What is the primary purpose of the initial device configuration process on Cisco IOS devices?

What is the primary purpose of the initial device configuration process on Cisco IOS devices?

what is the naswer?

$1.$To enable advanced networking features and protocols.

$2.$To optimize the device's performance for high$-$speed data transfers.

$3.$To establish network connectivity and basic settings for the device.

$4.$To customize the device's appearance and user interface.