ANS-C01 Question #242: Real Exam Question with Answer & Explanation

Question

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

• APrepend the private ASN on the BGP announcements to AWS from the second data center. Add
• BTag the BGP announcements with the local preference BGP community tags. Set the tag to high
• CConfigure the Direct Connect gateway to prefer routing through the Direct Connect connection
• DConfigure the focal AWS Region BGP community tag on the BGP route that is advertised from