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

Question

Options

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

• A
  14% (3)
• B
  77% (17)
• C
  5% (1)
• D
  5% (1)

Explanation

Option B is correct because route add default gw 192.168.1.1 is the valid Linux/Unix syntax for adding a default route - route add is the command, default specifies the destination (equivalent to 0.0.0.0/0), and gw is the required keyword preceding the gateway IP.

• A is wrong because netstat is a network statistics tool used for viewing connections and routing tables, not modifying them; netstat -add is not a valid flag combination.
• C is wrong because the correct ip route syntax requires add and the via keyword: ip route add default via 192.168.1.1.
• D is wrong because it omits add - without it, the route command doesn't know what operation to perform.
• E is wrong because ifconfig configures interface parameters (IP, netmask, MTU), not routing; it has no concept of a gateway route.

Memory tip: Think of the route command like a sentence - "route add [destination] gw [gateway]" - you're telling the system to add a path to a destination through a gateway. If the command name isn't route, or the action word add is missing, it won't work.

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