2. What is the role of the default gateway in a network, and why is it essential for a host to have a default gateway configured, especially when there are no other matching rules in the routing table?
The default gateway plays a significant role as it matches any address on the internet. It is essential to have a default gateway because without a default gateway host won't be able to reach hosts outside the destinations in the routing table.
The default gateway plays a significant role as the exit point for network traffic when no specific route is found in the routing table. It operates as a comprehensive solution, handling traffic for any address on the internet. Having a configured default gateway is essential, as without it, a host won't be able to reach destinations outside the entries in the routing table.
