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ACA-CloudNative ACA Cloud Native Certification Exam Question and Answers

Question # 4

When the asynchronous messages produced by one producer should go to more than one consumer, what tools we should use?

A.

Apache Tomcat

B.

Apache Maven

C.

Apache Kafka

D.

MySQL Server

E.

CDN

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Question # 5

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

answers: 3)

Score 2

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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Question # 6

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 # 7

The success of deploying and scaling microservices is heavily dependent on the adoption of__________.

A.

Virtual machine

B.

Big data analytics

C.

Containers

D.

Cloud provider

E.

RDBMS

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Question # 8

Customer could deploy ElasticSearch in various zones. Which of the following is not supported?

A.

In one zone

B.

In two zones

C.

In three zones

D.

In four zones

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Question # 9

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

Score 2

A.

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

B.

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

worker node this way, improving utilization.

C.

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

D.

Ensure redundant worker node capacity for each running pod.

E.

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 # 10

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 # 11

Which type of workloads can be running on ACK under AI/ML solution?

A.

Al

B.

DeepLearning

C.

Batching compute

D.

HPC

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Question # 12

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 # 13

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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Question # 14

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

correct answers: 3)

A.

Standard CPU type

B.

GPU type

C.

Preemptible Instance

D.

Bare Metal Instance

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Question # 15

ARMS-Prometheus can monitor node usage from multiple clusters.

Score 2

A.

True

B.

False

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Question # 16

What information can be derived from APM traces in Elasticsearch? (The number of correct answer: 4)

A.

Duration of transaction

B.

Flow of transaction

C.

Anomalies

D.

Transaction logs

E.

Data Schema

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Question # 17

For Storage migration, Alibaba Cloud provides both offline migration and online migration services.

Score 2

A.

True

B.

False

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Question # 18

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 # 19

For Storage migration, Alibaba Cloud provides both offline migration and online migration

services.

Score 2

A.

True

B.

False

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Question # 20

Which instance type can be autoscaled in resource scaling level by ACK Elasticity? (Number of correct answers: 5)

A.

ECS

B.

EBM(bare-metal)

C.

GPU Instance

D.

Spot Instance

E.

Virtual Node

F.

Slave node

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Question # 21

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

Score 2

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

This is the blank file which was shared for last exam

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Question # 22

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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Question # 23

Alibaba Cloud Elasticsearch is a Lucene-based, distributed, real-time search and analytics engine. It is an open-source product released under the Apache License.

A.

True

B.

False

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