1. What is the simplest way to understand an ETF?

A: Digital assets that can only be staked on-chain

B: A company’s stock whose price is directly determined by buyers and sellers in the secondary market

C: A stock basket that contains a multi-stock portfolio

D: Risk-free US Treasury bonds issued by the Fed

2. What strategy is commonly used to reduce the risk of market volatility when building a long-term investment portfolio?

A: Full position in a single downstream stock

B: Often buying at high prices and selling at low prices during pre-market and after-hours trading

C: Using an Auto Invest strategy that buys in stages

D: Increasing leverage blindly for short-term trading

3. Compared with investing in individual stocks from a single company, what are the biggest differences and advantages of investing in an ETF?

A: Chasing extreme short-term gains multiple times

B: Stock prices never fluctuate

C: Diversification reduces the risk of individual company stocks

D: No need to follow stock market trading rules

4. What is the core investment logic of an index ETF?

A: Reliably outperforming the market through high-frequency trading

B: Tracking a specific market index to follow overall market growth

C: Finding companies with the smallest market capitalization for concentrated bottom-fishing

D: Completely abandoning traditional stocks and switching to digital assets

5. If an investor is optimistic about the future development of artificial intelligence (AI) but does not want to pick specific companies, which tool should they prioritize?

A: Traditional heavy-industry stocks

B: Sector ETF in related fields

C: Anonymous small-cap digital assets

D: Traditional bank savings products