Question No. 1

Which of the following statements is NOT correct, when comparing RDS with a self-built database?

ASelf-built database support quick deployment and elastic scaling.

BRDS requires no O&M while self-built database require a dedicated DBA for maintenance, which results in high HR costs.

CRDS features a high availability of 99 95% while self-built databases require you to implement data protection primary-standby replication, and RAID all by yourself.

DRDS provides automatic backup while self-built databases require you to prepare storage space for backup copies and regularly verify that these copies can be restored.

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Correct Answer: A

Question No. 2

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?

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

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

CEach 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.

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

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Correct Answer: B

Question No. 3

Recently, response speed of a certain Alibaba Cloud Elastic Compute Service (ECS) instance is unacceptably slow. By using CloudMonitor we discovered that the ECS instance utilizes more than 80% of the assigned bandwidth.

Which of the following approach can address this issue and without the need to reboot the ECS instance?

AUpgrade the bandwidth of the ECS instance

BNone of the above

CUpgrade the CPU and memory of the ECS ins

DAdd a disk to the ECS instance

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Correct Answer: A

Question No. 4

The backend server pool of an Alibaba Cloud SLB contains multiple ECS instances, which may have different service capacities. To exploit the different service capacities of backend ECS instances, which of the following statements is correct?

AChoose Weighted Round Robin mode to set higher weights to ECS instances with higher capacities The higher the weight of the backend ECS instance the higher chance that the instance will receive requests.

BSLB cannot assign more requests to certain ECS instances.

CChoose Round-Robin model and ECS instances with higher capacities will surely be assigned with more requests.

DChoose Weighted Least-Connection mode, and ECS instances with higher capacities will surely be assigned with more requests.

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Correct Answer: A

Question No. 5

Which of the following statements is most accurate about the Data Transmission Service (DTS) database migration function?

ASupports database schema replication between instances.

BSupports warning when source and destination has some unresolved conflict found.

CSupports all of the above functions.

DSupports migrating MySQL databases from external sources.

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Correct Answer: A

Free Alibaba ACP-Cloud1 Exam Actual Questions

The questions for ACP-Cloud1 were last updated On May 4, 2024