Which of the following is related to the concept of Nirgunabrahman?

Q. Which of the following is related to the concept of Nirgunabrahman?
A. Advaita
B. Visisthadvaita
C. Both A ; B
D. Neither A nor B
Answer: Advaita

A. Advaita
B. Visisthadvaita
C. Both A ; B
D. Neither A nor B
Answer: Advaita