AWS Academy Cloud Architecting [2606] - Module 9 Knowledge Check
Questions and Answers with Complete Solutions UPDATED!!!
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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER D
Questions and Answers with Complete Solutions UPDATED!!!
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 - ANSWER 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 - ANSWER 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 - ANSWER 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 - ANSWER D
