QUESTION: 37

Your organization leverages an IP Address Management (IPAM) product to manage IP address distribution. The IPAM exposes an API. Development teams use CloudFormation to provision approved reference architectures. At deployment time, IP addresses must be allocated to the VPC. When the VPC is deleted, the IPAM must reclaim the VPC’s IP allocation.

Which method allows for efficient, automated integration of the IPAM with CloudFormation?

AWS CloudFormation parameters using the “Ref::” intrinsic function
AWS CloudFormation custom resource using an AWS Lambda invocation.
CloudFormation::OpsWorks::Stack with custom Chef configuration.
AWS CloudFormation parameters using the “Fn::FindInMap” intrinsic function.

Answer(s): A

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QUESTION: 38

You need to set up an Amazon Elastic Compute Cloud (EC2) instance for an application that requires the lowest latency and the highest packet-per-second network performance. The application will talk to other servers in a peered VPC.Which two of the following components should be part of the design? (Choose two.)

Select an instance with support for single root I/O virtualization.
Select an instance that has support for multiple ENAs.
Ensure that the instance supports jumbo frames and set 9001 MTU.
Select an instance with Amazon Elastic Block Store (EBS)-optimization.
Ensure that proper OS drivers are installed.

Answer(s): A,B

Reference:

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html

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QUESTION: 39

You are configuring a virtual interface for access to your VPC on a newly provisioned 1-Gbps AWS Direct Connect connection. Which two configuration values do you need to provide? (Choose two.)

Public AS number
VLAN ID
IP prefixes to advertise
Direct Connect location
Virtual private gateway

Answer(s): A,E

Reference:

https://aws.amazon.com/directconnect/faqs/

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QUESTION: 40

A corporate network routing table contains 624 individual RFC 1918 and public IP prefixes. You have two AWS Direct Connect connectors. You conﬁgure a private virtual interface on both connections to a virtual private gateway. The virtual private gateway is not currently attached to a VPC. Neither BGP session will maintain the Established state on the customer router. The AWS Management Console reports the private virtual interfaces as Down.

What could you do to address the problem so that the AWS Management Console reports the private virtual interface as Available?

Attach the virtual private gateway to a VPC and enable route propagation.
Filter the public IP pre?xes on the corporate network from the private virtual interface.
Change the BGP advertisements from the corporate network to only be a default route.
Attach the second virtual interface to an alternative virtual private gateway.

Answer(s): D

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QUESTION: 37

QUESTION: 38

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QUESTION: 39

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QUESTION: 40