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Huawei HCIE-Cloud Service Solutions Architect (Written) V2.0 Sample Questions:

1. HUAWEI CLOUD DCS Distributed Cache Service provides support for Redi s and memcached two memory database versions. Which of the following descriptions about the comparison of Redi s and ecached features is wrong?

A) Memcached is single-core and single-threaded, Redis supports multi-threading, and performance can be improved by increasing the number of CPU.
B) Kencached does not support data persistence, Redis can support scenarios that require persistent storage of data.
C) Kemcache single cache object value cannot exceed 1. For scenarios exceeding 1, it is recommended to use Redis.
D) Memcached is suitable for caching with simple data structure model, Redis is suitable for caching scenarios with complex data structure.

2. Huawei Cloud CCI is based on the container instance service provided by the Docker container engine.

A) False
B) True

3. HUAWEI CLOUD ELB is a service that distributes traffic to multiple ECS instances and supports Layer 4 and Layer 7 forwarding protocols. When the seven-layer service is loaded, which of the following methods is mainly used to distribute traffic to ECS instances? (Multiple choice)

A) Distribution strategies and rules set in ELB.
B) Really meaningful application layer content in the message
C) The destination IP address and port in the message
D) Source IP address and port in the message

4. In the basic development of microservices, when the consumer calls the provider service and reports an error, the exception message is that the provider service cannot be found. What are the possible reasons? (Multiple choice)

A) The environment of consumer service and provi der service is different.
B) There is no instance record of provi der service in the service center.
C) The service center has no record of provider service.
D) The PPLCATION ID of consumer service and provi der are different.

5. Which options are correct in the following description of PostgreSQL database? (Multiple choice)

A) PostgreSQL does not support functional indexes.
B) PostgreSQL does not support SQL operations JSON or XML.
C) The transactional nature of PostgreSQL is close to that of Oracle database.
D) PostgreSQL is an open source database.

Solutions: