Answer:
The answer is: Both statements are correct
Explanation:
Only the NYSE has a physical trading floor which s located on the famous Wall Street in New York. Nasdaq trades only electronically.
Some firms that qualify for trading at the NYSE (they meet the listing requirements of the NYSE), choose to trade at Nasdaq.
The main difference between the NYSE and Nasdaq is that NYSE is an auction market (individuals can trade between each other on an auction basis) while Nasdaq is a dealer's market (participants trade through dealers).