AWS Academy Cloud Foundations - Compute/Storage/Databases
What is included in an Amazon Machine Image (AMI)?
- A template for the root volume for the instance - Launch permissions that control which aws accounts can use the ami to launch instances - A block device mapping that specifies the volumes to attach to the instance when its launched All of the above
Which of the following are features of Amazon Elastic Block Store (Amazon EBS)? (Choose two)
- Amazon EBS volumes can be encrypted transparently to workloads on the attached instance. - Data stored on Amazon EBS is automatically replicated within an Availability Zone. Note: There are no tapes in the AWS infrastructure. Amazon EBS volumes persist when the instance is stopped. The data is automatically replicated within an Availability Zone. Amazon EBS volumes can be encrypted upon creation and used by an instance in the same manner as if they were not encrypted.
Which of the following must be specified when launching a new Amazon Elastic Compute Cloud (Amazon EC2) Windows instance? (Choose two)
- Amazon EC2 instance type - Amazon Machine Image (AMI)
Elastic Load Balancing health checks may be what? (Choose three)
- An Amazon Elastic Compute Cloud (Amazon EC2) instance status check - A connection attempt - A ping
Amazon CloudWatch supports which types of monitoring plans? (Choose two)
- Basic monitoring, which is free - Detailed monitoring, which has an additional cost
What are the three types of load balancers that ELB offers? (Choose three)
- Classic Load Balancer - Network Load Balancer - Application Load Balancer
What should you consider when choosing a database type? (Select the best answer.)
- Data size - Data access period - Query frequency - Highly available All of the above
Which of the following AWS tools help your application scale up or down based on demand? (Choose two)
- Elastic Load Balancing - Auto Scaling
Which of the following are characteristics of the Auto Scaling service on AWS? (Choose three)
- Enforces a minimum number of running Amazon EC2 instances - Launches instances from a specified Amazon Machine Image (AMI) - Responds to changing conditions by adding or terminating Amazon Elastic Compute (Amazon EC2) instances
What are the minimum elements required to create an Auto Scaling launch configuration? (Choose three)
- Launch Configuration Name - Instance type - Amazon Machine Image (AMI)
Which of the following are required elements of an Auto Scaling group? (Choose two)
- Launch configuration - Minimum size
In Amazon DynamoDB, what does the query operation enable you to do? (Select the best answer.)
- Query a table using the partition key and an optional sort key filter - Query any secondary indexes that exist for a table - Efficiently retrieve items from a table or secondary index. All of the above
Which of the following can be used as a storage class for an S3 object lifecycle policy? (Choose three)
- Simple Storage Service Glacier - S3 - Infrequent Access - S3 - Standard Access
What is included in an Amazon Machine Image (AMI)?
- a template for the root volume for the instance - launch permissions that control which aws accounts can use the ami to launch instances - a block device mapping that specifies the volumes to attach to the instance when its launched All of the above
Amazon Elastic Block Store (Amazon EBS) is recommended when data _______ and _______. (Choose two)
- requires an encryption solution - must be quickly accessible, requiring long-term persistence
How long does Amazon CloudWatch keep metric data? (Select the best answer)
15 months
Regarding Amazon S3 Glacier, what is a Vault? (Select the best answer)
A container for storing archives
Which of the following must be configured on an Elastic Load Balancing load balancer to except incoming traffic? (Select the best answer)
A listener
What is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud? (Select the best answer)
AWS Elastic Beanstalk
Which AWS service helps developers quickly deploy resources which can make use of different programming languages, such as .Net and Java? A. AWS CloudFormation B. AWS SQS C. AWS Elastic Beanstalk D. Amazon Elastic Compute Cloud (Amazon EC2)
AWS Elastic Beanstalk
Which of the following services is a serverless compute service in AWS? (Select the best answer)
AWS Lambda
_______ is up to five times faster than standard MySQL databases and three times faster than standard PostgreSQL databases. (Select the best answer)
Amazon Aurora
A company has an application, which consists of a .NET layer that connects to a MySQL database. They want to move this application on to AWS and use AWS features such as high availability and automated backups. Which of the following would be an ideal database for this use case? (Select the best answer)
Amazon Aurora Note: Amazon Aurora is a MySQL- and PostgreSQL- compatible relational database.
If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, which service should you consider? (Select the best answer.)
Amazon DynamoDB
You are designing an eCommerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold the session state in this example?
Amazon DynamoDB
Which of the following is a fully managed NoSQL database service? A. Amazon RDS B. Amazon DynamoDB C. Amazon Aurora D. Amazon Redshift
Amazon DynamoDB DynamoDB is the only NoSQL database service
Why is AWS more economical than traditional data centers for applications with varying compute workloads?
Amazon EC2 instances can be launched on-demand when needed.
Why is AWS more economical than traditional data centers for applications with varying compute workloads? (Select the best answer)
Amazon EC2 instances can be launched on-demand when needed.
Which AWS Cloud service is best suited for Online Analytics Processing (OLAP)? (Select the best answer)
Amazon Redshift
Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SQL) and your existing business intelligence (BI) tools? (Select the best answer.)
Amazon Redshift
A company wants to store data that is not frequently accessed. What is the best and cost-effective solution that should best be considered? A. Amazon Storage Gateway B. Amazon S3 Glacier C. Amazon EBS D. Amazon S3
Amazon S3 Glacier
Which service would you use to send alerts based on Amazon CloudWatch alarms? (Select the best answer)
Amazon Simple Notification Service (Amazon SNS)
Which of the following use cases is appropriate for using Amazon Relational Database Service (Amazon RDS)? (Select the best answer.)
Complex transactions Note: Use Amazon RDS when your application requires complex transactions or complex queries.
Which Amazon Elastic Compute Cloud (Amazon EC2) feature ensures your instances will not share a physical host with instances from any other AWS customer? (Select the best answer)
Dedicated Instances
Access Control Lists are used to make entire buckets (like one hosting an S3 website) public. (Select the best answer)
False
Containers contain an entire operating system. (True or False?)
False
True or False? By default, all data stored in Amazon S3 is viewable by the public.
False
With the "pay as you go" pricing model, how often do you pay for compute resources from the time you launch a resource until you terminate it? (Select the best answer)
Monthly
Which of the following is an example of Amazon Lightsail?
Platform as a service
Which Amazon EC2 option is best for long-term workloads with predictable usage patterns? (Select the best answer)
Reserved Instances
Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern? (Select the best answer)
Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.
You need to find an item in an Amazon DynamoDB table using an attribute other than the item's primary key. Which of the following operations should you use? (Select the best answer.)
Scan or Scan Operation
If your project requires monthly reports that iterate through very large amounts of data, which Amazon Elastic Compute Cloud (Amazon EC2) purchasing option should you consider? (Select the best answer)
Scheduled Reserved Instances
What can you use S3 for with your web application? (Select the best answer)
Store static content such as images, video, CSS, JavaScript, etc.
True or False? Amazon Simple Storage Service (Amazon S3) is an object storage suitable for the storage of flat files like Microsoft Word documents, photos, etc.
True
True or False? You can launch multiple instances of different types from a single AMI when launching an EC2 instance.
True
True or false? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period and enabling point-in-time recovery.
True
When you create a bucket in Amazon S3, it is associated with a specific AWS Region. (Select the best answer)
True
In Amazon DynamoDB, an attribute is ______. (Select the best answer.)
a fundamental data element
You can use Amazon Elastic File System (Amazon EFS) to: (Select the best answer)
implement storage for Amazon EC2 instances that multiple virtual machines can access at the same time.
Amazon S3 replicates all objects ______. (Select the best answer)
in multiple Availability Zones within the same Region
When you create a table in Amazon DynamoDB, in addition to the table name, you must specify the _____ of the table. (Select the best answer)
primary key
The name of an S3 bucket must be unique _________. (Select the best answer)
worldwide across all AWS accounts
