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ACA-CloudNative Questions and Answers

Question # 6

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

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

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Question # 7

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 # 8

lstio is a service mesh that makes up for the disadvantages of the distributed microservice architecture in O&M, debugging, and security management. It also supports load balancing, service-to-service authentication, and monitoring, all without changes to microservices.

A.

True

B.

False

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Question # 9

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.

A.

True

B.

False

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Question # 10

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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Question # 11

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

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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Question # 12

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 # 13

Does ACK support GPU sharing?

A.

True

B.

False

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Question # 14

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 # 15

Which of the following benefits are accurate with respect to using Terraform? (Number of

correct answers: 4)

Score 2

A.

It is an infrastructure orchestration tool: it's not only for resource configuration

B.

It can achieve "immutable infrastructure"

C.

It is a declarative but not procedural language

D.

It can make it easy to achieve CI (continuous integration) of application code

E.

It can achieve exactly the same Dev, Staging, and Production environment by deploying a new environment from an existing template

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Question # 16

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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Question # 17

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 # 18

how many vGPU ratio has been supported on ACK

A.

1:2

B.

1:4

C.

1:8

D.

1:16

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Question # 19

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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Question # 20

Which Alibaba Cloud service is used to run pods in a serverless cluster?

Score 2

A.

ECS

B.

ECI

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Question # 21

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 # 22

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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Question # 23

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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