What kind of inquiries did you deal with when you worked at Amazon?
What kind of telephone calls did you get when you worked at the call center at Amazon?
ーWhat kind of inquiries did you deal with when you worked at Amazon?
「アマゾンで働いていた時、どんな問い合わせがありましたか？」
inquiry で「問い合わせ」
deal with で「対処する・処理する」
ーWhat kind of telephone calls did you get when you worked at the call center at Amazon?
「アマゾンのコールセンターで働いていた時、どんな電話を受けましたか？」
what kind of telephone calls did you get を使ってどんな問い合わせがあったかを聞くこともできます。
ご参考まで！
カナダ 
