It is valid for 1 year since the certificate is issued, while a Student Certificate of Completion is valid for 2 years.
What should I know about speed and following distance when practicing for my road test?
Always respect the posted speed limit and adjust your speed taking into account factors such as weather, road, visibility and traffic conditions. Maintain adequate "cushion" space between your vehicle and the ones you are following. Always keep in mind the "two second rule" described in the Driver's Manual.
Is it okay to cross a crosswalk during my road test?
No, you must stop before crossing the crosswalk.
Also, I need to find out about REAL ID or Enhanced, what if I just wanted a Standard ones?
For the Standard ones that only display " NOT FOR FEDERAL PURPOSES ", you would just need your current NY State license as proof.
So i only need that as proof of identity for the Standard ones?
Yes. You are correct.
What should I do if i do not have a New York State driver license but still wanted to drive a taxi or livery vehicle in New York City?
First you need to get a Class E driver license instead of Class D. Then, you would need to contact the Taxi and Limousine Commission [ 6 ] and take not that from October 2020 onward, to board a domestic flight, you  will need an Enhanced or REAL ID unless you already have a passport.
Could i just use the Standard ones for traveling?
No. After October 2020, you would need an Enhanced or REAL ID.
How can I know what type of ID that I have?