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H13-811_V3.5 · Question #29

A user uses Huawei Cloud Elastic Cloud Server to build a business website. The backend uses Huawei Cloud relational database to store business data. When the database is configured correctly, it is…

The correct answer is C. The relational database port configured for the business website in the elastic cloud server is. See the full explanation below for the reasoning.

Huawei Cloud Network Services

Question

A user uses Huawei Cloud Elastic Cloud Server to build a business website. The backend uses Huawei Cloud relational database to store business data. When the database is configured correctly, it is found that the business website cannot communicate with the database. Which of the following possible scenarios is wrong?

Options

  • AThe ECS and the relational database are in two different VPCs, and peer connections are not
  • BThe password of the elastic cloud server is different from the password of the relational database,
  • CThe relational database port configured for the business website in the elastic cloud server is
  • DThe elastic cloud server and relational database are in two different security groups. The security

How the community answered

(26 responses)
  • A
    8% (2)
  • B
    4% (1)
  • C
    77% (20)
  • D
    12% (3)

Topics

#VPC peering#security groups#RDS connectivity#network troubleshooting

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