The importance of theoretical knowledge when passing an interview in IT

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The importance of theoretical knowledge when passing an interview in IT

The information technology industry is no longer a secret to anyone that it is developing very actively all over the world, and today, literally in a year of time, the whole world is trying to move into a more comfortable information space. Recently, demand, as well as resources, make it possible to acquire a new profession, be it a designer, developer, manager, etc. But really, everyone can get the opportunity to work in this area? My personal opinion is NO. Now let's look at why. 
 
Firstly, almost all companies that really need a person for a permanent job try to "paint" their own vacancy in such detail that they forget exactly who they need and mix the requirements for various vacancies into one ... 
secondly, I will not say the majority, but there are many cases when a person who announces a recruitment and actually posts vacancies is not aware / insufficiently knowledgeable / technically savvy for most vacancies and as a result, she is looking for a person whom she herself does not understand why and what for. 
Third, formalities in 9 out of 10 companies. This is either a technical interview or a test assignment. There is also a third option, both. Of course, some (SOME are still) offer payment for a test or a successful test, but one big BUT is hidden here ... The fact is that in my own opinion these are terrible nonsense that no one ever needs, a person can prepare a cheat sheet, study on memory five (which will still be temporary), find a test solution on the Internet, and so on.What will it give? Select dexterous, cunning? Maybe you still need to look for organized, responsible and those who appreciate their work? Whoever, not in theory, but in practice, can show that he can, knows and can. This is not a test, this is an online interview with mini tasks that contain the same requirements for a vacancy. 20 minutes of talking or texting and voila, you already understand the technical level of the candidate. All the same, this is my opinion, and I think that there are many people who could supplement the list or support my version. 
In conclusion, there is still a burning hope that very soon there will be a more responsible approach and assessment to such professions, based on real knowledge here and now, and not on jaded words that are jaded to the bare ends of the nerves. When I started to form my business, the first thing I did in relation to the search for employees was a real and adequate description of the vacancy and identifying the requirements of the candidate necessary for this vacancy using the method of practical interview.