Selecting a manually assigned network configuration is necessary to match the office's policy for network parameters. This entails specifying the exact numeric identifiers for the workstation, including the numerical label of the device in the network, the network mask, the path to the default network gateway, and the numeric address of the DNS resource. Opting for automatic acquisition of these details via DHCP would not be appropriate in an environment that does not support or allow for automatic assignments. Other options like enabling specific network protocols or activating indirect network settings do not directly address the requirement for manually assigned network parameters.