An AWS Lambda function must access an external site by using a regularly rotated user name and password.
These items must be kept securely and cannot be stored in the function code.
What combination of AWS services can be used to accomplish this? (Choose two.)

• A.AWS Certificate Manager (ACM)
• B.AWS Systems Manager Parameter Store
• C.AWS Trusted Advisor
• D.AWS KMS
• E.Amazon GuardDuty

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A developer is building a new application that uses an Amazon DynamoDB table. The specification states that all items that are older than 48 hours must be removed Which solution will meet this requirement?

• A.Create a new attribute that has the String data type Add a local secondary index (LSI) for this attribute and enable TTL with an expiration of 48 hours In the application code, set the value of this attribute to the current timestamp for each new item that is being inserted.
• B.Create a new attribute that has the Number data type Add a local secondary index (LSI) for this attribute and enable TTL with an expiration of 48 hours In the application code, set the value of this attribute to the current timestamp for each new item that is being inserted.
• C.Create a new attribute that has the Number data type Enable TTL on the DynamoDB table for this attribute in the application code set the value of this attribute to the current timestamp plus 48 hours for each new item that is being inserted
• D.Create a new attribute that has the String data type Enable TTL on the DynamoDB table for this attribute In the application code set the value of this attribute to the current timestamp plus 48 hours for each new item that is being inserted

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A developer is leveraging a Border Gateway Protocol (BGP)-based AWS VPN connection to connect from on-premises to Amazon EC2 instances in the developer's account The developer is able to access an EC2 instance in subnet A, but is unable to access an EC2 instance in subnet B in the same VPC
Which logs can the developer use to verify whether the traffic is reaching subnet B?

• A.BGP logs
• B.VPC Flow Logs
• C.AWS CloudTrail logs
• D.VPN logs

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How can software determine the public and private IP addresses of the Amazon EC2 instance that it is running on?

• A.Query the local instance userdata.
• B.Query the local instance metadata.
• C.Query the appropriate Amazon CloudWatch metric.
• D.Use ipconfig or ifconfig command.

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A web application is designed to allow new users to create accounts using their email addresses. The application will store attributes for each user, and is expecting millions of user to sign up.
What should the Developer implement to achieve the design goals?

• A.AWS Mobile Hub cloud logic
• B.Amazon Cognito user pools
• C.Amazon Cognito Sync
• D.AWS Mobile Hub user data storage

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