AWS Academy Cloud Architecting [2606] - Module 9 Knowledge Check | Questions with 100 % correct answers | Verified

Which statement about Amazon EC2 Auto Scaling is accurate? A. It requires the customer to purchase Reserved Instances. B. It can launch Amazon EC2 instances in multiple Availability Zones. C. It can launch Amazon EC2 instances, but customers must terminate instances after they are no longer needed. D. It can only launch new Amazon EC2 instances based on a schedule - B You detected that the demand on a fleet of Amazon EC2 instances in an Auto Scaling group increases by a set amount each day. Which type of scaling is the most appropriate for this scenario? A. Scheduled B. Dynamic C. Predictive D. Manual - A A fleet of Amazon EC2 instances are launched in an Auto Scaling group behind an Elastic Load Balancing load balancer. The EC2 instances must maintain 50 percent average CPU utilization. Which type of scaling provides the simplest way to achieve this requirement? A. Step scaling B. Simple scaling C. Target tracking scaling D. Manual scaling - C How do you vertically scale an Amazon RDS database?A. By adding read replicas B. By creating dedicated read and write nodes C. By sharding the database D. By changing the instance class - D