To answer your questions:

1)

Data Science has a concept known as "Domain Knowledge," which is related to each type or genre of data. For example, someone with deep domain knowledge in data related to telecommunications may understand it very well. This "Domain Knowledge" is essential for understanding data and knowing what to do with it. Taking this into consideration, we can see that, unlike many other careers, not all data science jobs are the same, making the decision to change jobs difficult.

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2)

The Data Science process includes:

1. Data Collection

2. Data Cleaning

3. Exploratory Data Analysis (EDA)

4. Model Building

5. Model Deployment