Automating Device Configuration

Zero-touch provisioning.

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/zero_touch_provisioning.html

The blank is referring to the solution that automates the configuration of a device when it is first powered on using DHCP and TFTP, and the answer is "AutoInstall".

AutoInstall is a feature that allows network administrators to automate the configuration of Cisco IOS devices when they are first powered on. AutoInstall uses Dynamic Host Configuration Protocol (DHCP) to obtain an IP address and other network parameters, and Trivial File Transfer Protocol (TFTP) to retrieve a configuration file from a TFTP server.

The configuration file contains the commands necessary to configure the device, such as hostname, interface configurations, and routing protocols. The configuration file can also specify which IOS image the device should use, as well as any other configuration options.

AutoInstall can be used to deploy new devices to a network quickly and efficiently. By automating the configuration process, network administrators can ensure that all devices are configured consistently and according to best practices. AutoInstall can also be used to reconfigure devices that have been reset to their factory defaults or to restore devices that have lost their configuration for some reason.