Which of the following is the final step that should be completed to start using AWS Direct Connect?

• A.Creating your Virtual Interface
• B.Configuring your router
• C.Completing the Cross Connect
• D.Verifying your Virtual Interface

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Which of the following are characteristics of Amazon VPC subnets? (Choose 2)

• A.Instances in a private subnet can communicate with the Internet only if they have an Elastic IP.
• B.Each subnet maps to a single Availability Zone.
• C.Each subnet spans at least 2 Availability Zones to provide a high-availability environment.
• D.By default, all subnets can route between each other, whether they are private or public.
• E.CIDR block mask of /25 is the smallest range supported.

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An IoT company has rolled out a fleet of sensors for monitoring temperatures in remote locations. Each device connect to AWS IoT Core and sends a message 30 seconds, updating an Amazon DynamoDB table. A System Administrator users AWS IoT to verify the devices are still sending messages to AWS IoT Core: the database is not updating.
What should a Solution Architect check to determine why the database is not being updated?

• A.Verify the AWS IoT Device Shadow service is subscribed to the appropriate topic and is executing the AWS Lambda function.
• B.Verify that AWS IoT things are using MQTT instead of MQTT over WebScocket, then check that the provisioning has the appropriate policy attached.
• C.Check the AWS IoT Fleet indexing service and verify that the thing group has the appropriate IAM role to update DynamoDB.
• D.Verify that AWS IoT monitoring shows that the appropriate AWS IoT rules are being executed, and that the AWS IoT rules are enabled with the correct rule actions.

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A company uses AWS Organizations to manage more than 1.000 AWS accounts. The company has created a new developer organization. There are 540 developer member accounts that must be moved to the new developer organization All accounts are set up with all the required Information so mat each account can be operated as a standalone account Which combination of steps should a solutions architect take to move all of the developer accounts to the new developer organization? (Select THREE )

• A.Sign in to the new developer organization's management account and create a placeholder member account that acts as a target for the developer account migration
• B.Call the MoveAccount operation In the Organizations API from the old organization's management account to migrate the developer accounts to the new developer organization
• C.Have each developer sign in to their account and confirm to join the new developer organization.
• D.Call the InviteAccountToOrganzation operation in the Organizations API from the new developer organization's management account to send invitations to the developer accounts.
• E.From the management account remove each developer account from the old organization using the RemoveAccountFromOrganization operation in the Organizations API
• F.From each developer account, remove the account from the old organization using the RemoveAccounrFromOrganization operation in the Organizations API

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By default, what is the maximum number of Cache Nodes you can run in Amazon ElastiCache?

• A.20
• B.50
• C.100
• D.200

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