Topics to be assigned. See Below. The paper will be 2-4 pages, not including Tit

Topics to be assigned. See Below.
The paper will be 2-4 pages, not including Title Page, Abstract, or Reference Page. You must follow APA 6 Style formatting. See Attached guidelines and rubric for details. No exceptions. SafeSign will be in effect; plagiarism will not be tolerated.
Using the OSI model, write a paper that contrast, compare, and explain the following.
The purpose and role of each layer of the OSI model. (25 points)
Which components or/and devices operate at each layer? (25 points)
Name and describe utilities, tools, or applications used to troubleshoot problems at each layer of the OSI model? (25 points)
Provide at least two examples of how a network administrator or engineer will use the OSI model to troubleshoot. (25 points)