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Alibaba Cloud ACA-CloudNative ACA Cloud Native Certification Exam Exam Practice Test

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Total 155 questions
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ACA Cloud Native Certification Exam Questions and Answers

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Question 1

Both Federation and Istio can achieve multi-cluster management?

Score 2

Options:

A.

True

B.

False

Question 2

Does ACK support GPU resource autoscaling?

Options:

A.

True

B.

False

Question 3

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

correct answers: 3)

Score 2

Options:

A.

Cloud Disk

B.

NAS

C.

OSS

D.

Local Disk

Question 4

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

Score 2

Options:

A.

True

B.

False

Question 5

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

Options:

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

Question 6

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

Question 7

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

Options:

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

Question 8

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

Question 9

How to design Microservices in monolith architecture? (The number of correct answer: 4)

Options:

A.

Domain-Driven Design

B.

Decompose by Business capability

C.

Centralize all components(Authorization, Presentation, Business logic, Database layer) use single-tiered software application combined into a single program from a single platform

D.

Divide and conquer

E.

Decompose by Subdomain

Question 10

Flannel network has Network Policy ability

Options:

A.

True

B.

False

Question 11

Which type of resource are suitable for creation via Helm Chart? (Number of correct answers: 3)

Score 2

Options:

A.

Prometheus Operator

B.

K8S Deployment

C.

K8S Service

D.

KMS Secrets

Question 12

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

Question 13

Why need RDMA network in ML?

Options:

A.

That will accelerate speed communication between each node

B.

That will improve performance under ML job

C.

That will saving cost

Question 14

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

Question 15

Can ACK register k8s cluster which is running on IDC or other cloud provider?

Options:

A.

True

B.

False

Question 16

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

Question 17

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

Options:

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

Question 18

How do you calculate a Kubernetes cluster's consistent resource capacity?

Score 2

Options:

A.

Microservice amount * Instance type (e.g. 2C/4G)

B.

Microservice amount * Average instance amount * Instance type (e.g. 2C/4G)

C.

Microservice amount * Average instance amount * Instance type (e.g. 2C/4G) * Redundancy

D.

Microservice amount * Average instance amount * Instance type (e.g. 2C/4G) * Redundancy +

Autoscale nodes instance type

Question 19

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

Options:

A.

True

B.

False

Question 20

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

Options:

A.

True

B.

False

Question 21

Which methods can be used to replicate images from other registries? (Number of

correct answers: 2)

Score 2

Options:

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

Question 22

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

Question 23

At what levels can Kubernetes deployments be monitored? (The number of correct answer: 4)

Options:

A.

Host

B.

Kubernetes Clusters

C.

Containers

D.

Services

E.

Hardware

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