No exam necessary. If you have no knowledge of Hebrew, or if you have partial knowledge of the Hebrew alphabet and know 10 to 20 words, you are considered a beginner and should register for Hebrew 10.
Typography designer Liron Lavi Turkenich has created a stylized writing system ... of the 22 letters in Hebrew with each of the 29 in Arabic to create an Aravrit alphabet with 638 characters.