ANS-C01 Question #13: Real Exam Question with Answer & Explanation

Question

A company has two on-premises data center locations. There is a company-managed router at each data center. Each data center has a dedicated AWS Direct Connect connection to a Direct Connect gateway through a private virtual interface. The router for the first location is advertising 110 routes to the Direct Connect gateway by using BGP, and the router for the second location is advertising 60 routes to the Direct Connect gateway by using BGP. The Direct Connect gateway is attached to a company VPC through a virtual private gateway. A network engineer receives reports that resources in the VPC are not reachable from various locations in either data center. The network engineer checks the VPC route table and sees that the routes from the first data center location are not being populated into the route table. The network engineer must resolve this issue in the most operationally efficient manner. What should the network engineer do to meet these requirements?

Options

• ARemove the Direct Connect gateway, and create a new private virtual interface from each
• BChange the router configurations to summarize the advertised routes.
• COpen a support ticket to increase the quota on advertised routes to the VPC route table.
• DCreate an AWS Transit Gateway. Attach the transit gateway to the VPC, and connect the Direct

Explanation

If you advertise more than 100 routes each for IPv4 and IPv6 over the BGP session, the BGP session will go into an idle state with the BGP session DOWN. https://docs.aws.amazon.com/directconnect/latest/UserGuide/limits.html

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