EMT Practice Test

1. Question Content...

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Question1: By default what are ENIs that are automatically created and attached to instances using the EC2 console set to do when the attached instance terminates?

Question2: Is there a limit to the number of groups you can have?

Question3: You have an ASP.NET web application running in Amazon Elastic BeanStalk. Your next version of the application requires a third-party Windows installer package to be installed on the instance on first boot and before the application launches.
Which options are possible? Choose 2 answer

Question4: Your social media marketing application has a component written in Ruby running on AWS Elastic BeanStalk. This application component posts messages to social media sites in support of various marketing campaigns. Your management now requires you to record replies to these social media messages to analyze the effectiveness of the marketing campaign in comparison to past and future efforts. You have already developed a new application component to interface with the social media site APIs in order to read the replies.
Which process should you use to record the social media replies in a durable data store that can be accessed at any time for analysis of historical data?

Question5: 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?

Question6: What is the maximum response time for a Business level Premium Support case?

Question7: 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

Question8: A user is planning to use the AWS RDS with MySQL. Which of the below mentioned services the user is not going to pay?

Question9: You run a web application with the following components Elastic Load Balancer (ELB), 3 Web/Application servers, 1 MySQL RDS database with read replicas, and Amazon Simple Storage Service (Amazon S3) for static content. Average response time for users is increasing slowly. What three CloudWatch RDS metrics will allow you to identify if the database is the bottleneck? Choose 3 answers

Question10: An online retailer is using Amazon DynamoDB to store data relate to customer transactions. The items in the table contain several string attributes describing the transaction as well as a JSON attribute containing the shopping cart and other details corresponding to the transactions. Average item size is ~250KB, most of which is associated with the JSON attribute. The average generates ~3GB of data per month.
Customers access the table to display their transaction history and review transaction details as needed. Ninety percent of queries against the table are executed when building the transaction history view, with the other
10% retrieving transaction details. The table is partitioned on CustomerID and sorted on transaction data.
The client has very high read capacity provisioned for the table and experiences very even utilization, but complains about the cost of Amazon DynamoDB compared to other NoSQL solutions.
Which strategy will reduce the cost associated with the client's read queries while not degrading quality?

Question11: Without _____, you must either create multiple AWS accounts-each with its own billing and subscriptions to AWS products-or your employees must share the security credentials of a single AWS account.

Question12: What does Amazon EBS stand for?

Question13: A user is running one instance for only 3 hours every day. The user wants to save some cost with the instance.
Which of the below mentioned Reserved Instance categories is advised in this case?

Question14: Are you able to integrate a multi-factor token service with the AWS Platform?

Question15: A gas company needs to monitor gas pressure in their pipelines. Pressure data is streamed from sensors placed throughout the pipelines to monitor the data in real time. When an anomaly is detected, the system must send a notification to open valve. An Amazon Kinesis stream collects the data from the sensors and an anomaly Kinesis stream triggers an AWS Lambda function to open the appropriate valve.
Which solution is the MOST cost-effective for responding to anomalies in real time?

Question16: You want to securely distribute credentials for your Amazon RDS instance to your fleet of web server instances. The credentials are stored in a file that is controlled by a configuration management system.
How do you securely deploy the credentials in an automated manner across the fleet of web server instances, which can number in the hundreds, while retaining the ability to roll back if needed?

Question17: 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?

Question18: A web-hosting company is building a web analytics tools to capture clickstream data from all of the websites hosted within its platform and to provide near-real-time business intelligence. This entire system is built on AWS services. The web-hosting company is interested in using Amazon kinesis to collect this data and perform sliding window analytics. What is the most reliable and fault-tolerant technique to get each website to send data to Amazon Kinesis with every click?

Question19: When an EC2 instance that is backed by an s3-based AMI is terminated. What happens to the data on the root volume?

Question20: You can use _____ and _____ to help secure the instances in your VPC.