75% for the database server ECS instance. In this situation, company A may choose which Alibaba Cloud services to improve the performance. (Choose two.)
A. Import data into OSS to share the storage load of the platform.
B. Use RDS to replace existing self-built database, in order to obtain better database performance; also creating RDS read-only instances to handle read-only requests, hence reduce the work load on master RDS instance.
C. Use content delivery network, CDN, to accelerate the caching of the platform's css, JavaScript files etc.
D. By adding a SLB instance and increase the number of ECS instances to reduce the work load on current ECS instances.
Answer:B
75% for the database server ECS instance. In this situation, company A may choose which Alibaba Cloud services to improve the performance. (Choose two.)
A. Import data into OSS to share the storage load of the platform. B. Use RDS to replace existing self-built database, in order to obtain better database performance; also creating RDS read-only instances to handle read-only requests, hence reduce the work load on master RDS instance. C. Use content delivery network, CDN, to accelerate the caching of the platform's css, JavaScript files etc. D. By adding a SLB instance and increase the number of ECS instances to reduce the work load on current ECS instances.