Which service or feature should the Architect add to prevent a bottleneck?
A. ELB Classic Load Balancer in front of the web application tier.
B. Amazon ElastiCache in front of the RDS MySQL Database.
C. Multi-AZ feature on the RDS MySQL Database
D. Amazon SQS in front of RDS MySQL Database
Answer:B
Which service or feature should the Architect add to prevent a bottleneck?
A. ELB Classic Load Balancer in front of the web application tier. B. Amazon ElastiCache in front of the RDS MySQL Database. C. Multi-AZ feature on the RDS MySQL Database D. Amazon SQS in front of RDS MySQL Database