The online dongle generally uses stronger chips and technology than the stand-alone version, of course, the real online dongle is not a stand-alone dog software simulation, to Rockey4, 5 as an example, are extremely difficult to crack, if you talk about the shortcomings, that is, you need to have the relevant network basic knowledge, if the user is a computer idiot sometimes cause some trouble, It is best that the user has the support of the network management, and sometimes it will be blocked by some firewalls and anti-virus software by mistake, resulting in the confusion of ordinary users, which is very troublesome, and I have suffered from it, and often have to solve such problems for people.