2. B. Agile is an implementation of the Lean
management philosophy for software
development.
3. A, B, D. Model-View-Controller is a software
design pattern used to create interactive
graphical web-centric applications. It can be
found in Django (a web app framework) as well
as many web applications that require support for
many types of clients.
4. A, C. The Observer pattern follows the
publisher/subscriber model, where a client
subscribes to the publisher and synchronizes its
configuration state. This is perfect for one-to-
many device configuration and management of
event handling in infrastructure components.
5. C. BASH stands for Bourne Again Shell.
6. B. env | more pipes the contents of your
environment variables to the more command
and allows for page breaks.
7. B. Software version control is also commonly
known as source code management.
8. D. Linus Torvalds, the father of Linux, created
Git.
9. B. The three main structures tracked by Git are
local workspace, index, and local repository.
10. D. To add a specific file to the Git index, you use
the command git add followed by the name of
the file you want to add.
11. A. One of the main benefits of conducting formal
code reviews is to help you the developer, create
higher-quality software.CHAPTER 3
1. D. The correct command is python3 -m (for
module) venv myvenv (which can be whatever
you choose to name your virtual environment).