Infosys Certified AWS Developer Associate

A Developer needs to design an application running on AWS that will be used to consume Amazon SQS messages that range from 1 KB up to 1GB in size. How should the Amazon SQS messages be managed?

A company has a multi-tiered web application on AWS. During a recent spike in traffic, one of the primary relational databases on Amazon RDS could not serve all the traffic. Some read queries for repeatedly accessed items failed, so users received error messages. What can be done to minimize the impact on database read queries MOST efficiently during future traffic spikes?

A website's page load times are gradually increasing as more users access the system at the same time. Analysis indicates that a user profile is being loaded from a database in all the web pages being visited by each user and this is increasing the database load and the page load latency. To address this issue the Developer decides to cache the user profile data. Which caching strategy will address this situation MOST efficiently?

A company is using AWS Code Pipeline to deliver one of its applications. The delivery pipeline is triggered by changes to the master branch of an AWS Code Commit repository and uses AWS Code Build to implement the test and build stages of the process and AWS Code Deploy to deploy the application. The pipeline has been operating successfully for several months and there have been no modifications. Following a recent change to the application's source code, AWS Code Deploy has not deployed the updates application as expected. What are the possible causes? (Choose two.)

Sujit has setup an Amazon Kinesis Stream with 4 shards to ingest a maximum of 2500 records per second. A Lambda function has been configured to process these records. In which order will these records be processed?

An application uses Amazon Kinesis Data Streams to ingest and process large streams of data records in real time. Amazon EC2 instances consume and process the data from the shards of the Kinesis data stream by using Amazon Kinesis Client Library (KCL). The application handles the failure scenarios and does not require standby workers. The application reports that a specific shard is receiving more data than expected. To adapt to the changes in the rate of data flow, the "hot" shard is resharded.
Assuming that the initial number of shards in the Kinesis data stream is 4, and after resharding the number of shards increased to 6, what is the maximum number of EC2 instances that can be deployed to process data from all the shards?

An AWS Lambda function must read data from an Amazon RDS MySQL database in a VPC and reach a public endpoint over the internet to get additional data. Which steps must be taken to allow the function to access both the RDS resource and the public endpoint? (Select TWO.)

Steve wants to encrypt new objects that are being uploaded to an Amazon S3 bucket by an application. There must be an audit trail of who has used the key during this process. There should be no change to the performance of the application. Which type of encryption meets the stated requirements?

A Startup team consists of 30 team members. Like a home directory for each team member the manager wants to grant access to user-specific folders in an Amazon S3 bucket. For the team member with the username "TeamMemberX", the snippet of the IAM policy looks like this:

{"Sid": "AllowS3ActionToFolder","Effect":"Allow","Action": 
["S3:*"],"Resource":
["arn:aws:s3:::companyname/home/TeamMemberX/*"]}

Instead of creating distinct policies for each team member, what approach can be used to make this policy snippet generic for all team members?

Which AWS service provides a secure hybrid storage service that enables on-premises applications to seamlessly use cloud storage?