Authentication in today's internet world seems like a daunting endeavor; please explain the reasons why this is the case.

Authentication in the digital era is a difficult problem to solve.

By using this table answer this question in SQL : Write a SQL query, which shows a list of all employees last name, their department names and their department city where that department is located from the employees table.  If an employee does not belong to a department, then their department number and department name should show as “N/A” and their department city should show up as  “No City info Found”.  MAKE SURE you have all the employees displayed including the employees who do not have a department.

In today's digital age, authentication is a challenging challenge to tackle.

In the world of encryption, what are the emerging trends and challenges, and how are they addressed with advanced solutions?

In this day and age of advanced technology, could you please explain why authentication still poses such a challenge?

Describe the challenges posed by authentication in the current Internet environment.