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ACP Cloud Computing Certification Question and Answers

ACP Cloud Computing Certification

Last Update May 1, 2024
Total Questions : 70

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Questions 1

To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance. In this case, you can create an active/standby server group on the backend of the SLB instance Which kind of listener supports this feature? (Number of correct answers: 2)

Options:

A.  

HTTPS

B.  

HTTP

C.  

UDP

D.  

TCP

Discussion 0
Questions 2

Which of the following privilege is required to manually install Alibaba Clod Security Center on the server?

Options:

A.  

Database Access privilege

B.  

Common user privilege

C.  

System administrator privilege

D.  

FTP service privilege

Discussion 0
Questions 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?

Options:

A.  

Upgrade the bandwidth of the ECS instance

B.  

None of the above

C.  

Upgrade the CPU and memory of the ECS ins

D.  

Add a disk to the ECS instance

Discussion 0
Questions 4

Which of the following scenarios can be done using Alibaba Cloud Express Connection? (Number of correct answers: 2)

Options:

A.  

Intranet communication between VPCs and Smart Access Gateway in customers different branch offices

B.  

Intranet communication between a VPC and servers in an external IDC

C.  

Intranet communication between two VPCs in different accounts and different CIDR Blocks

D.  

Intranet communication between two VPCs under the same account in the same region

Discussion 0
Questions 5

Many websites have suffered DDoS attacks of different volumes. Therefore, accurate understanding of DDoS attacks is critical to website security protection. Which of the following statements about DDoS attacks is the MOST accurate?

Options:

A.  

The purpose of a DDoS attack is to steal confidential information.

B.  

The main purpose of a DDoS attack is to prevent the target server from providing normal services. Currently, the DDoS attack is one of the strongest and most indefensible website attacks.

C.  

A DDoS attacks crack the server's logon password by means of a massive number of attempts.

D.  

DDoS attacks primarily target databases.

Discussion 0
Questions 6

All RDS for MySQL backups are full backups.

Options:

A.  

True

B.  

False

Discussion 0
Questions 7

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

Options:

A.  

Supports database schema replication between instances.

B.  

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

C.  

Supports all of the above functions.

D.  

Supports migrating MySQL databases from external sources.

Discussion 0
Questions 8

You are designing a solution for a startup company, the proposed solution is like this You suggest they use ECS instances to process requests from mobile App clients, and use SLB to distribute data traffic and ensure the load across each backend ECS instance is balanced.

Moreover to deal with volatile fluctuations in business volume (page views are much higher on the weekends), you also suggest they use Auto Scaling to dynamically increase or reduce computing resources.

The company is satisfied with the solution you proposed. However, they have one concern that when removing an idle instance from the scaling group: if Auto Scaling shuts the instance down directly, the service running on that instance will be abruptly terminated, resulting in poor user experience.

In order to eliminate your customer's concern, which of the following solutions should you recommend them?

Options:

A.  

Find the ECS instance that is going to be removed from the backend server pool of the SLB instancer and automatically set the weight of this ECS instance to 0. This instance will not be assigned with new requests, and will be automatically removed from the backend server pool after existing tasks are completed.

B.  

First, insert a script into the image for creating the ECS instance Second, make the script run automatically when the operating system in this ECS instances is about to shut down. This script contains the processing logic that can ensure the instance finish all the remaining tasks before shutting down.

C.  

Find the ECS instance that is going to be removed from the backend server pool of the SLB instance, and manually remove this instance from the backend server pool Applications running on this ECS instance will normally return results, but this instance will not be assigned with new requests.

D.  

Use the Lifecycle Hook function embedded m Auto Scaling Define a suitable timeout and a web hook to do the necessary work before the instance is removed.

Discussion 0
Questions 9

Alibaba Cloud ECS provides multiple instance types to meet the needs of different business scenarios. A medium-sized enterprise user wants to use two ECS instances, one to deploy a single Tomcat service and the other one to deploy Memcache. Which of the following configurations is most recommended?

Options:

A.  

Tomcat: 4 cores. 8G, Memcache: 2 cores: 16G

B.  

Tomcat: 4 cores 8G. Memcache: 2 cores 8G

C.  

Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G

D.  

Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G

Discussion 0
Questions 10

As a concept stem from cloud computing, cloud storage service provides on-demand storage and data services to users through a unified interface Which of the following characteristics about cloud storage are correct? (Number of correct answers: 4)

Options:

A.  

Management and maintenance: To prevent emergent service termination, users need to know the underlying detail like how the data is archived in the resource pool.

B.  

Service on demand Cloud storage has a huge resources pool, users can apply for and use the resources on demand.

C.  

High reliability and availability: Provides very high reliability and availability through technologies like 3 redundant copies, automatic failure recovery, etc.

D.  

Ultra-large scale: Data storage can reach TB or even PB level

E.  

Transparent service: Provides the service through a single SDK

F.  

High scalability Storage capacity can be dynamically scaled to meet the needs.

Discussion 0
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