how are index funds typically managed in terms of investment strategy?\nactively\npassively\nindividually

how are index funds typically managed in terms of investment strategy?\nactively\npassively\nindividually
Answer
Brief Explanations:
Index funds aim to replicate the performance of a specific market - index. They do not involve frequent buying and selling based on market predictions like actively - managed funds. Instead, they passively track the index, holding a portfolio of securities that mirror the index's composition.
Answer:
B. passively