- What is the format of the SDF?
A) It is a text file
B) JSON
C) XML
- Why can't the UDRF format be directly used by simulation for robots?
A) Because URDF cannot specify the pose of the robot within a world
B) Because it cannot specify the dynamic properties of joints, such as stiffness, damping, and/or friction
C) All of the above
- What is the <collision> tag used for?
A) For defining the physical obstacles the robot has to avoid
B) It is an optional tag for performing the interference checking of robot joints
C) To define the volume to be considered for the interference checking of robot links
- What is the ROS find command used for?
A) It is used to refer to other ROS nodes with the same name
B) It returns the absolute path of the ROS package that is specified as its argument
C) It allows you to easily find any file within the ROS environment
- What is a robot simulation in Gazebo used for?
A) To find out more about a robot before purchasing it
B) To develop functionality prior to applying it to the real robot
C) To check the visual aspect of a robot before manufacturing it