The video tutorial explains the concept of default routes in networking, comparing them to default gateway settings on end-user devices. It details how routers select default routes for packets that do not match any other routes in the routing table, emphasizing the importance of placing default routes at the end of the table. The tutorial also covers the binary operations involved in routing decisions and discusses both static and dynamic methods for inserting default routes into routing tables.

What happens if a default route is placed at the beginning of the routing table?

Describe how a default route can be added dynamically to a routing table.