If you have just started to learn Japanese, don't forget to study Japanese writing, too! To learn hiragana well, the key is to practice, practice, practice. Try this Japanese quiz and see how fast you can match the hiragana reading (pronunciation) to the correct hiragana letter.
The JLPT N1 examination is the advanced level of the Japanese Language Proficiency Test. The test covers about 2,000 Kanji, with most Kanji-related questions involving reading jukugo (Kanji compounds).