1. A Developer writes an AWS Lambda function and uploads the code in a .ZIP file to Amazon S3. The Developer makes changes to the code and uploads a new .ZIP file to Amazon S3. However, Lambda executes the earlier code. How can the Developer fix this in the LEAST disruptive way?(Select 2answers)

A) Call the
B) Remove the earlier .ZIP file first, then add the new .ZIP file.
C) Create another Lambda function and specify the new .ZIP file.
D) Call the



2. A supplier is writing a new RESTful API for customers to query the status of orders. The customers requested the following API endpoint. http://www.supplierdomain.com/status/customerID Which of the following application designs meet the requirements? (Select two.)

A) Amazon API Gateway; AWS Lambda
B) Amazon SQS; Amazon SNS
C) Amazon ElastiCache; Amazon Elacticsearch Service
D) Elastic Load Balancing; Amazon EC2
E) Amazon S3; Amazon CloudFront


3. A Developer must analyze performance issues with production-distributed applications written as AWS Lambda functions. These distributed Lambda applications invoke other components that make up the applications. How should the Developer identify and troubleshoot the root cause of the performance issues in production?

A) Use AWS X-Ray, then examine the segments and errors
B) Run Amazon Inspector agents and then analyze performance
C) Use AWS Cloud Trail and then examine the logs
D) Add logging statements to the Lambda functions, then use Amazon CloudWatch to view the logs.



4. 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) Use Amazon RDS as a custom origin for Amazon CloudFront.
B) Use local storage and memory on Amazon EC2 instances to cache data.
C) Use Amazon S3 to cache database query results.
D) Use Amazon ElastiCache in front of the primary database to cache data.



5. An application running on Amazon EC2 instances must access objects within an Amaon S3 busket that are encrypted using server-side encryption using AWS KMS encryption keys (SSE-KMS). The application must have access to the customer master key (CMK) to decrypt the objects. Which combination of steps will grant the application access? (Select TWO.)

A) Write a key policy that enables IAM policies to grant access to the key.
B) Create a Systems Manager parameter that exposes the KMS key to the EC2 instances.
C) Grant access to the key in the IAM EC2 role attached to the application's EC2 instances.
D) Grant access to the key in the S3 bucket's ACL
E) Write an S3 bucket policy that grants the bucket access to the key.