An external entity may be: (1 point) (points : 1.5) a person.
another department.
another computer system.
all of the above.

All of the above

Explanation:  External entity is the thing that belongs to the outside surface or environment.In relation with the organizational field , external entity is the any outside source that is not a part of the organization.A person can be external entity if he/she is not a part of organization or employee.

Another department can be external entity with respect to a particular department of the same organization ,E.g.- Finance department can be external entity for the human resource department and vice-versa.

Computer system belonging to a person can be external entity for the other employee even being in same or different department of the organization E.g.- Employee 1 has computer system and it is a external source for the employee 2 because it does not belong to him and is outside of the his surrounding .

Thus, all the options are correct.

a) click on any cells in the range of data

b) click the data

c) click sort& filter group, click sort

d) select the column to sort by and then select a sort order

e) select the next column to sort by and select the sort order

f) click ok