What was similar and what was different from an overall perspective?

After reading Module 5 and Incident Response CSIRT, plus watching the Professor Messer video, answer the following questions:

Research another source of Incident Response Planning and CSIRT information.

Compare and contrast the textbook Module 5, Incident Response CSIRT, outside research, and the video material. What was similar and what was different from an overall perspective?

video link https://www.professormesser.com/security-plus/sy0-…