AWS Final Exam
Which of the following is true regarding static websites hosted in S3?
A. The content served is not encrypted in transit.
What's the most cost-effective way to view and search only the last 60 days of management API events on your AWS account?
A. Use CloudTrail event history.
Which of the following statements is true regarding nonrelational databases?
You don't have to define all the types of data that a table can store before adding data to it.
You're hosting a static website on S3. Your web assets are stored in the US East 1 Region in the bucket named mygreatwebsite. What is the URL of the website?
A. http://mygreatwebsite.s3-website-us-east-1.amazonaws.com
Which of the following could be included in an EC2 AMI? (Select TWO.)
B. A software application stack C. An operating system
Which of the following actions can you perform from the S3 Glacier service console?
create a vault
Which of the following is a key component of operational excellence?
automating manual processes
What type of AWS Systems Manager document can take a snapshot of an EC2 instance?
automation document
Which of the following OpsWorks services uses Chef recipes?
aws opsworks stacks
Which type of redshift node uses magnetic storage
dense compute
Which RDS database engine offers automatically expanding database storage up to 64 TB?
B. Amazon Aurora
Which of these AWS services use primarily EC2 resources under the hood? (Select TWO.)
B. Lightsail C. Elastic Beanstalk
Which of the following hardware devices offers a network interface speed that supports up to 100 Gbps?
B. Snowball Edge with the Compute Optimized configuration
Which CodeBuild build environment compute types support Windows operating systems? (Select TWO.)
B.build.general1.medium D.build.general1.large
Which of the following Structured Query Language (SQL) statements can you use to write data to a relational database table?
insert
Which of the following Relational Database Service (RDS) features can help you achieve a monthly availability of 99.95 percent?
multi az
What configuration management platforms does OpsWorks support? (Select TWO.)
puppet enterprise, chef
Which types of AWS Storage Gateway let you connect your servers to block storage using the iSCSI protocol? (Select TWO.)
tape gateway, volume gateway
Which of the following can you use to transfer data to AWS Snowball from a Windows machine without writing any code?
the snowball client
When trying to create an S3 bucket named documents, AWS informs you that the bucket name is already in use. What should you do in order to create a bucket?
use a globally unique bucket name
When describing EC2 instance types, what is the role played by the vCPU metric?
vCPUs represent an instance type's compute power compared to the number of processors on a physical machine.
Which of the following might AWS do after receiving a damaged Snowball device from a customer?
C. Securely erase the customer's data from the device
You've been running several Elasticsearch instances continuously for the past three months. You check the reserved instance recommendations in Cost Explorer but see no recommen- dations. What could be a reason for this?
D. Your instances are already covered by reservations.
Which of the following are examples of applying the principles of the security pillar of the Well-Architected Framework? (Select TWO.)
Granting each AWS user their own IAM username and password Enabling S3 versioning
Which of the following can help achieve cost optimization? (Select TWO.)
Deleting unused S3 objects, deleting unused application load balancers
An Auto Scaling group can use an EC2 system health check to determine whether an instance is healthy. What other type of health check can it use?
ELB
An Auto Scaling group has a desired capacity of 7 and a maximum size of 7. What will Auto Scaling do if someone manually terminates one of these instances?
It will launch one new instance.
Your web application experiences periodic spikes in demand that require the provisioning of extra instances. Which of the following pricing models would make the most sense for those extra instances?
On-demand
What's the minimum size for a Glacier archive?
1 byte
How long will your session with the AWS Management Console remain active?
12 hours
What is the minimum number of actions in a CodePipeline pipeline?
2
Your budget-conscious organization has a 5 TB database file it needs to retain off-site for at least 5 years. In the event the organization needs to access the database, it must be accessible within 8 hours. Which cloud storage option should you recommend, and why? (Select TWO.)
S3 Glacier. D. Glacier is the most cost effective.
Your web application experiences periodic spikes in demand that require the provisioning of extra instances. Which of the following pricing models would make the most sense for the "base" instances that will run constantly?
RESERVED
What's the maximum amount of data you can store in a Redshift cluster when using dense storage nodes?
2 PB
For which of the following scenarios can you create a CloudWatch alarm to send a notification?
A metric that exceeds a given threshold
You need an easy way to transfer files from a server in your data center to S3 without having to install any third-party software. Which of the following services and storage protocols could you use? (Select FOUR.)
A. AWS Storage Gateway—file gateway B. iSCSI D. SMB E. AWS Storage Gateway—volume gateway
What's an advantage of using parameters in a CloudFormation template?
A. Allow customizing a stack without changing the template.
Which of the following describes an EC2 dedicated instance?
A. An EC2 instance running on a physical host reserved for the exclusive use of a single AWS account
What does a CodeBuild environment always contain? (Select TWO.)
A. An operating system B. A Docker image
Which of the following features of S3 improve the security of data you store in an S3 bucket? (Select TWO.)
A. Objects in S3 are not public by default. C. By default, S3 removes ACLs that allow public read access to objects.
What Auto Scaling feature creates a scaling schedule based on past usage patterns?
A. Predictive scaling
Which Redshift feature can analyze structured data stored in S3?
A. Redshift Spectrum
Why would you use CloudFormation to automatically create resources for a development environment instead of creating them using AWS CLI commands? (Select TWO.)
A. Resources CloudFormation creates are organized into stacks and can be managed as a single unit. B. CloudFormation stack updates help ensure that changes to one resource won't break another.
Which S3 storage classes are most cost-effective for infrequently accessed data that can't be easily replaced? (Select TWO.)
A. STANDARD_IA glacier
What is the minimum monthly availability for DynamoDB in a single region?
99.99 percent
What software development practice regularly tests new code for bugs but doesn't do any- thing else?
Continuous integration
Which of the following services allow you to purchase reserved instances to save money?
Amazon Relational Database Service (RDS)
What two databases is Amazon Aurora compatible with? (Select TWO.)
A. MySQL B. PostgreSQL
Your default VPC in the us-west-1 Region has three default subnets. How many Availability Zones are in this Region?
3
What's the most data you can store on a single Snowball device?
72 TB
What is a no-SQL database?
A schemaless nonrelational database
Which of the following is required to use the AWS Command Line Interface (CLI)?
A secret key
Which of the following describes an EBS volume?
A virtualized partition of a physical storage drive that's not directly connected to the EC2 instance it's associated with
Which of the following is an example of a static website?
A website hosted on S3
What is the maximum time a Lambda function may run before timing out?
A. 15 minutes
Where can you find a wide range of verified AMIs from both AWS and third-party vendors?
A. AWS Marketplace
Which of the following software development kits (SDKs) enable developers to write mobile applications that run on both Apple and Android devices? (Select TWO.)
A. AWS Mobile SDK for Unity B. AWS Mobile SDK for .NET and Xamarin
Which of the following use cases are good candidates for spot instances? (Select TWO.)
A. Big data processing workloads Continuous integration development environments
What methods can be used to grant anonymous access to an object in S3? (Select TWO.)
A. Bucket policies B. Access control lists
How does an application load balancer enable reliability?
A. By routing traffic away from failed instances
Which tasks can S3 object life cycle configurations perform automatically? (Select THREE.)
A. Deleting old object versions B. Moving objects to Glacier D. Deleting old objects
Which of the following can CodeDeploy do? (Select THREE.)
A. Deploy an application to an on-premises Windows instance. B. Deploy a Docker container to the Elastic Container Service. C. Upgrade an application on an EC2 instance running Red Hat Enterprise Linux.
Which of the following use container technologies? (Select TWO.)
A. Docker B. Kubernetes
What are the major differences between Simple Storage Service (S3) and Elastic Block Store (EBS)? (Select TWO.)
A. EBS stores volumes. s3 stores objects
Which of the following AWS services are designed to let you deploy Docker containers? (Select TWO.)
A. Elastic Container Service C. Elastic Beanstalk
Which of the following is required to enable S3 static website hosting on a bucket?
A. Enable bucket hosting in the S3 service console.
Which of the following are security features of AWS Snowball? (Select TWO.)
A. It enforces encryption at rest. B. It uses a Trusted Platform Module (TPM) chip.
Which of the following programming languages are AWS Internet of Things (IoT) device software development kits available for? (Select TWO.)
A. JavaScript B. C++
Which of the following services bills at a flat rate regardless of how it's consumed?
A. Lightsail
What Auto Scaling group parameters set the limit for the number of instances that Auto Scaling creates? (Select TWO.)
A. Maximum minimum
How do the AWS Snowball and Snowball Edge devices differ? (Select TWO.)
A. Snowball Edge supports copying files using NFS. D. Snowball Edge can run EC2 instances.
Which of the following are true regarding the AWS Storage Gateway—volume gateway configuration? (Select THREE.)
A. Stored volumes asynchronously back up data to S3 as EBS snapshots. Cached volumes locally store only a frequently used subset of data. Cached volumes can be up to 32 TB in size.
You want to log every object downloaded from an S3 bucket in a specific region. You want to retain these logs indefinitely and search them easily. What's the most cost-effective way to do this? (Select TWO.)
A. Stream CloudTrail logs to CloudWatch Logs. D. Create a trail to log S3 data events.
What's the difference between the AWS Command Line Interface (CLI) and the AWS soft- ware development kits (SDK)? (Select TWO.)
A. The AWS SDKs allow you to use popular programming languages to write applications that interact with AWS services. B. The AWS CLI allows you to interact with AWS services from a terminal.
Your organization is building a database-backed web application that will sit behind an application load balancer. You add an inbound security group rule to allow HTTP traffic on TCP port 80. Where should you apply this security group to allow users to access the application?
A. The application load balancer listener
What are two features of CodeCommit? (Select TWO.)
A. Versioning C. Differencing
Which of the following Snowball Edge device options is the best for running machine learning applications?
B. Compute Optimized with GPU
Which of the following are EC2 instance type families? (Select TWO.)
B. Compute optimized D. Accelerated computing
What is the term for a relational database that stores large amounts of structured data from a variety of sources for reporting and analysis?
B. Data warehouse
What do new Relational Database Service (RDS) instances use for database storage?
B. Elastic Block Store (EBS) volumes
Which of these stacks are available from Lightsail blueprints? (Select TWO.)
B. Gitlab D. LAMP
What is a benefit of using CloudTrail log file integrity validation?
B. It lets you assert that no CloudTrail log files have been deleted from S3.
What is true regarding a DynamoDB partition? (Select TWO.)
B. It's backed by solid-state drives. D. It's replicated across multiple Availability Zones.
Which Cost Explorer report shows the amount of money you've saved using reserved instances?
B. Reservation Utilization
Which of the following features of Relational Database Service (RDS) can prevent data loss in the event of an Availability Zone failure? (Select TWO.)
B. Multi-AZ C. Snapshots
Which of the following are database engine options for Amazon Relational Database Service (RDS)? (Select TWO.)
B. PostgreSQL D. Amazon Aurora
In the context of CodeCommit, what can differencing accomplish
B. Understanding what code change introduced a bug
Which of the following trigger an API action? (Select TWO.)
B. Viewing an S3 bucket from the AWS Management Console D. Listing IAM users from the AWS Command Line Interface (CLI)
Which configuration parameters can you adjust to improve write performance against a DynamoDB table? (Select TWO.)
C. Increase write capacity units (WCU) E. Enable DynamoDB Auto Scaling
Why might you want to use an instance store volume with your EC2 instance rather than a volume from the more common EBS service? (Select TWO.)
C. Instance store volumes provide faster data read/write performance. D. Instance store volumes are connected directly to your EC2 instance.
Which of the following are true regarding CloudWatch Events? (Select TWO.)
C. It can send an SNS notification when an IAM user logs in to the AWS Management Console. D. It can shut down an EC2 instance at a specific time.
Which of the following best describes what happens when you purchase an EC2 reserved instance?
Charges for any instances you run matching the reserved instance type will be covered by the reservation.
Which of the following would be appropriate to use for a primary key in a DynamoDB table that stores a customer list?
D. A randomly generated customer ID number
Which of the following Cost Explorer report types can show you the monthly costs for your reserved EC2 instances?
D. Costs and usage reports
Which of the following statements is true regarding a DynamoDB table?
D. Items in a table don't have to have all the same attributes.
Which AWS services simplify the process of bringing web applications to deployment? (Select TWO.)
Elastic Beanstalk D. Lightsail
Which of the following credentials can you use to log into the AWS Management Console?
Identity and Access Management (IAM) username
You're hosting a web application on two EC2 instances in an Auto Scaling group. The performance of the application is consistently acceptable. Which of the following can help maintain or improve performance efficiency? (Select TWO.)
Implementing policies to prevent the accidental termination of EC2 instances in the same Auto Scaling group D. Using CloudFront
After installing the AWS Command Line Interface, what should you do before using it to securely manage your AWS resources?
Issue the aws configure command.
What role can the Python programming language play in AWS Lambda?
It can be set as the runtime environment for a function.
Which of the following is an advantage of using CloudFormation?
It lets you create multiple separate AWS environments using a single template.
Which of the following is true regarding a resource tag?
It must have a key.
Which of the following programming languages are AWS software development kits avail- able for? (Select THREE.)
JavaScript D. Java E. PHP
Which output format does the AWS CLI support?
JavaScript object notation (JSON)
Which of the following CloudWatch features store performance data from AWS services?
Metrics
Which of the following can impact the reliability of a web application running on EC2 instances?
Not replacing a misconfigured resource that the application depends on.
Which of the following OpsWorks Stacks layers contains at least one EC2 instance?
OpsWorks layer
Which type of database stores data in columns and rows?
RELATIONAL
Which of the following Simple Notification Service (SNS) protocols can you use to send a notification? (Select TWO.)
Short Message Service (SMS) text message Simple Queue Service (SQS)
Which of the following are options for installing the AWS CLI on Windows 10? (Select TWO.)
The MSI installer using python and pip
What is the function of an EC2 AMI?
To serve as a source image from which an instance's primary storage volume is built
You've created a static website hosted on S3 and given potential customers the URL that consists of words and numbers. They're complaining that it's too hard to type in. How can you come up with a friendlier URL?
Use a custom domain name.
What formats do CloudFormation templates support? (Select TWO.)
YAML D. JSON
You're hosting a static website on S3. Your web assets are stored under the Standard storage class. Which of the following is true regarding your site?
You're responsible for S3 charges.
While looking at the EC2 service console in the AWS Management Console while logged in as the root user, you notice all of your instances are missing. What could be the reason?
You've selected the wrong region in the navigation bar.
Which of the following contains the configuration information for instances in an Auto Scaling group?
launch template
What type of AWS Systems Manager document can run Bash or PowerShell scripts on an EC2 instance?
command document
You want to predefine the configuration of EC2 instances that you plan to launch manually and using Auto Scaling. What resource must you use?
launch template
You have a public web application running on EC2 instances. Which of the following fac- tors affecting the performance of your application might be out of your control?
network
Which of the following is not one of the pillars of the Well-Architected Framework?
resiliency
Where does AWS Storage Gateway primarily store data?
s3 buckets
Which DynamoDB operation is the most read-intensive?
scan
You've created a target tracking policy for an Auto Scaling group. You want to ensure that the number of instances in the group never exceeds 5. How can you accomplish this?
set the maimum group size to 5
Which Glacier retrieval option generally takes 3 to 5 hours to complete?
standard
