availability.Score 2

Options:

A.

True

B.

False

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Exam Code: ACA-CloudNative
Exam Name: ACA Cloud Native Certification Exam
Last Update: Jun 11, 2024
Questions: 155
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