batch #8 Flashcards
You have recently purchased some reserved instances and are unsure if they are being used. Which of the following is a possible way to check this?
Via the Reserved Instance utilization report
Which of the following traditional disaster recovery methods runs your site in AWS as well as on your existing on-site infrastructure, in an active-active configuration?
Multi-site solution
Which AWS service does AWS WAF primarily use to aid with automation?
AWS Lambda
Network ACLs in a VPC operate at the ______.
Network
When does the billing process for an Amazon EC2 instance begin?
When the AMI boot sequence is initiated.
You are viewing your AWS resources but can only see the resources tied to the region you’ve specified. What is the reason for this?
Because regions are isolated from each other, and AWS does not replicate resources across regions automatically
As it relates to Amazon EC2 instances, what is the function of key pairs?
To encrypt the login information for Linux and Windows EC2 instances and then decrypt the same information, allowing you to authenticate into the instance.
Important functions of an organization’s application are impaired or degraded, and you can’t work around the problem, but the overall business is not affected. You decide that you need some support from AWS. You have an Enterprise Support Plan with AWS. Which of the following severity levels do you think would be an appropriate choice for this issue?
Product system impaired
In which component do users store data in Amazon Glacier, similar to an S3 bucket?
In a vault
Which of the following is true of CloudWatch alarms?
They automatically make changes to the resources monitored based on rules defined.
You are reviewing AWS Elastic Beanstalk and considering how it can support versions of an application. Which statement below is correct?
AWS Elastic Beanstalk allows you to run multiple versions of an application at the same time.
What service is used to store the log files generated by CloudTrail?
S3
Pricing is ____ consumed for EC2 instances.
either per instance-second or per instance-hour
Network Access Control Lists (NACLs) are _______
stateless
What types of identities do Amazon Cognito identity pools support?
They support both authenticated and unauthenticated identities.
When using Amazon Glacier’s standard retrieval option, which of the following statements is correct?
3-5 hours
You have a time-sensitive development question and you decide that you need some support from AWS. Which of the following severity levels will be an appropriate choice for you to resolve the issue?
System impaired
Serverless computing falls under which category of cloud computing services?
Function as a service
__________ are predefined, out-of-the-box policies that grant permissions for common use cases to eliminate the need to determine what permissions are needed.
AWS Managed Policies
In Amazon EC2, if you no longer wish to be charged for your instance, you must ______ the instance to avoid being billed for additional time.
STOP or TERMINATE
At what level can Amazon S3 Access Control Lists (ACLs) be applied?
Bucket or Object
Which two of the four Amazon S3 storage classes listed below charge a per GB retrieval fee? (Choose 2 answers)
Amazon Glacier and S3 Standard-IA are both designed for storing infrequently accessed data
When processing workloads on specific Amazon EC2 instances that require a higher level of durability, and the ability for an instance to quickly retrieve the data, the recommended option is to use ______________.
EBS volumes