After creating a new AWS account, you use the API to request 40 on-demand EC2 instances in a single AZ. After 20 successful requests, subsequent requests failed. What could be a reason for this issue, and how would you resolve it?
A. You encountered a soft limit of 20 instances per region. Submit the limit increase form and retry the failed requests once approved.
B. AWS allows you to provision no more than 20 instances per Availability Zone. Select a different Availability Zone and retry the failed request.
C. You need to use Amazon Virtual Private Cloud (VPC) in order to provision more than 20 instances in a single Availability Zone. Simply terminate the resources already provisioned and re-launch them all in a
VPC.
D. You encountered an API throttling situation and should try the failed requests using an exponential decay retry algorithm.
Answer: A. You encountered a soft limit of 20 instances per region. Submit the limit increase form and retry the failed requests once approved.
You might also like to view...
Which of the following exception types must always be caught unless they are contained in methods that throw them in the method header?
a) file stream b) IO c) checked d) unchecked e) none of the above
Webpage documents that use an HTML extension can be imported._________________________
Answer the following statement true (T) or false (F)
When inserting a picture into a document, you can download pictures from Facebook, as well as from several other account types
Indicate whether the statement is true or false
Afterimage is also known as ____________.
a. successive contrast b. relative contrast c. reverse contrast d. successful contrast