Multiple lower-configuration I/O-optimized ECS instances can be used with ___________ to deliver a high-availability architecture.
A. Server Load Balancer
B. RDS
C. Auto Scaling
D. OSS
Using a cloud computing service is simple and straightforward. One can choose the instance with desired specification, finish payment and then use it right away. Moreover, the underlying physical machines are managed by cloud service providers and transparent to users.
A. TRUE
B. FALSE
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