The file name breaks down into specific identifiers that reveal exactly what the software package contains:
map to Data plane interfaces ( GigabitEthernet0/0/0/0 , GigabitEthernet0/0/0/1 , etc.).
Once booted, access via console and then configure management interfaces; IOS XR uses different configuration hierarchy (config mode, router processes). Supports SSH, NETCONF/RESTCONF depending on enabled features.