AWS DVA-C00 Certified Developer Associate Practice Exam Set 3

Your development team has created a set of AWS lambda helper functions that would be deployed in various AWS accounts. You need to automate the deployment of these Lambda functions. Which of the following can be used to automate the deployment?


Options are :

  • AWS Ops work
  • AWS ECS
  • AWS Elastic Beanstalk
  • AWS Cloud formation (Correct)

Answer : AWS Cloud formation

AWS BDS-C00 Certified Big Data Speciality Practice Test Set 4

You are an API developer that has been hired to work in a company. You have been asked to use the AWS services for development and deployment via the API gateway. You need to control the behavior of the API?s frontend interaction. Which of the following could be done to achieve this?


Options are :

  • Modify the configuration of the Integration request
  • Modify the configuration of the Method response (Correct)
  • Modify the configuration of the Method request . (Correct)
  • Modify the configuration of the Integration response

Answer : Modify the configuration of the Method response Modify the configuration of the Method request .

An application has been making use of AWS Dynamo DB for its back-end data store, The size of the table has now grown to 20 GB , and the scans on the table are causing throttling errors. Which of the following should now be implemented to avoid such errors?


Options are :

  • Large Page size
  • Reduced page size
  • Parallel Scans (Correct)
  • Sequential scans

Answer : Parallel Scans

You are developing an application that will interact with a Dynamo DB table. The table is going to take in a lot of read and write operations. Which of the following would be the Ideal partition key for the Dynamo DB table to ensure Ideal performance?


Options are :

  • Customer Name
  • Customer ID (Correct)
  • Location
  • Age

Answer : Customer ID

AWS Devops Engineer Professional Certified Practice Exam Set 3

Your architect has drawn out the details for a mobile based application. Below are the key requirements when it comes to authentication Users should have the ability to signin using external identities such as Face book or Google. There should be a facility to manage user profiles Which of the following would you consider as part of the development process for the application?


Options are :

  • Consider building the logic into the application
  • Consider using PAM Roles which can be mapped to the individual users
  • Consider using User pools in AWS Cognito (Correct)
  • Consider using SA,iL federation identities

Answer : Consider using User pools in AWS Cognito

You?ve been asked to develop an application on the AWS Cloud. The application will be used to store confidential documents In an S3 bucket, You need to ensure that the bucket is defined in such a way that it does not accept objects that are not encrypted?


Options are :

  • Enable CORS for the underlying bucket
  • Enable MFA for the underlying bucket
  • Ensure a condition is set in the bucket policy. (Correct)
  • Ensure that a condition Is set In an lAM policy.

Answer : Ensure a condition is set in the bucket policy.

You?re developing an application that will be hosted on an EC2 Instance. This will be part of an Auto scaling Group. The application needs to get the private IP of the instance so that It can send it across to a controller- based application. Which of the following can be done to achieve this?


Options are :

  • Have an Admin get the IP address from the console
  • Make the application run lF Config
  • Query the Instance User Data
  • Query the Instance Meta Data (Correct)

Answer : Query the Instance Meta Data

AWS SOA-C00 Certified Sys Ops Administrator Associate Exam Set 6

You?re developing an application onto AWS which is based on the Micro services. These Micro services will be created based on AWS Lambda functions. Because of the complexity of the flow of these different components, you need some way to manage the workflow of execution of these various Lambda functions. How could you manage this effectively now and for future addition of Lambda functions to the application?


Options are :

  • Consider creating a master Lambda function which would coordinate the execution of the other Lambda functions.
  • Consider using Step Functions to coordinate the execution of the other Lambda functions (Correct)
  • Consider creating a separate application hosted on an EC2 Instance which would coordinate the executor of the other Lambda functions
  • Consider using SQS queues to coordinate the execution of the other Lambda functions

Answer : Consider using Step Functions to coordinate the execution of the other Lambda functions

A static web site has been hosted on a bucket and is now being accessed by users. One of the web pages java script section has been changed to access data which is hosted in another S3 bucket. Now that same web page Is no longer loading in the browser. Which of the following can help alleviate the error?


Options are :

  • Enable versioning for the underlying S3 bucket
  • Enable Replication so that the objects get replicated to the other bucket
  • Enable CORS for the bucket (Correct)
  • Change the Bucket policy for the bucket to allow access from the other bucket

Answer : Enable CORS for the bucket

You?ve developed a set of scripts using AWS Lambda. These scripts need to access EC2 Instances in a VPC. Which of the following needs to be done to ensure that the AWS Lambda function can access the resources in the VPC. Choose 2 answers from the options given below ?


Options are :

  • Ensure that the VPC Flow Log ID?s are mentioned when configuring the Lambda function.
  • Ensure that the subnet ID?s are mentioned when configuring the Lambda function (Correct)
  • Ensure that the Security Group ID?s are mentioned when configuring the Lambda function (Correct)
  • Ensure that the NACL ID?s are mentioned when configuring the Lambda function

Answer : Ensure that the subnet ID?s are mentioned when configuring the Lambda function Ensure that the Security Group ID?s are mentioned when configuring the Lambda function

Certification : Get AWS Certified Solutions Architect in 1 Day (2018 Update) Set 18

A developer is using Amazon API Gateway as an HTTP proxy to a backend endpoint. There are three separate environments: Development. Testing, Production and three corresponding stages in the API gateway. How should traffic be directed to different backend endpoints for each of these stages without creating a separate API for each?


Options are :

  • Use stage variables and configure the stage variables in the HTTP integration Request of the API (Correct)
  • Update the Integration Response of the API to add different backend endpoints.
  • Use API Custom Authorizers to create an authorizer for each of the different stages
  • Add a model to the API and add a schema to differentiate different backend endpoints.

Answer : Use stage variables and configure the stage variables in the HTTP integration Request of the API

Your team has been instructed to develop a completely new solution onto AWS. Currently you have a limitation on the tools available to manage the complete lifecycle of the project Which of the following service from AWS could help you In this aspect ?


Options are :

  • AWS Code Build
  • AWS Code Pipeline
  • AWS Code Star (Correct)
  • AWS Code Commit

Answer : AWS Code Star

A Developer is building an application that needs access to an 53 bucket. An lAM role is created with the required permissions to access the 53 bucket. Which API call should the Developer use in the application so that the code can access to the S3 bucket?


Options are :

  • STS: Get Session Token
  • STS :Assume Role (Correct)
  • IAM: Get Role Access
  • lAM: Access Role

Answer : STS :Assume Role

Mock Exam : AWS Certified Security Specialty

Your team has completed the development of an application and now this needs to be deployed to an application on an EC2 Instance. The Application data will be stored on a separate volume which needs to be encrypted at rest. How can you ensure this requirement Is met? Choose 2 answers from the options given below ?


Options are :

  • Create an EBS Encryption Key
  • Create a Customer master key in the KMS service (Correct)
  • Ensure to use Throughput Optimized HDD to allow for Encryption
  • Ensure that Encryption Is enabled during volume creation time. (Correct)

Answer : Create a Customer master key in the KMS service Ensure that Encryption Is enabled during volume creation time.

You?ve been asked to develop an application on the AWS Cloud. The application will involve picking up videos from users and placing them in an ideal and durable data store. Which of the following would be an ideal data store, ensuring that components are properly decoupled?


Options are :

  • AWS Glacier
  • EBS Volumes
  • AWS Simple Storage Service (Correct)
  • AWS Dynamo DB

Answer : AWS Simple Storage Service

A developer is writing an application that will store data in a Dynamo DB table. The ratio of reads operations to write operations will be 1000 to 1, with the same data being accessed frequently. What should the Developer enable on the Dynamo DB table to optimize performance and minimize costs?


Options are :

  • Amazon Dynamo DB cross-region replication
  • Amazon Dynamo DB Streams
  • Amazon Dynamo Ds Accelerator (Correct)
  • Amazon Dynamo DB auto scaling

Answer : Amazon Dynamo Ds Accelerator

Certification : Get AWS Certified Solutions Architect in 1 Day (2018 Update) Set 1

You?ve developed an application script that needs to be bootstrapped into instances that are launched via an Auto scaling Group. How would you achieve this in the east way possible?


Options are :

  • Place the script in the metadata for the instance
  • Place a scheduled task on the instance that starts as soon as the Instance is launched.
  • Create a Lambda function to install the script
  • Place the script in the User data for the instance (Correct)

Answer : Place the script in the User data for the instance

You are in charge of deploying an application that will be hosted on an EC2 Instance and sit behind an Elastic Load balancer. You have been requested to monitor the incoming connections to the Elastic Load Balancer. Which of the below options can suffice this requirement?


Options are :

  • Use AWS Cloud Trail with your load balancer
  • Enable access logs on the load balancer (Correct)
  • Create a custom metric Cloud Watch filter on your load balancer
  • Use a Cloud Watch Logs Agent

Answer : Enable access logs on the load balancer

An organization deployed their static website on Amazon S3. Now, the Developer has a requirement to dynamic content using a server less solution. Which combination of services should be used to Implement a server less application for the dynamic content? Select 2 answers from the options given below


Options are :

  • Amazon kinesis
  • Amazon EC2
  • AWS ECS
  • Amazon API Gateway
  • AWS Lambda (Correct)

Answer : AWS Lambda

AWS DVA-C00 Certified Developer Associate Practice Exam Set 10

Your company is planning on creating new development environments in AWS. They want to make use of their existing Chef recipes which they use for their on-premise configuration for servers in AWS. Which of the following service would be deal to use in this regard?


Options are :

  • AWS Cloud formation
  • AWS Elastic Beanstalk
  • AWSSQS
  • AWS Ops Work (Correct)

Answer : AWS Ops Work

Your application currently interacts with a Dynamo DB table. Records are inserted into the table via the application. There is now a requirement to ensure that whenever Items are updated In the Dynamo DB primary table, another record is inserted into a secondary table. Which of the below feature should be used when developing such a solution?


Options are :

  • AWS Dynamo DB Accelerator
  • AWS Table Accelerator
  • AWS Dynamo DB Streams (Correct)
  • AWS Dynamo DB Encryption

Answer : AWS Dynamo DB Streams

You?ve been given the requirement to customize the content which is distributed to users via a Cloud front Distribution. The content origin is an S3 bucket. How could you achieve this?


Options are :

  • Add an event to the S3 bucket. Make the event invoke a Lambda function which would customize the content.
  • Consider using Lambda @Edge (Correct)
  • Consider using a separate application on an EC2 instance for this purpose.
  • Add a Step Function. Add a step with a Lambda function just before the content gets delivered to the users.

Answer : Consider using Lambda @Edge

Certification : Get AWS Certified Solutions Architect in 1 Day (2018 Update) Set 2

An organization is using an Amazon Elastic Cache cluster in front of their Amazon RDS instance. The organization would like the Developer to implement logic into the code so that the cluster only retrieves data from RDS when there Is a cache miss. What strategy can the Developer implement to achieve this?


Options are :

  • Error retries
  • Exponential back off
  • Lazy loading (Correct)
  • Write-through

Answer : Lazy loading

You?ve been asked to migrate a static web site onto AWS. You have been told that the solution should be COST effective. Which of the following solutions would you consider?


Options are :

  • Create an EC2 Instance and deploy the web site
  • Deploy the web site using S3 static web site hosting (Correct)
  • Create an Opswork stack and deploy the web site
  • Create an Elastic Beanstalk environment and deploy the web site

Answer : Deploy the web site using S3 static web site hosting

Your application has the requirement to store data in a backend data store. Indexing should be possible on the data, but the data does not perform to any schema. Which of the following would be the ideal data store to choose for this application?


Options are :

  • AWS RDS
  • AWS Red shift
  • AWS Dynamo De (Correct)
  • AWSS3

Answer : AWS Dynamo De

AWS SCS-C01 Certified Security Speciality Practice Exam Set 3

Your developing an application that will be used to inject data from multiple devices. You need to ensure that some preprocessing happens on the data before it can be analyzed by your Analytics based tool. Which of the following can be used to carry out this Intermediate activity?


Options are :

  • Use the API gateway service to pre-process the data
  • Use Step Functions to pre-process the data
  • Use AWS Lambda functions to pre-process the data (Correct)
  • Use Kinesis Fire hose to preprocess the data

Answer : Use AWS Lambda functions to pre-process the data

A Developer has recently deployed an AWS Lambda function that computes a Fibonacci sequence using recursive calls. A pre-defined AWS lAM policy Is being used for this function, and only the required dependencies were packaged. A few days after deployment, the Lambda function Is being throttled. What should the Developer have done to prevent this, according to best practices?


Options are :

  • Increase the memory allocation range.
  • Use more restrictive lAM policies
  • Request a concurrency service limit increase (Correct)
  • Avoid the use of recursion

Answer : Request a concurrency service limit increase

A developer has written an application that will be deployed by a company. The application is used to read and write objects to an S3 bucket. It is expected that the number of reads could exceed 400 requests per second. What should the developer do to ensure that the requests are handled accordingly?


Options are :

  • Enable versioning for the underlying bucket
  • Enable Cross region replication for the bucket
  • Ensure that the application uses a hash prefix when writing the data to the bucket (Correct)
  • Ensure that the application uses a hash suffix when writing the data to the bucket

Answer : Ensure that the application uses a hash prefix when writing the data to the bucket

AWS SCS-C01 Certified Security Speciality Practice Exam Set 3

You are developing an application which will comprise of the following architecture A Set of EC2 Instances which will be processing videos These will be spun up an Auto scaling Group An SQS queue to maintain the processing messages The application also has 2 pricing tiers. You need to ensure that the premium customers videos are give more preference. How can you achieve this?


Options are :

  • Create 2 Elastic Load Balancers, one for normal and one for premium customers
  • Create 2 sets of EC2 Instances, one for normal and one for premium customers
  • Create 2 SQS queues, one for normal and one for premium customers (Correct)
  • Create 2 Auto scaling Groups. one for normal and one for premium customers

Answer : Create 2 SQS queues, one for normal and one for premium customers

Your team has just finished developing a new version of an existing application. This is a web-based application hosted on AWS. Currently Route 53 Is being used to point the compans DNS name to the web site. Your Management has instructed you to deliver the new application to a portion of the users for testing. How can you achieve this?


Options are :

  • Use Route 53 failover Routing policies
  • Port the application onto Ops work by creating a new stack
  • Use Route 53 weighted Routing policies (Correct)
  • Port the application onto Elastic beanstalk and use the Swap URL feature

Answer : Use Route 53 weighted Routing policies

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