Step 1: Understand the SCARA robot's structure.
A SCARA (Selective Compliance Assembly Robot Arm) robot is known for its rigid movement in the vertical direction and flexibility in the horizontal plane. It typically has four degrees of freedom:
(A)Two rotational degrees of freedom for the arm,
(B)One vertical translational degree of freedom,
(C)One rotational degree of freedom for the wrist.
Step 2: Conclusion
Thus, a SCARA robot has four degrees of freedom.
Final Answer:
\[
\boxed{4}
\]