List an undergrad at a more prestigious university while your graduate degree is accurate. There’s a high chance outside of government few will verify. Hell, lie about it all. I know for a fact my last big tech employer never verified education.
My point is finding edge cases where a person with a certain set of antisocial traits will abuse the system doesn’t mean there isn’t value in it. The majority of people won’t take the risk to their professional reputation and will be honest.
Not if they make you write something when you come for the interview. It's not uncommon to have to fill out a questionnaire, even in Western companies.
What makes you say that? Their attitudes towards concepts like cheating, deception and outcome over process behind the social wall of politeness and diligence might surprise you.
Sounds incredibly easy to cheat, but also not something Japanese would do, would they?