AWS Certified Developer Associate Exam Practice Questions Part 6

Which of the following option would you expect to see in the body of a SNS notification

Your application utilizes Amazon S3 reduced redundancy storage, and you have configured the s3:ReducedRedundancyLostObject notification on your Amazon S3 Bucket. What services might he use to create a “distributed” platform that replaces lost RRS objects on Amazon S3 automatically?

A user has just set up a push notification service to send a message to an application installed on his device with the Apple Push Notification Service. It seems to work well. The user now want to send a message to an application installed on devices for multiple platforms, those being the Apple Push Notification Service and Google Cloud Messaging for Android. What does he need to do first for this to be successful?

Which of the below request headers, when specified in an API call, would cause an object to be SSE?

Amazon SNS offers support for delivery of message attributes to Amazon SQS endpoints, and each message attribute contains of the following items: Name, Value, and Type. Which of the following option is TRUE, regarding message attributes?

Which of the following option is true if long polling is enabled?

What is Amazon SQS max message size?

Company A is utilizing Amazon SQS to decouple their systems for scalability. However, they want to send messages up to 456Kb in size. What might Company A do in order to send more than 256KB of data? Select the correct answer from the options below

Company C offers an online image recognition service and utilizes SQS to decouple system components for scalability. The SQS consumers poll the imaging queue as often as possible to keep end-to-end throughput as great as possible. However, Company C realizes that polling in tight loops is burning CPU cycles and increasing extra costs with empty responses. How can Company C reduce the number of empty responses? Select the correct answer from the options below

Which of the given statements is true about SQS standard queue?

How many messages queue can be created in SQS?

Can anyone configure anonymous access to a queue?

How many requests in SQS are available in the free tier?

In SQS, what is the maximum visibility timeout?

Amazon S3 can use which type of server-side encryption?

SQS is PCI DSS certified

Which of the following is a valid S3 bucket name?

What is the maximum number of S3 buckets by default allowed per AWS account?

You successfully upload an item to the US-STANDARD You then instantly make another API call and attempt to read the object. What will happen?

You have created a mobile app that relies on reading data from DynamoDB. How could you give each mobile device permissions to read from DynamoDB? Select an answer from the options below

Ahmed defines the following S3 bucket policy to grant users access to his bucket, but the bucket policy editor will not allow him to submit it. Why is this policy not working?

{

“Id”: “Policy1441839160967”,

“Version”: “2012-10-17”,

“Statement”: [

{

“Sid”: “Stmt1441839157568”,

“Action”: [

“s3:ListBucket”

],

“Effect”: “Allow”,

“Resource”: “arn:AWS:s3:::demo.testbucket.2 “

}

]

}

Which DynamoDB API call doesn’t consume capacity units?

As a developer retrieve information from DynamoDB, he receives this error: “ProvisionedThroughputExceededException”, but upon investigation, he notices that he is not beyond his table read capacity throughput. What is causing this error?

One DynamoDB read capacity unit represents one strongly consistent read per second, for an item up to 4 KB in size.

Which of the following statement is not true about Simple workflow?

You have saved items that are 6KB in size, and you want to have 100 strongly consistent reads per second. How many read capacity units do you need to provision?

S3 does not usually handle error codes with HTTP responses.

One unit of read capacity is —- in size?

S3 object is stored lexicographically, by introducing “randomness” to your S3 names, it helps S3 storage distribute the I/O load through more than one partition. Below are given the examples, how could a user add a hashed prefix to the naming convention to increase I/O performance?

The only SNS notification event supported by S3 is S3:ReducedRedundancyLostObject.

What is the maximum size of a Simple storage service object?

Which of the below is a default limit in S3?

Which API call would anyone use to query an item by its primary key?

A user attempted to make a new S3 bucket “Demo-Bucket-1234-US-East-2-Production Environment-12.25.14” in the US-EAST-2 region but the bucket creation failed. Why?

When utilizing the Ref function in CloudFormation, what do we get back if we pass in the logical ID of an AWS::EC2::Instance object?

1. You created an Elastic Load Balancer with Duration-Based sticky sessions allowed in front of your six EC2 web application instances in US-West-2. For High Availability, there are 3 web app instances in Availability Zone 1 and three web application instances in Availability Zone 2. To load test, you set up a software-based load tester in Availability Zone 2 to send traffic to the ELB, as well as letting several hundred users browse to the ELB’s hostname. After a while, you notice that the users’ sessions are spread evenly across the EC2 instances in both Availability zone, but the software-based load tester’s traffic is hitting only the instances in Availability Zone 2. What steps can he take to resolve this problem?

Choose the 2 correct answers from the options below

One of your client runs an ad-supported image sharing website using S3 to serve images to visitors of his site. At some point he finds out that other sites have been linking to the image on his site, causing loss to his business. What is an in effect method to mitigate this?

Which of the following is not subject to eventual consistency?

What is the default visibility timeout for SQS queue in seconds?

Which of the following bucket names are invalid? Select any two

Your supervisor called you wanting to know why she has not been receiving email notifications for AWS billing alerts. What do you suspect the problem might be and how can you find out? Choose 3 answers from the options below

You want to figure out what AMIs are available for you to use in a given region. Which API call is most appropriate? Choose an answer from the options below

Which of the following statements about DynamoDb is true?

Which of the below statements is true about DynamoDB?

What is the by default limit for CloudFormation templates per region?

You have an EC2 instance installed with an IAM role with write access permissions to an SQS queue. The instance is attempting to write a 512 KB message to an SQS queue. What will the result of this attempt be?

You receive a call from a potential customer who explains that one of the many services they offer a website running on a t2.micro EC2 instance where consumers can submit requests for customized e-cards to be sent to their friends and family. The e-card website administrator was on a cruise and was shocked when he returned to the office in mid-January to find hundreds of angry emails complaining that customers’ loved ones had not received their Christmas cards. He also had many emails from CloudWatch alerting him that the SQS queue for the e-card application had grown to over five hundred messages on December You investigate and find the problem was caused by a crashed EC2 instance which serves as an application server. What do you advise your customer to do first?

Which of the below can be increased by contacting AWS? Select any two

The “company” table has a primary key of “id.” Using DynamoDB, you are able to query the data based on the id primary key. Now you want the ability to query the forums table by userId. What would you add to the table for the period of table creation time?

2.181.56 is valid S3 bucket name. choose the correct answer from the following