Regarding the map and odom frames:

The default frame for the Map Server to publish the loaded map in is...

In a map, the image describes the occupancy state of each cell of the world in the color of the corresponding pixel.

In the standard configuration, which color corresponds to which state?

The odom frame is useful as an accurate, short-term local reference.

One of Matt Mason's funny ideas is that "each of us has an inner robot", which means that:

Select all the nodes that are started by navigation_launch.py in nav2_bringup:

Mark the correct sentences about the ROS2 Actions.

A ROS2 Lifecycle Node is in "Unconfigured" state and it executes the "configure()" method successfully. Which is the new state of the node?

In ROS, the Map Server...