EMT Practice Test

1. Question Content...

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Question1: A company is preparing to give AWS Management Console access to developers. Company policy mandates identity federation and role based access control. Roles are currently assigned using groups in the corporate Active Directory. What combination of the following will give developers access to the AWS console?
Choose 2 answers

Question2: You are designing a web application that stores static assets in an Amazon Simple Storage Service (S3) bucket. You expect this bucket to immediately receive over 150 PUT requests per second. What should you do to ensure optimal performance?

Question3: Do the Amazon EBS volumes persist independently from the running life of an Amazon EC2 instance?

Question4: A data engineer is about to perform a major upgrade to the DDL contained within an Amazon Redshift cluster to support a new data warehouse application. The upgrade scripts will include user permission updates, view and table structure changes as well as additional loading and data manipulation tasks. The data engineer must be able to restore the database to its existing state in the event of issues.
Which action should be taken prior to performing this upgrade task?

Question5: Will I be charged if the DB instance is idle?

Question6: Which of the following notification endpoints or clients does Amazon Simple Notification Service support?
Choose 2 answers

Question7: An organization is designing a public web application and has a requirement that states all application users must be centrally authenticated before any operations are permitted. The organization will need to create a user table with fast data lookup for the application in which a user can read only his or her own data. All users already have an account with amazon.com.
How can these requirements be met?

Question8: Amazon RDS creates an SSL certificate and installs the certificate on the DB Instance when Amazon RDS provisions the instance. These certificates are signed by a certificate authority. The _____ is stored athttps://rds.amazonaws.com/doc/rds-ssl-ca-cert.pem.

Question9: An organization needs a data store to handle the following data types and access patterns
* Faceting
* Search
* Flexible schema (JSON) and fixed schema
* Noise word elimination
Which data store should the organization choose?

Question10: A company needs a churn prevention model to predict which customers will NOT review their yearly subscription to the company's service. The company plans to provide these customers with a promotional offer. A binary classification model that uses Amazon Machine Learning is required.
On which basis should this binary classification model be built?

Question11: What does Amazon ELB stand for?

Question12: A solutions architect works for a company that has a data lake based on a central Amazon S3 bucket. The data contains sensitive information. The architect must be able to specify exactly which files each user can access.
Users access the platform through SAML federation Single Sign On platform.
The architect needs to build a solution that allows fine grained access control, traceability of access to the objects, and usage of the standard tools (AWS Console, AWS CLI) to access the data.
Which solution should the architect build?

Question13: A game company needs to properly scale its game application, which is backed by DynamoDB.
Amazon Redshift has the past two years of historical data. Game traffic varies throughout the year based on various factors such as season, movie release, and holiday season. An administrator needs to calculate how much read and write throughput should be previsioned for DynamoDB table for each week in advance.
How should the administrator accomplish this task?

Question14: What are the two types of licensing options available for using Amazon RDS for Oracle?

Question15: Does Route 53 support MX Records?

Question16: Your application uses CloudFormation to orchestrate your application's resources. During your testing phase before application went live, your Amazon RDS instance type was changed and caused the instance to be re-created, resulting in the loss of test data.
How should you prevent this from occurring in the future?

Question17: When attached to an Amazon VPC which two components provide connectivity with external networks?
Choose 2 answers

Question18: Is it possible to access your EBS snapshots?

Question19: A __________ is the concept of allowing (or disallowing) an entity such as a user, group, or role some type of access to one or more resources.

Question20: A user is receiving a notification from the RDS DB whenever there is a change in the DB security group. The user does not want to receive these notifications for only a month. Thus, he does not want to delete the notification. How can the user configure this?

Question21: What happens when you create a topic on Amazon SNS?

Question22: A clinical trial will rely on medical sensors to remotely assess patient health. Each physician who participates in the trial requires visual reports each morning. The reports are built from aggregations of all the sensor data taken each minute.
What is the most cost-effective solution for creating this visualization each day?

Question23: A customer wants to track access to their Amazon Simple Storage Service (S3) buckets and also use this information for their internal security and access audits. Which of the following will meet the Customer requirement?

Question24: A system needs to collect on-premises application spools files into a persistent storage layer in AWS. Each spool file is 2 KB. The application generates 1 M files per hour. Each source file is automatically deleted from the local server after one hour. What is the most cost-efficient option to meet these requirements?

Question25: A us-based company is expanding their web presence into Europe. The company wants to extend their AWS infrastructure from Northern Virginia (us-east-1) into the Dublin (eu-west-1) region. Which of the following options would enable an equivalent experience for users on both continents?

Question26: A new algorithm has been written in Python to identify SPAM e-mails. The algorithm analyzes the free text contained within a sample set of 1 million e-mails stored on Amazon S3. The algorithm must be scaled across a production of 5 PB, which also resides in Amazon S3 storage Which AWS service strategy is best for this use case?

Question27: When an EC2 instance that is backed by an s3-based AMI is terminated. What happens to the data on the root volume?

Question28: An administrator tries to use the Amazon Machine Learning service to classify social media posts that mention the administrator's company into posts that requires a response and posts that do not. The training dataset of
10,000 posts contains the details of each post including the timestamp, author, and full text of the post. The administrator is missing the target labels that are required for training.
Which Amazon Machine Learning model is the most appropriate for the task?

Question29: A company is centralizing a large number of unencrypted small files rom multiple Amazon S3 buckets. The company needs to verify that the files contain the same data after centralization.
Which method meets the requirements?

Question30: You are deploying an application to track GPS coordinates of delivery in the United States. Coordinates are transmitted from each delivery truck once every three seconds. You need to design an architecture that will enable realtime processing of these coordinates from multiple consumers. Which service should you use to implement data ingestion?

Question31: A user plans to use RDS as a managed DB platform. Which of the below mentioned features is not supported by RDS?

Question32: A city has been collecting data on its public bicycle share program for the past three years. The SPB dataset currently on Amazon S3. The data contains the following data points:
* Bicycle organization points
* Bicycle destination points
* Mileage between the points
* Number of bicycle slots available at the station (which is variable based on the station location)
* Number of slots available and taken at each station at a given time
The program has received additional funds to increase the number of bicycle stations, available. All data is regularly archived to Amazon Glacier.
The new bicycle station must be located to provide the most riders access to bicycles. How should this task be performed?

Question33: If your DB instance runs out of storage space or file system resources, its status will change to_____ and your DB Instance will no longer be available.

Question34: A company receives data sets coming from external providers on Amazon S3. Data sets from different providers are dependent on one another. Data sets will drive at different and is no particular order.
A data architect needs to design a solution that enables the company to do the following:
* Rapidly perform cross data set analysis as soon as the data becomes available
* Manage dependencies between data sets that arrives at different times Which architecture strategy offers a scalable and cost-effective solution that meets these requirements?

Question35: A user has launched an EC2 instance and deployed a production application in it. The user wants to prohibit any mistakes from the production team to avoid accidental termination. How can the user achieve this?

Question36: An online photo album app has a key design feature to support multiple screens (e.g, desktop, mobile phone, and tablet) with high-quality displays. Multiple versions of the image must be saved in different resolutions and layouts.
The image-processing Java program takes an average of five seconds per upload, depending on the image size and format. Each image upload captures the following image metadata: user, album, photo label, upload timestamp.
The app should support the following requirements:
Hundreds of user image uploads per second
Maximum image upload size of 10 MB
Maximum image metadata size of 1 KB
Image displayed in optimized resolution in all supported screens no later than one minute after image upload Which strategy should be used to meet these requirements?

Question37: An organization needs to design and deploy a large-scale data storage solution that will be highly durable and highly flexible with respect to the type and structure of data being stored. The data to be stored will be sent or generated from a variety of sources and must be persistently available for access and processing by multiple applications.
What is the most cost-effective technique to meet these requirements?

Question38: An organization needs to store sensitive information on Amazon S3 and process it through Amazon EMR.
Data must be encrypted on Amazon S3 and Amazon EMR at rest and in transit. Using Thrift Server, the Data Analysis team users HIVE to interact with this data. The organization would like to grant access to only specific databases and tables, giving permission only to the SELECT statement.
Which solution will protect the data and limit user access to the SELECT statement on a specific portion of data?

Question39: A company that provides economics data dashboards needs to be able to develop software to display rich, interactive, data-driven graphics that run in web browsers and leverages the full stack of web standards (HTML, SVG and CSS).
Which technology provides the most appropriate for this requirement?

Question40: REST or Query requests are HTTP or HTTPS requests that use an HTTP verb (such as GET or POST) and a parameter named Action or Operation that specifies the API you are calling.

Question41: Which Amazon storage do you think is the best for my database-style applications that frequently encounter many random reads and writes across the dataset?

Question42: What is one key difference between an Amazon EBS-backed and an instance-store backed instance?

Question43: Do the system resources on the Micro instance meet the recommended configuration for Oracle?

Question44: What is the name of licensing model in which I can use your existing Oracle Database licenses to run Oracle deployments on Amazon RDS?

Question45: A data engineer wants to use an Amazon Elastic Map Reduce for an application. The Data engineer needs to make sure it complies with regulatory requirements. The auditor must be able to confirm at any point which servers are running and which network access controls are deployed.
Which action should the data engineer take to meet this requirement?

Question46: Your customers located around the globe require low-latency access to private video files. Which configuration meets these requirements?

Question47: What does Amazon EBS stand for?

Question48: You have launched an Amazon Elastic Compute Cloud (EC2) instance into a public subnet with a primary private IP address assigned, an internet gateway is attached to the VPC, and the public route table is configured to send all internet-based internet. Why is the internet unreachable from this instance?

Question49: The Amazon EC2 web service can be accessed using the _____ web services messaging protocol. This interface is described by a Web Services Description Language (WSDL) document.

Question50: The Marketing Director in your company asked you to create a mobile app that lets users post sightings of good deeds known as random acts of kindness in 80-character summaries. You decided to write the application in JavaScript so that it would run on the broadest range of phones, browsers, and tablets. Your application should provide access to Amazon DynamoDB to store the good deed summaries. Initial testing of a prototype shows that there aren't large spikes in usage. Which option provides the most cost-effective and scalable architecture for this application?

Question51: What is web identity federation?

Question52: After an Amazon VPC instance is launched, can I change the VPC security groups it belongs to?

Question53: A user has launched an EC2 instance from an instance store backed AMI. The infrastructure team wants to create an AMI from the running instance. Which of the below mentioned steps will not be performed while creating the AMI?

Question54: An existing application stores sensitive information on a non-boot Amazon EBS data volume attached to an Amazon Elastic Compute Cloud instance. Which of the following approaches would protect the sensitive data on an Amazon EBS volume?

Question55: A customer is collecting clickstream data using Amazon kinesis and is grouping the events by IP address into
5-minute chunks stored in Amazon S3.
Many analysts in the company use Hive on Amazon EMR to analyze this data. Their queries always reference a single IP address. Data must be optimized for querying based on UP address using Hive running on Amazon EMR. What is the most efficient method to query the data with Hive?

Question56: You are deploying an application to collect votes for a very popular television show. Millions of users will submit votes using mobile devices. The votes must be collected into a durable, scalable, and highly available data store for real-time public tabulation. Which service should you use?

Question57: Your Devops team is responsible for a multi-tier, Windows-based web application consisting of web servers, Amazon RDS database instances, and a load balancer behind Amazon Route53. You have been asked by your manager to build a cost-effective rolling deployment solution for this web application.
What method should you use?

Question58: A company that manufactures and sells smart air conditioning units also offers add-on services so that customers can see real-time dashboards in a mobile application or a web browser. Each unit sends its sensor information in JSON format every two seconds for processing and analysis. The company also needs to consume this data to predict possible equipment problems before they occur. A few thousand pre-purchased units will be delivered in the next couple of months. The company expects high market growth in the next year and needs to handle a massive amount of data and scale interruption.
Which ingestion solution should the company use?

Question59: A photo sharing service stores pictures in Amazon Simple Storage Service (S3) and allows application signin using an Open ID Connect compatible identity provider. Which AWS Security Token approach to temporary access should you use for the Amazon S3 operations?

Question60: A sys admin is planning to subscribe to the RDS event notifications. For which of the below mentioned source categories the subscription cannot be configured?

Question61: An organization uses a custom map reduce application to build monthly reports based on many small data files in an Amazon S3 bucket. The data is submitted from various business units on a frequent but unpredictable schedule. As the dataset continues to grow, it becomes increasingly difficult to process all of the data in one day. The organization has scaled up its Amazon EMR cluster, but other optimizations could improve performance.
The organization needs to improve performance minimal changes to existing processes and applications.
What action should the organization take?

Question62: What does the "Server Side Encryption" option on Amazon S3 provide?

Question63: A company is running a batch analysis every hour on their main transactional DB running on an RDS MySQL instance to populate their central Data Warehouse running on Redshift. During the execution of the batch their transactional applications are very slow. When the batch completes they need to update the top management dashboard with the new data. The dashboard is produced by another system running on-premises that is currently started when a manually-sent email notifies that an update is required The on-premises system cannot be modified because is managed by another team. How would you optimize this scenario to solve performance issues and automate the process as much as possible?

Question64: Select the correct set of steps for exposing the snapshot only to specific AWS accounts

Question65: A company has reproducible data that they want to store on Amazon Web Services. The company may want to retrieve the data on a frequent basis. Which Amazon web services storage option allows the customer to optimize storage costs and still achieve high availability for their data?

Question66: A solutions architect for a logistics organization ships packages from thousands of suppliers to end customers.
The architect is building a platform where suppliers can view the status of one or more of their shipments.
Each supplier can have multiple roles that will only allow access to specific fields in the resulting information.
Which strategy allows the appropriate level of access control and requires the LEAST amount of management work?

Question67: An organization is setting up a data catalog and metadata management environment for their numerous data stores currently running on AWS. The data catalog will be used to determine the structure and other attributes of data in the data stores. The data stores are composed of Amazon RDS databases, Amazon Redshift, and CSV files residing on Amazon S3. The catalog should be populated on a scheduled basis, and minimal administration is required to manage the catalog.
How can this be accomplished?

Question68: An online gaming company uses DynamoDB to store user activity logs and is experiencing throttled writes on the company's DynamoDB tables. The company is NOT consuming close to the provisioned capacity. The table contains a large number of items and is partitioned on user and sorted by date. The table is 200GB and is currently provisioned at 10K WCU and 20K RCU.
Which two additional pieces of information are required to determine the cause of the throttling? (Select Two.)

Question69: Is creating a Read Replica of another Read Replica supported?

Question70: Which data store should the organization choose?

Question71: You run a small online consignment marketplace. Interested sellers complete an online application in order to allow them to sell their products on your website. Once approved, they can their product using a custom interface. From that point, you manage the shopping cart process so that when a buyer decides to buy a product, you handle the billing and coordination the shipping. Part of this process requires sending emails to the buyer and the seller at different stages. Your system has been running on AWS for a few months.
Occasionally, products are shipped before payment has cleared and emails are sent out of order. Furthermore, sometimes credit cards are being charged twice.
How can you resolve these problems?

Question72: A user has deployed an application on his private cloud. The user is using his own monitoring tool. He wants to configure that whenever there is an error, the monitoring tool should notify him via SMS. Which of the below mentioned AWS services will help in this scenario?

Question73: Does Dynamic DB support in-place atomic updates?

Question74: Using only AWS services. You intend to automatically scale a fleet of stateless of stateless web servers based on CPU and network utilization metrics. Which of the following services are needed? Choose 2 answers

Question75: An administrator is processing events in near real-time using Kinesis streams and Lambda. Lambda intermittently fails to process batches from one of the shards due to a 5 -minute time limit. What is a possible solution for this problem?

Question76: You need to design a VPC for a web-application consisting of an Elastic Load Balancer (ELB). A fleet of web/application servers, and an RDS database The Entire Infrastructure must be distributed over 2 availability zones.
Which VPC configuration works while assuring the database is not available from the Internet?

Question77: Is there a method in the IAM system to allow or deny access to a specific instance?

Question78: The operations team and the development team want a single place to view both operating system and application logs.
How should you implement this using AWS services? Choose two answers

Question79: You need to configure an Amazon S3 bucket to serve static assets for your public-facing web application.
Which methods ensure that all objects uploaded to the bucket are set to public read? Choose 2 answers

Question80: A user is planning to use the AWS RDS with MySQL. Which of the below mentioned services the user is not going to pay?

Question81: Which of the following instance types are available as Amazon EBS backend only?

Question82: A user is planning to setup notifications on the RDS DB for a snapshot. Which of the below mentioned event categories is not supported by RDS for this snapshot source type?

Question83: In the Amazon CloudWatch, which metric should I be checking to ensure that your DB Instance has enough free storage space?

Question84: A company's social media manager requests more staff on the weekends to handle an increase in customer contacts from a particular region. The company needs a report to visualize the trends on weekends over the past 6 months using QuickSight.
How should the data be represented?

Question85: A medical record filing system for a government medical fund is using an Amazon S3 bucket to archive documents related to patients. Every patient visit to a physician creates a new file, which can add up to millions of files each month. Collection of these files from each physician is handled via a batch process that runs every night using AWS Data Pipeline. This is sensitive data, so the data and any associated metadata must be encrypted at rest.
Auditors review some files on a quarterly basis to see whether the records are maintained according to regulations. Auditors must be able to locate any physical file in the S3 bucket or a given data, patient, or physician. Auditors spend a signification amount of time locating such files.
What is the most cost-and time-efficient collection methodology in this situation?

Question86: HTTP Query-based requests are HTTP requests that use the HTTP verb GET or POST and a Query parameter named_____________.

Question87: What happens to the I/O operations while you take a database snapshot?

Question88: A Redshift data warehouse has different user teams that need to query the same table with very different query types. These user teams are experiencing poor performance. Which action improves performance for the user teams in this situation?