In the OSI model, the Application layer refers to the ____________________ built into all operating systems that enable network aware applications.

Which of the following is NOT true about changing field names in a query?

A) The field names assigned in an aggregate query can easily be changed either before or after the query is run. B) You must keep the original field name in the query design grid so Access knows what field to perform the calculation on. C) The default name that Access uses for a field that includes an aggregate function is descriptive and does not need to be changed. D) Field names in aggregate queries are a composite of the selected aggregate function and the table field name.

Which command-line utility can be used to see the rights of a current user?

a. who /all b. whoami /all c. usercfg /all d. userctl /all