LFCS Question #769: Real Exam Question with Answer & Explanation

Question

Identify the statement that would create a default route using a gateway of 192.168.1.1.

Options

• Anetstat add defaultgw
• Broute default 192.168.1.1
• Cip route default 192.168.1.1
• Droute add defaultgw 192.168.1.1
• Eifconfig defaultgw 192.168.1.1 eth0

Explanation

The route add default gw <gateway_ip> command is used to configure a default gateway for network traffic on Linux systems.

Common mistakes.

• A. netstat is primarily used for displaying network connections, routing tables, and interface statistics, not for adding routes.
• B. route default 192.168.1.1 is syntactically incorrect; it lacks the add keyword and gw specifier.
• C. ip route default 192.168.1.1 is incomplete for the ip command; the correct syntax would be ip route add default via 192.168.1.1.
• E. ifconfig is used for configuring network interfaces, not for adding default routes; defaultgw is not a valid parameter for ifconfig.

Concept tested. Adding a default network route

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

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