Chapter 1

1. Software engineering is defined as the application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software.
2. Some of the key questions that a software engineer must be able to answer are as follows:

• • What are the business use cases that the software needs to support?
  • What components comprise the system and how do they interact with each other?
  • What technologies will be used to implement the various system components?
  • How will the software be tested to ensure that its behavior matches the customer's expectations?
  • How does load affect the system's performance and what is the plan for scaling the system?

3. An SRE spends approximately half of their time on operations-related tasks such as dealing with support tickets, being on call, automating processes to eliminate human errors, and so on.
4. The waterfall...