Google Looker Business Analyst - Looker-Business-Analyst Exam Practice Test

An analyst is creating a map that colors cities by their population. After adding fields and selecting the Interactive Map visualization, the analyst receives this error message:
"At least one dimension should be of type Location or have a map_layer specified".
There are currently three fields in the Explore:
City Name (Dimension)
Population (Measure)
Number of Museums (Measure)
What should the analyst do to resolve this error?

An analyst pins a dashboard from a personal folder to the team board. Other colleagues report that they cannot access the dashboard. There are a few dashboards in the personal folder that are not ready to share yet.
What should the analyst do to enable the team's access?

A business analyst is creating an Explore that shows the number of hotel rooms booked per week, by room type. The analyst is using a Week dimension and a Count measure, and is provisioning on a Room Type dimension. Looking at the results, the Count of King rooms seems unusually low one week.
What should the analyst do to further investigate the low numbers?

The sales team has all its Looker content stored in a folder called Sales. Team members are complaining that the Looks and dashboards have been getting moved and edited in unwanted ways. Only the sales analyst should be editing the content in the Sales folder.
Which access settings should be applied to the folder?