Elasticity in the AWS Cloud refers to which of the following? (Choose two.)

A. How quickly an Amazon EC2 instance can be restarted
B. The ability to rightsize resources as demand shifts
C. The maximum amount of RAM an Amazon EC2 instance can use
D. The pay-as-you-go billing model
E. How easily resources can be procured when they are needed

Which Reserved Instance (RI) provides the HIGHEST average cost savings compared to an On-Demand Instance?

A. 1-year, No Upfront, Standard RI
B. 1-year, All Upfront, Convertible RI
C. 3-year, All Upfront, Standard RI
D. 3-year, No Upfront, Convertible RI

What is the customer ALWAYS responsible for managing, according to the AWS shared responsibility model?

A. Software licenses
B. Networking
C. Customer data
D. Encryption keys

Which AWS service or feature enables users to block the incoming or outgoing traffic associated with specific IP addresses flowing through a VPC?

A. Network ACLs
B. Security groups
C. AWS Identity and Access Management (IAM)
D. AWS WAF

A company has set up its IT infrastructure in the AWS Cloud. The company wants to receive detailed reports that break down AWS costs by the hour. The reports must be placed in an Amazon S3 bucket.
Which AWS tool will meet these requirements?

A. AWS Cost and Usage Reports
B. AWS Pricing Calculator
C. Cost Explorer
D. AWS Budgets

A company has stopped all of its Amazon EC2 instances but monthly billing charges continue to occur.
What could be causing this? (Choose two.)

A. Amazon Elastic Block Store (Amazon EBS) storage charges
B. Operating system charges
C. Hardware charges
D. Elastic IP charges
E. Input/output (I/O) charges

A user wants to control AWS services by using the AWS CLI.
What are the MINIMUM security credentials that the user needs to achieve this goal?

A. AWS account user name and password
B. Multi-factor authentication (MFA)
C. Access keys
D. Key pairs

A company needs to use Amazon S3 to store audio files that are each 5 megabytes in size. The company will rarely access the files, but the company must be able to retrieve the files immediately.
Which S3 storage class will meet these requirements MOST cost-effectively?

A. S3 Standard
B. S3 Standard-Infrequent Access (S3 Standard-IA)
C. S3 Glacier Flexible Retrieval
D. S3 Glacier Deep Archive

Which AWS service offers threat detection and continuously monitors for malicious activity and unauthorized behavior in AWS accounts?

A. Amazon Macie
B. AWS Config
C. Amazon GuardDuty
D. Amazon Inspector

Which AWS service or tool lists all the users in an account and reports on the status of account details, including passwords, access keys, and multi-factor authentication (MFA) devices?

A. AWS Shield
B. AWS Trusted Advisor
C. Amazon Inspector
D. IAM credential report