Alibaba ACA-Cloud1 Exam Practice Test Instant Access

Question 1

When using Alibaba Cloud OSS, you can set access control in 3 different levels, which are (Choose three.)

ABucket level

BObject level

CRAM account level

DDirectory level

Answer : A, B, D

https://www.alibabacloud.com/help/doc-detail/100676.htm

Question 2

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statement about OSS backup is correct?

AOSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.

BCustomer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.

COSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.

DOSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.

Answer : B

Question 3

feature in Server Load Balancer means that it can forward the access requests from a single user to the same ECS instance within a certain period to ensure session continuity.

Asession persistence

Bhealth check

CWeighted Round Robin

Dleast connections scheduling

Answer : A

https://www.alibabacloud.com/help/doc-detail/55202.htm

Question 4

A company uses Alibaba Cloud SLB and Auto Scaling at the same time, hoping this combination can help save O&M cost and provide a stable and reliable system.

However, because they do not have relevant experience, the company's engineers listed some precautions based on their understanding, and turned the list to you for advice.

As an expert of Alibaba Cloud, you tell them only is correct.

ASLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling

BAll ECS instances under the same SLB instance must be running on the same operating system

CAll backend servers under the same SLB instance must be in the same Scaling Group

DAll backend servers under the same SLB instance must have the same configuration

Answer : A

https://www.alibabacloud.com/blog/comprehensive-upgrade-of-alibaba-cloud-auto-scaling- product_594112

Question 5

Some applications may encounter large traffic fluctuations within a short period. When ECS is used with

, the number of ECS instances is automatically adjusted based on traffic.

AServer Load Balancer

BRDS

CAuto Scaling

DOSS

Answer : C

https://www.alibabacloud.com/help/doc-detail/25371.htm

Question 6

Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients' applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods ? (Choose three.)

ACheck ECS or CloudMonitor product documents.

BOpen a ticket to Alibaba Cloud help desk.

CLook for answers in Alibaba Cloud forum.

DYou cannot obtain any help from Alibaba Cloud.

Answer : A, B, C

Question 7

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following application scenarios are suitable for Auto Scaling? (Choose three.)

AYou need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be added seamlessly to address traffic peaks and surges.

BYou need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be reduced automatically to save costs when business needs drop.

CWhen an ECS instance reacts abnormally in a scaling group, Auto Scaling will create a new ECS instance to take over the computing tasks conducted by the faulty instance.

DYou want to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be automatically upgraded (with more Memory, more powerful CPU) when needed.

Answer : A, B, C

Alibaba ACA-Cloud1 ACA Cloud Computing Associate Exam Practice Test