While Creating the Wait Condition Resource in AWS CloudFormation, a SysOps

question 345

Multiple Choice

While creating the wait condition resource in AWS CloudFormation, a SysOps Administrator receives the error "received 0 signals out of the 1 expected from the EC2 instance". What steps should be taken to troubleshoot this issue? (Choose two.)

• A) Confirm from the cfn logs that the cfn-signal command was successfully run on the instance.
• B) Try to re-create the stack with a different IAM user.
• C) Check that the instance has a route to the Internet through a NAT device.
• D) Update the AWS CloudFormation stack service role to have iam:PassRole permission.
• E) Delete the existing stack and attempt to create a new once.

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Definitions:

Perfectly Elastic

A situation in a market where the quantity demanded or supplied responds infinitely or disproportionately to changes in price.

Cross Elasticity

A measure of how the quantity demanded of one good or service changes in response to a change in the price of another good or service.

Complementary

Goods or services that are used together, where an increase in demand for one leads to an increase in demand for the other.

Income Elasticity

A measure of how much the demand for a product changes in response to changes in consumer income.