Routing in Transit Gateways and VPC Attachments Quiz

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Which of the following can be propagated to a transit gateway route table for a VPC attachment?

Routes in the route table associated with the connect attachment

Routes in the route table associated with the VPC (correct)

Routes in the route table associated with the transit gateway

Routes in the route table associated with the SD-WAN devices

What can be associated with a route table in a transit gateway?

VPC CIDR-blocks

SD-WAN appliances

Attachments (correct)

TGW route tables

Can the same attachment be associated with multiple TGW route tables?

Yes

No (correct)

Only if the attachment is a VPC attachment

Only if route propagation is enabled

What is used to propagate routes to other TGW route tables?

Route propagation Signup and view all the answers

Which types of attachments have routes that can be installed in transit gateway route tables?

Both VPC and connect attachments Signup and view all the answers

What happens when an attachment is propagated to a transit gateway route table?

Routes are installed in the route table Signup and view all the answers

Which type of attachment advertises routes to third-party virtual devices through BGP?

Connect attachment Signup and view all the answers

What type of routes are propagated to the transit gateway route table for a VPC attachment?

Routes in the route table associated with the VPC Signup and view all the answers

What type of routes are advertised to the SD-WAN appliances running in a VPC through BGP?

Routes in the route table associated with the connect attachment Signup and view all the answers

What is the purpose of route propagation in a transit gateway?

To propagate routes to other TGW route tables Signup and view all the answers

Which type of traffic will use the Transit Gateway Attachment as the next hop, as shown in the example?

All traffic except 192.168.50.0/24 subnet traffic Signup and view all the answers

What type of route table does the Transit Gateway create by default?

Transit Gateway default route table Signup and view all the answers

What can you use the transit gateway default route table for?

Default association and propagation route table Signup and view all the answers

What is one use case for creating additional route tables and disabling the default route table?

Isolating subsets of attachments and forcing traffic to flow through a certain attachment Signup and view all the answers

What can transit gateway route tables propagate routes from?

Route tables for attached VPCs, VPN connections, and direct connect gateways Signup and view all the answers

How are packets routed between attachments using transit gateway route tables?

Based on the route that matches the destination IP-address Signup and view all the answers

How many attachments can be associated with a single route table?

Zero to many attachments Signup and view all the answers

What is the purpose of associating a transit gateway attachment with a route table?

To enable the route table to forward packets to other attachments Signup and view all the answers

What must be done to route traffic through a transit gateway when attaching a VPC to it?

Add routes to the subnet route table Signup and view all the answers

What type of traffic will use the transit gateway attachment as the next hop, according to the example?