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Amazon AWS Certified Advanced Networking - Specialty Questions and Answers

Question 29

A company has two data centers that are interconnected with multiple redundant links from different suppliers. The company uses IP addresses that are within the 172.16.0.0/16 CIDR block. The company is running iBGP between the two data centers by using a private Autonomous System Number (ASN)and IGP.

The company is moving toward a hybrid setup in which the company will initially use one VPC in the AWS Cloud. An AWS Direct Connect connection runs from the first data center to a Direct Connect gateway by using a private VIF On the connection, the company advertises a summarized route for the 172.16.0.0/16 network The company is planning to set up a second summarized route from the second data center to a different Direct Connect location.

The company needs to implement a solution to route traffic to and from AWS through the first Direct Connect connection. The solution must use the second Direct Connect connection for failover purposes only.

Which solution will meet these requirements?

Options:

Prepend the private ASN on the BGP announcements to AWS from the second data center. Add a second VIF in the first Direct Connect connection. Advertise the same network without any prepends from the first data center. Implement the same setup for the BGP announcement from AWS to the two data centers.

Tag the BGP announcements with the local preference BGP community tags. Set the tag to high preference for the first data center. Set the tag to low preference for the second data center. Configure the second data center's router to have a lower local preference for the direct AWS BGP advertisements than for the advertisement from the first data center.

Configure the Direct Connect gateway to prefer routing through the Direct Connect connection with the first data center. Configure the second data center's router to have a lower local preference for the direct AWS BGP advertisements than for the advertisement from the first data center.

Configure the local AWS Region BGP community tag on the BGP route that is advertised from the first data center. Configure AS PATH prepends on the BGP announcements from the second data center.

Question 30

A network engineer must develop an AWS CloudFormation template that can create a virtual private gateway, a customer gateway, a VPN connection, and static routes in a route table. During testing of the template, the network engineer notes that the CloudFormation template has encountered an error and is rolling back.

What should the network engineer do to resolve the error?

Options:

Change the order of resource creation in the CloudFormation template.

Add the DependsOn attribute to the resource declaration for the virtual private gateway. Specify the route table entry resource.

Add a wait condition in the template to wait for the creation of the virtual private gateway.

Add the DependsOn attribute to the resource declaration for the route table entry. Specify the virtual private gateway resource.

Question 31

A company is running business applications on AWS. The company uses 50 AWS accounts, thousands of VPCs. and 3 AWS Regions across the United States and Europe.

A network engineer needs to establish network connectivity between an on-premises data center and the Regions. The network engineer also must establish connectivity between the VPCs. On-premises users and applications must be able to connect to applications that run in the VPCs.

The company has an existing AWS Direct Connect connection that the network engineer can use. The network engineer creates a transit gateway in each Region and configures the transit gateways as inter-Region peers.

Which solution will provide network connectivity from the on-premises data center to the Regions and will provide inter-VPC communications across the different Regions?

Options:

Create a private VIF with a gateway type of virtual private gateway. Configure the private VIF to use a virtual private gateway that is associated with one of the VPCs.

Create a private VIF to a new Direct Connect gateway. Associate the new Direct Connect gateway with a virtual private gateway in each VPC.

Create a transit VIF with a gateway association to a new Direct Connect gateway. Associate each transit gateway with the new Direct Connect gateway.

Create an AWS Site-to-Site VPN connection that uses a public VIF for the Direct Connect connection Attach the Site-to-Site VPN connection to the transit gateways.

Question 32

A company manages resources across VPCs in multiple AWS Regions. The company needs to connect to the resources by using its internal domain name. A network engineer needs to apply the aws.example.com DNS suffix to all resources.

What must the network engineer do to meet this requirement?

Options:

Create an Amazon Route 53 private hosted zone for aws.example.com in each Region that has resources. Associate the private hosted zone with that Region's VPC. In the appropriate private hosted zone, create DNS records for the resources in each Region.

Create one Amazon Route 53 private hosted zone for aws.example.com. Configure the private hosted zone to allow zone transfers with every VPC.

Create one Amazon Route 53 private hosted zone for example.com. Create a single resource record for aws.example.com in the private hosted zone. Apply a multivalue answer routing policy to the record. Add all VPC resources as separate values in the routing policy.

Create one Amazon Route 53 private hosted zone for aws.example.com. Associate the private hosted zone with every VPC that has resources. In the private hosted zone, create DNS records for all resources.

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Amazon AWS Certified Advanced Networking - Specialty Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce