최신 ACA-Cloud1 무료덤프 - Alibaba Cloud ACA Cloud Computing Associate

문제1

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding an existing ECS instance into the scaling group but imposes certain requirements on instance region. In this case, which of the following statements is true?

A. The instance and the scaling group must be in the same region but not necessarily the same zone.

B. The instance and the scaling group must be in the same region and zone.

C. Each scaling group can span up to two regions. After adding the ECS instance, the number of regions of all the ECS instances in the scaling group must be no greater than two.

D. The instance and the scaling group can be in different regions and zones.

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제2

Server Load Balancer can help protect fromattack.

A. Ransomware

B. DDoS

C. SQL injection

D. Virus

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제3

Which of the following statements is wrong when comparing RDS with self-built database?

A. RDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.

B. RDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.

C. Self-built database supports quick deployment and elastic scaling.

D. RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제4

Using a cloud computing service is simple and straightforward. One can choose the instance with desired specification, finish payment and then use it right away. Moreover, the underlying physical machines are managed by cloud service providers and transparent to users.

A. FALSE

B. TRUE

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제5

You are developing a highly available web application using stateless web servers. Which services are suitable for storing session state data? (Choose two.)

A. MaxCompute

B. RDS

C. Table Store

D. OSS

정답: B,C

설명: (DumpTOP 회원만 볼 수 있음)

문제6

Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

A. FALSE

B. TRUE

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제7

Which of the following is not the database type supported by RDS?

A. SQL Server

B. Oracle database

C. Postgre SQL

D. MySQL

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

최신 ACA-Cloud1 무료덤프 - Alibaba Cloud ACA Cloud Computing Associate

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