An employee receives an email from an unknown sender claiming to be from the IT department.The email states that there is a login issue on the network and that the user needs to run the file to resolve the problem. The executable file prompts the user to input a network password, which the threat actor records. What social engineering technique is the threat actor using in this scenario?

Choosing entire classrooms rather than individuals for a study is:

Dividing a population by race or grade level before sampling is an example of:

Why can’t incidence be directly calculated in case control studies?

The major disadvantage of case reports and series is:

An example of anthropometric data is:

The main limitation of an ecological study is:

Incident cases in a case control study are defined as:

What is a major cause of selection bias in cohort studies?

Which of the following would not be included in the inclusion criteria for a cohort study?