LFCS Question #231: Real Exam Question with Answer & Explanation

Question

Which of the following statements would create a default route using a gateway of 192.168.1.1?

Options

• Anetstat -add default gw
• Broute default 192.168.1.1
• Cip route default 192.168.1.1
• Droute add default gw 192.168.1.1
• Eifconfig default gw 192.168.1.1 eth0

Explanation

The route add command is used to add a static route to the routing table, including a default route, by specifying the gateway IP address.

Common mistakes.

• A. netstat is primarily used for displaying network connections, routing tables, and interface statistics, not for adding routes.
• B. The syntax route default 192.168.1.1 is incomplete and syntactically incorrect for adding a default route using the route command.
• C. While ip route add default via 192.168.1.1 is a correct modern command, the provided option ip route default 192.168.1.1 is syntactically incorrect.
• E. ifconfig is used for configuring network interfaces (like setting IP addresses), not for adding routes to the routing table.

Concept tested. Adding a default route using route command

Reference. https://man7.org/linux/man-pages/man8/route.8.html

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