Tips for N5 exam

I am not asking for tips to pass exam without kanji or others. I have some questions to all the senpai who are above level Can you give me advice on how to give n5 exam ,which part of the paper should I focus more ,time limit ? Will there be furigana in reading section? What should I do if I don't understand something in reading section?

Advice for grammar and kanji section?

It will be my first time so I am sure I am gonna be overwhelmed on the centre?