We have to translate the question and provide an answer for it using the ～ことがある construction to inquire about past experiences. Note that in our answer, we do not need to repeat the entirety of the question.

We will say that, yes, we have climbed Mt. Fuji. To translate the following question and response, we answer as follows:
A：授業をサボったことがありますか。（じゅぎょうをサボったことがありますか。）
B：いいえ、ありません。

We have to translate the question and provide an answer for it using the ～ことがある construction to inquire about past experiences. Note that in our answer, we do not need to repeat the entirety of the question.

We will say that, yes, we have climbed Mt. Fuji. To translate the following question and response, we answer as follows:
A：富士山に登ったことがありますか。（ふじ山にのぼったことがありますか。）
B：はい、あります。