EMT Practice Test

1. Question Content...

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Question1: A company's legacy application is currently relying on a single-instance Amazon RDS MySQL database without encryption.
Due to new compliance requirements, all existing and new data in this database must be encrypted.
How should this be accomplished?

Question2: In the context of AWS support, why must an EC2 instance be unreachable for 20 minutes rather than allowing customers to open tickets immediately?

Question3: In DynamoDB, could you use IAM to grant access to Amazon DynamoDB resources and API actions?

Question4: You've created your first load balancer and have registered your EC2 instances with the load balancer. Elastic Load Balancing routinely performs health checks on all the registered EC2 instances and automatically distributes all incoming requests to the DNS name of your load balancer across your registered, healthy EC2 instances. By default, the load balancer uses the
___ protocol for checking the health of your instances.

Question5: A company wants to host a scalable web application on AWS.
The application will be accessed by users from different geographic regions of the world.
Application users will be able to download and upload unique data up to gigabytes in size.
The development team wants a cost-effective solution to minimize upload and download latency and maximize performance.
What should a solutions architect do to accomplish this?

Question6: You have set up an Auto Scaling group. The cool down period for the Auto Scaling group is 7 minutes. The first instance is launched after 3 minutes, while the second instance is launched after 4 minutes. How many minutes after the first instance is launched will Auto Scaling accept another scaling activity request?

Question7: You are building infrastructure for a data warehousing solution and an extra request has come through that there will be a lot of business reporting queries running all the time and you are not sure if your current DB instance will be able to handle it. What would be the best solution for this?

Question8: A company's website runs on Amazon EC2 instances behind an Application Load Balancer (ALB).
The website has a mix of dynamic and static content Users around the globe are reporting that the website is slow.
Which set of actions will improve website performance for users worldwide?

Question9: A financial services company has a web application that serves users in the United States and Europe.
The application consists of a database tier and a web server tier.
The database tier consists of a MySQL database hosted in us-east-1 Amazon Route 53 geoproximity routing is used to direct traffic to instances in the closest Region.
A performance review of the system reveals that European users are not receiving the same level of query performance as those in the United States.
Which changes should be made to the database tier to improve performance?

Question10: A solutions architect is designing a two-tier web application.
The application consists of a public-facing web tier hosted on Amazon EC2 in public subnets.
The database tier consists of Microsoft SQL Server running on Amazon EC2 in a private subnet Security is a high priority for the company.
How should security groups be configured in this situation? (Select TWO)

Question11: A photo-sharing website running on AWS allows users to generate thumbnail images of photos stored in Amazon S3. An Amazon DynamoDB table maintains the locations of photos, and thumbnails are easily re- created from the originals if they are accidentally deleted.
How should the thumbnail images be stored to ensure the LOWEST cost?

Question12: An organization has three separate AWS accounts, one each for development, testing, and production. The organization wants the testing team to have access to certain AWS resources in the production account. How can the organization achieve this?

Question13: A company wants to migrate a high performance computing (HPC) application and data from on- premises to the AWS Cloud.
The company uses tiered storage on premises with hot high-performance parallel storage to support the application during periodic runs of the application and more economical cold storage to hold the data when the application is not actively running.
Which combination of solutions should a solutions architect recommend to support the storage needs of the application? (Select TWO )

Question14: A company has been storing analytics data in an Amazon RDS instance for the past few years.
The company asked a solutions architect to find a solution that allows users to access this data using an API.
The expectation is that the application will experience periods of inactivity but could receive bursts of traffic within seconds.
Which solution should the solutions architect suggest?

Question15: A company's web application uses an Amazon RDS PostgreSQL DB instance to store its application data.
During the financial closing period at the start of every month. Accountants run large queries that impact the database's performance due to high usage.
The company wants to minimize the impact that the reporting activity has on the web application.
What should a solutions architect do to reduce the impact on the database with the LEAST amount of effort?

Question16: A company captures clickstream data from multiple websites and analyzes it using batch processing.
The data is loaded nightly into Amazon Redshift and is consumed by business analysts.
The company wants to move towards near-real-time data processing for timely insights.
The solution should process the streaming data with minimal effort and operational overhead.
Which combination of AWS services are MOST cost-effective for this solution? (Choose two.)

Question17: A company has application running on Amazon EC2 instances in a VPC.
One of the applications needs to call an Amazon S3 API to store and read objects.
The company's security policies restrict any internet-bound traffic from the applications.
Which action will fulfill these requirements and maintain security?

Question18: A user has created an EBS volume with 1000 IOPS. What is the average IOPS that the user will get for most of the year as per EC2 SLA if the instance is attached to the EBS optimized instance?

Question19: Can a user get a notification of each instance start / terminate configured with Auto Scaling?

Question20: You are in the process of creating a Route 53 DNS failover to direct traffic to two EC2 zones.
Obviously, if one fails, you would like Route 53 to direct traffic to the other region. Each region has an ELB with some instances being distributed. What is the best way for you to configure the Route 53 health check?

Question21: A company runs an internal browser-based application The application runs on Amazon EC2 instances behind an Application Load Balancer.
The instances run in an Amazon EC2 Auto Scaling group across multiple Availability Zones.
The Auto Scaling group scales up to 20 instances during work hours, but scales down to 2 instances overnight Staff are complaining that the application is very slow when the day begins, although it runs well by mid-morning.
How should the scaling be changed to address the staff complaints and keep costs to a minimum?

Question22: A media streaming company collects real-time data and stores it in a disk-optimized database system.
The company is not getting the expected throughput and wants an in-memory database storage solution that performs faster and provides high availability using data replication.
Which database should a solutions architect recommend'?

Question23: A company is hosting a website behind multiple Application Load Balancers.
The company has different distribution rights for its content around the world.
A solutions architect needs to ensure that users are served the correct content without violating distribution rights.
Which configuration should the solutions architect choose to meet these requirements?

Question24: A company allows its developers to attach existing 1AM policies to existing 1AM roles to enable faster experimentation and agility.
However the security operations team is concerned that the developers could attach the existing administrator policy, which would allow the developers to circumvent any other security policies.
How should a solutions architect address this issue?

Question25: A company must generate sales reports at the beginning of every month.
The reporting process launches 20 Amazon EC2 instances on the first of the month.
The process runs for 7 days and cannot be interrupted. The company wants to minimize costs.
Which pricing model should the company choose?

Question26: A solutions architect is designing a high performance computing (HPC) workload on Amazon EC2.
The EC2 instances need to communicate to each other frequently and require network performance with low latency and high throughput.
Which EC2 configuration meets these requirements?

Question27: A solutions architect needs the static website within an Amazon S3 bucket.
Which action will accomplish this?

Question28: You are checking the workload on some of your General Purpose (SSD) and Provisioned IOPS (SSD) volumes and it seems that the I/O latency is higher than you require. You should probably check the _____________ to make sure that your application is not trying to drive more IOPS than you have provisioned.

Question29: An application generates audit logs of operational activities. Compliance requirements mandate that the application retain the logs for 5 years.
How can these requirements be met?

Question30: You need to import several hundred megabytes of data from a local Oracle database to an Amazon RDS DB instance. What does AWS recommend you use to accomplish this?

Question31: A solutions architect is tasked with transferring 750 TB of data from a network-attached file system located at a branch office to Amazon S3 Glacier.
The solution must avoid saturating the branch office's low-bandwidth internet connection.
What is the MOST cost-effective solution1?

Question32: In Amazon EC2 Container Service, are other container types supported?

Question33: A company is planning to migrate a business-critical dataset to Amazon S3.
The current solution design uses a single S3 bucket in the us-east-1 Region with versioning enabled to store the dataset.
The company's disaster recovery policy states that all data multiple AWS Regions.
How should a solutions architect design the S3 solution?

Question34: You need to migrate a large amount of data into the cloud that you have stored on a hard disk and you decide that the best way to accomplish this is with AWS Import/Export and you mail the hard disk to AWS. Which of the following statements is incorrect in regards to AWS Import/Export?

Question35: A company runs an application in a branch office within a small data closet with no virtualized compute resources.
The application data is stored on an NFS volume. Compliance standards require a daily offsite backup of the NFS volume.
Which solution meet these requirements?

Question36: A company's web application is using multiple Linux Amazon EC2 instances and storing data on Amazon EBS volumes.
The company is looking for a solution to increase the resiliency of the application in case of a failure and to provide storage that complies with atomicity, consistency, isolation, and durability (ACID).
What should a solutions architect do to meet these requirements?

Question37: A company's application is running on Amazon EC2 instances m a single Region in the event of a disaster a solutions architect needs to ensure that the resources can also be deployed to a second Region.
Which combination of actions should the solutions architect take to accomplish this-? (Select TWO)

Question38: Your manager has just given you access to multiple VPN connections that someone else has recently set up between all your company's offices. She needs you to make sure that the communication between the VPNs is secure. Which of the following services would be best for providing a low-cost hub-and-spoke model for primary or backup connectivity between these remote offices?

Question39: A solutions architect needs to ensure that API calls to Amazon DynamoDB from Amazon EC2 instances in a VPC do not traverse the internet.
What should the solutions architect do to accomplish this? (Select TWO )

Question40: A data science team requires storage for nightly log processing.
The size and number of logs is unknown and will persist for 24 hours only.
What is the MOST cost-effective solution?

Question41: A company is hosting a web application on AWS using a single Amazon EC2 instance that stores user- uploaded documents in an Amazon EBS volume.
For better scalability and availability the company duplicated the architecture and created a second EC2 instance and EBS volume in another Availability Zone: placing both behind an Application Load Balancer.
After completing this change users reported that each time they refreshed the website they could see one subset of their documents or the other but never all of the documents at the same time.
What should a solutions architect propose to ensure users see all of their documents at once''

Question42: A marketing company is storing CSV files in an Amazon S3 bucket for statistical analysis.
An application on an Amazon EC2 instance needs permission to efficiently process the CSV data stored in the S3 bucket.
Which action will MOST securely grant the EC2 instance access to the S3 bucket?

Question43: A solutions architect has created a new AWS account and must secure AWS account root user access.
Which combination of actions will accomplish this? (Select TWO.)

Question44: A company hosts its product information webpages on AWS.
The existing solution uses multiple Amazon C2 instances behind an Application Load Balancer in an Auto Scaling group.
The website also uses a custom DNS name and communicates with HTTPS only using a dedicated SSL certificate.
The company is planning a new product launch and wants to be sure that users from around the world have the best possible experience on the new website.
What should a solutions architect do to meet these requirements?

Question45: A company is migrating from an on-premises infrastructure to the AWS Cloud.
One of the company's applications stores files on a Windows file server farm that uses Distributed File System Replication (DFSR) to keep data in sync.
A solutions architect needs to replace the file server farm.
Which service should the solutions architect use?

Question46: A company has a two-tier application architecture that runs in public and private subnets Amazon EC2 instances running the web application are in the public subnet and a database runs on the private subnet.
The web application instances and the database are running in a single Availability Zone (AZ).
Which combination of steps should a solutions architect take to provide high availability for this architecture? (Select TWO.)

Question47: A solutions architect is designing the cloud architecture for a new application being deployed on AWS.
The process should run in parallel while adding and removing application nodes as needed based on the number of jobs to be processed.
The processor application is stateless.
The solutions architect must ensure that the application is loosely coupled and the job items are durably stored.
Which design should the solutions architect use?

Question48: You have been asked to build a database warehouse using Amazon Redshift. You know a little about it, including that it is a SQL data warehouse solution, and uses industry standard ODBC and JDBC connections and PostgreSQL drivers. However you are not sure about what sort of storage it uses for database tables. What sort of storage does Amazon Redshift use for database tables?

Question49: Much of your company's data does not need to be accessed often, and can take several hours for retrieval time, so it's stored on Amazon Glacier. However someone within your organization has expressed concerns that his data is more sensitive than the other data, and is wondering whether the high level of encryption that he knows is on S3 is also used on the much cheaper Glacier service. Which of the following statements would be most applicable in regards to this concern?