Refer to the exhibit. An engineer configures OSPF and wants to verify the configuration. Which configuration is applied to this device?

This option is identical to C, and typically in a multiple-choice question, distinct options are expected. If C is correct, A would also technically be correct due to redundancy.

The `router ospf 1` command enters the OSPF routing process configuration mode, which is used for global OSPF settings like router ID and network commands, but not for direct interface-specific OSPF parameters like `ip ospf area`.

The `interface Gi0/1` command enters the specific interface configuration mode where settings such as OSPF area assignment can be directly applied to the interface, rather than globally via the OSPF routing process. This command is the first step to apply interface-specific OSPF configurations.

The `router ospf 1` command enters the OSPF routing process configuration mode, which is used for global OSPF settings like router ID and network commands, but not for direct interface-specific OSPF parameters like `ip ospf area`.