You are using an m1.small EC2 Instance with one 300 GB EBS volume to host a relational database. You
determined that write throughput to the database needs to be increased. Which of the following approaches
can help achieve this? Choose 2 answers
A.
Use an array of EBS volumes.
B.
Enable Multi-AZ mode.
C.
Place the instance in an Auto Scaling Groups
D.
Add an EBS volume and place into RAID 5.
E.
Increase the size of the EC2 Instance.
F.
Put the database behind an Elastic Load Balancer.
A,E..
Agree with A,E.
A E
I agree with A,E
Because AWS recommneds only RAID 1 and RAID 0.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/raid-config.html
AE
A,E. The minimum number of disks in RAID 5 is 3. Increasing the disk size increase the number of IOPS available to it.