Which of the following descriptions about the application scenarios of Huawei Cloud DDS service is correct? (Multiple choice)

• A.Huawei DDS can be used in the financial industry to store orders and transaction logs.
• B.Huawei Cloud DDS can be used in the game industry to store various data types such as game props.
• C.Huawei Cloud DDS can be used in the e-commerce industry to support transactional order payment.
• D.Huawei Cloud DDS can be used in the Internet of Things industry, users store data collected by terminals and industry logs

Comment: *

Name: *

Email: *

Verification: *

Which of the following descriptions about the comparison of OLTP and OLAP features is wrong?

• A.OLAP database to store the amount of data is usually several H than OLTP large database.
• B.OLAP database is more suitable for high-level decision makers than OLTP database.
• C.OLAP database is mainly for analysis purposes.
• D.There are few data update operations in OLTP databases.

Comment: *

Name: *

Email: *

Verification: *

Huawei Cloud ServiceStage is a one-stop microservice cloud application platform. Through this platform, the efficiency of DevOps can be greatly improved, allowing enterprises to focus on business innovation and deployment. At present, which of the following operating environments does ServiceStage support? (Multiple choice)

• A.Tomcat
• B.Docker
• C.PHP
• D.Python

Comment: *

Name: *

Email: *

Verification: *

The user found that there are many IPs starting with 100 frequently accessing the back-end ECS instance of their ELB, and the security check did not report the problem. Which of the following is the possible reason?

• A.ELB system health check and availability monitoring
• B.ECS server failure
• C.Being under cyber attack.
• D.Access by real users

Comment: *

Name: *

Email: *

Verification: *

PFX is a personal certificate saved in binary format. Generally appear in windows Server.
When a user wants to upload a certificate in this format to a Huawei ELB instance, which of the following operations is correct?

• A.ELB does not support certificates in PFX format. You can only convert them to DER format first. Upload again
• B.The ELB load balance does not support certificates in PFx format. You can only convert them to P7B format first. Upload
• C.Elastic load balancing ELB supports certificates in PFx format. It can be uploaded directly.
• D.ELB does not support certificates in PFX format. It can only be said to be converted into PEM format first. Upload again

Comment: *

Name: *

Email: *

Verification: *