Question 1

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.)

Accepted Answer

A)  Check ECS or CloudMonitor product documents. 
B)  Open a ticket to Alibaba Cloud help desk. 
C)  Look for answers in Alibaba Cloud forum. 
D)  You cannot obtain any help from Alibaba Cloud.

Question 2

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following is not the feature supported by Alibaba Cloud Auto Scaling?

Accepted Answer

A)  Elastic Scale-Out 
B)  Elastic Scale-In 
C)  Elastic Self-Health 
D)  Elastic Self-Diagnostic

Question 3

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?

Accepted Answer

A)  Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk malfunctions, it can also lead to permanent data loss. 
B)  Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies. 
C)  Data has to be backed up by customer manually, which is time-consuming and labor-intensive. 
D)  The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti-leech URL, and Master-Sub Account

Question 4

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

Accepted Answer

A)  Bucket level 
B)  Object level 
C)  RAM account level 
D)  Directory level

Question 5

Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at 99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?

Accepted Answer

A)  Anti-DDoS Service Basic 
B)  Managed Security Service 
C)  Situation Awareness 
D)  Anti-DDoS Service Pro

Question 6

Server Load Balancer supports protocols like ______________. (Choose four.)

Accepted Answer

A)  HTTP 
B)  HTTPS 
C)  TCP 
D)  UDP 
E)  MPLS
F) MQTT

Question 7

If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

Accepted Answer

A)  Pay-As-You-Go 
B)  Prepaid 
C)  Paypal-pay 
D)  bitcoin-pay

Question 8

Alibaba Cloud's object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.

Accepted Answer

A) True 
 B)False

Question 9

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.

Accepted Answer

A) True 
 B)False

Question 10

When we talk about the 'Elastic' feature for ECS product, we are not talking about _____________.

Accepted Answer

A)  Elastic Computing 
B)  Elastic Storage 
C)  Elastic Network 
D)  Elastic Administration

Question 11

Which of the following statements to OSS bucket is not correct?

Accepted Answer

A)  Every user can create more than one bucket 
B)  Bucket name can be changed after creation 
C)  Every bucket should have a unique name 
D)  There is no limitation to objects number inside one bucket

Question 12

When using Alibaba Cloud SLB, you can set different weights for backend ECS instances. The higher the weight of a backend ECS instance, the more load will be assigned to it. If an SLB instance has 5 ECS instances in the backend server pool, all of which are healthy. Among these 5 ECS instances, the weight of ecs_inst1 is set to 100. Which of the following statements is correct?

Accepted Answer

A)  We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen. 
B)  100% of loads will be assigned to ecs_inst1, and the rest 4 ECS instances will stay idle. 
C)  Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1. 
D)  Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1.

Question 13

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.

Accepted Answer

A)  SLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling 
B)  All ECS instances under the same SLB instance must be running on the same operating system 
C)  All backend servers under the same SLB instance must be in the same Scaling Group 
D)  All backend servers under the same SLB instance must have the same configuration

Question 14

ECS can be used along with ______ to store static images, videos, and reducing storage fees.

Accepted Answer

A)  OSS 
B)  Server Load Balancer 
C)  RDS 
D)  VPC

Question 15

Server Load Balancer can help protect from ___________________ attack.

Accepted Answer

A)  DDoS 
B)  Virus 
C)  Ransomware 
D)  SQL injection

Question 16

You built an online shop using Alibaba Cloud services (ECS, RDS, …etc.) and very soon you'll have a campaign that every customer that invites 3 friends will get a 50% off coupon. To avoid HTTP flood attacks and ensure only genuine customers (not bots) joining the event, which security product should you choose?

Accepted Answer

A)  Anti-DDoS Basic 
B)  Anti-DDoS pro 
C)  WAF 
D)  Server Guard

Question 17

Alibaba Cloud China Connect is a service that can help international companies do business in China. Which of the following services is not included in China Connect?

Accepted Answer

A)  Web hosting 
B)  ICP Support 
C)  Office registration support 
D)  Connect your service with Alibaba Group ecosystem

Question 18

Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.

Accepted Answer

A) True 
 B)False

Question 19

Which 2 OSS object types can be configured as parameter for object lifecycle management? (Choose two.)

Accepted Answer

A)  Infrequent access 
B)  Snapshot 
C)  Archive 
D)  Chunk

Question 20

You can create a custom image for ECS using which of the followings? (Choose two.)

Accepted Answer

A)  Data disk snapshot 
B)  CPU snapshot 
C)  Memory snapshot 
D)  System disk snapshot

Exam 1: ACA Cloud Computing Certification Exam

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following is not the feature supported by Alibaba Cloud Auto Scaling?

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?

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

Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at 99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?

Server Load Balancer supports protocols like ______________. (Choose four.)

If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

Alibaba Cloud's object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.

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.

When we talk about the 'Elastic' feature for ECS product, we are not talking about _____________.

Which of the following statements to OSS bucket is not correct?

ECS can be used along with ______ to store static images, videos, and reducing storage fees.

Server Load Balancer can help protect from ___________________ attack.

Alibaba Cloud China Connect is a service that can help international companies do business in China. Which of the following services is not included in China Connect?

Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.

Which 2 OSS object types can be configured as parameter for object lifecycle management? (Choose two.)

You can create a custom image for ECS using which of the followings? (Choose two.)