A standardized test that measures Japanese language proficiency for non-native speakers; commonly called the JLPT (levels N1–N5).
来年、仕事のために日本語能力試験N2を受けるつもりです。
I plan to take the JLPT N2 next year for my job.
日本語能力試験は年に2回しか実施されない国もあります。
In some countries the JLPT is only administered twice a year.
N1に合格するには文法と読解の対策が必要だ。
To pass N1 you need to prepare for grammar and reading comprehension.