Domain 3

Question 1

Subject

Answer 1

The active entity that makes a request to access a resource.

The subject is commonly a user, but can also be a process, program, computer, or organization.

Question 2

Object

Answer 2

The passive entity that the subject wants to access.

An object is commonly a resource, such as a file or printer, but it can also be a user, process, program, computer, or organization.

Question 3

Closed Systems

Answer 3

Systems built to work well with a narrow range of other systems, generally all from the same manufacturer.

The standards for closed systems are often proprietary and not formally disclosed.

Question 4

Open Systems

Answer 4

Systems designed using agreed-upon industry standards.

Open systems are much easier to integrate with systems from different manufacturers that support the same standards or that use compatible APIs.

Question 5

Open vs. Closed-Source Solutions

Answer 5

Open source solutions are where the source code is exposed/available to the public.

Closed source is where the source code is hidden from the public.