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When using Alibaba Cloud SLB, you can set different weights for backend ECS instances. The higher the weight of a backend ECS instance, the more load will be assigned to it. If an SLB instance has 5 ECS instances in the backend server pool, all of which are healthy. Among these 5 ECS instances, the weight of ecs_inst1 is set to 100.
Which of the following statements is correct? A . We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen.
B. 100% of loads will be assigned to ecs_inst1, and the rest 4 ECS instances will stay idle.
C. Based on SLB’s working mechanism, approximately 20% of loads will be assigned to ecs_inst1.
D. Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1.
Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types? (Choose three.) A . MySQL
B. SQL Server
D. Oracle database
A large shopping mall deploys a new video surveillance system. The five-floor building in which the mall is located installed 35 HD cameras to monitor the major exits. The surveillance system is deployed on an ECS instance, which has four 2 TB data disks to store video data.
However, video data grows rapidly and the engineers find that the ECS will run out of storage space within 2 weeks.
In this case,product is thought to be the best solution for addressing the storage challenge while ensuring quick access to historical video data when needed. A . Container Service