Las Vegas was the first major airport to offer free what?

Here is the question :

LAS VEGAS WAS THE FIRST MAJOR AIRPORT TO OFFER FREE WHAT?

Here is the option for the question :

• Wi-Fi
• An AirTrain
• Long-term parking
• Electronic check-in kiosks

The Answer:

And, the answer for the the question is :

Explanation:

[STC0017855]. The McCarran International Airport in Las Vegas, which is now known as Harry Reid Airport, was the first significant airport to provide free, limitless Wi-Fi in 2010. At the time, McCarran Airport was unique among airports in that it had its own internal communications system.