Human resource specialist KSAs

Human resource specialist KSAs (knowledge, skills, and abilities).
Conduct a search on LinkedIn of human resource specialists. Compare the descriptions and skillsets highlighted in these profiles to those located on US Department of Labor’s O*NET https://www.dol.gov/agencies/eta/onet How are these similar? Different?
Then discuss in two paragraphs:
The four major approaches to job design and the components and purpose of the Job Characteristics Model and;
Describe the four major tools for motivational job design.