def METHOD_NAME(bytez: bytes):
    bytez = bytez.split(b'\x00\x00')[0]
    if len(bytez) < 8:
        return False, None
    nonull = bytez.replace(b'\x00', b'')
    if (len(bytez) // 2) - 1 != len(nonull):
        return False, None
    return isAscii(nonull)