Pre-booking SNT bus tickets online can be done through:

The SNT website
Travel booking platforms
Mobile apps
All of the above

The correct answer is: d) All of the above.

SNT bus tickets can be pre-booked online through the SNT website, travel booking platforms, and mobile apps.

The SNT website is the official website of the SNT bus company. It is a reliable and convenient way to book tickets. The website has a user-friendly interface and offers a variety of payment options.

Travel booking platforms are websites or apps that allow users to book tickets for a variety of travel services, including bus tickets. Some popular travel booking platforms include Expedia, Booking.com, and Kayak.

Mobile apps are applications that can be downloaded to smartphones and tablets. There are a number of mobile apps that allow users to book SNT bus tickets. Some popular mobile apps for booking SNT bus tickets include the SNT app and the GoEuro app.

Pre-booking SNT bus tickets online is a convenient and easy way to ensure that you have a seat on the bus you want to travel on. It is also a good way to save money, as many bus companies offer discounts for online bookings.