2.0 Software Design and Development

Question 1

What is (SDLC) Software defined life cycle

Answer 1

refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 2

What is the first stage of SDLC

Answer 2

Planning - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement
Also Known as requirement analysis

Question 3

What is the second stage of SDLC

Answer 3

Defining - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 4

What is the third stage of SDLC

Answer 4

Designing - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 5

What is the fourth stage of SDLC

Answer 5

Building - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 6

What is the fifth stage of SDLC

Answer 6

Testing - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 7

What is the sixth stage of SDLC

Answer 7

Deployment - refers to all the phases of a software product throughout its planning, development, and use, all the way through to its eventual obsolescence or retirement

Question 8

Describe the Waterfall SDLC model

Answer 8

A serial approach to software development that is divided into phases 
 Requirements/analysis
Design
Coding
Testing
Maintenance

Question 9

Describe the Lean SDLC model

Answer 9

is an agile framework based on optimizing development time and resources, eliminating waste, and ultimately delivering only what the product needs

Question 10

Describe the Agile SLDC model

Answer 10

A model where you increment the development life cycle, Making small deployable software while adding or removing features

Question 11

Describe the Model-View-Control Pattern

Answer 11

a software design pattern commonly used for developing user interfaces that divide the related program logic into three interconnected elements
Which are Model, View, and controller

Question 12

Describe Model

Answer 12

Responsible for retrieving and manipulating data, receives instruction from the controller

Question 13

Describe View

Answer 13

Is what the end-users see on the devices they are using to interact with the program, the views primary function is to render data

Question 14

Describe Controller

Answer 14

AN intermediary between what the user sees and the backend logic that manipulates the data

Question 15

Describe the observer pattern

Answer 15

is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods.

Question 16

Describe the subject of the Observer pattern

Answer 16

Is the object being observered

Question 17

Describe the Observer

Answer 17

The component that registers with the subject allows the subject to be aware of the observer and how to communicate with it

Question 18

How do you refer to root in Linux BASH

Answer 18

”/”

Question 19

In the linux bash when how to do you tell the cli that something is a variable

Answer 19

By adding the $ symbol in front of it

Question 20

How do you update a variable in linux

Answer 20

By using the export command

Question 21

What is Git

Answer 21

A distributed version control system built with scalability in mind

Question 22

Describe the Local workspace in Git

Answer 22

Where you store source code files, binaries, images, documentation, and whatever else you need

Question 23

Describe the staging area in Git

Answer 23

An intermediary storage area for items to be synchronized

Question 24

Describe the Head, or Local repository of Git

Answer 24

Where you store all committed items

Question 25

Describe untracked in Git

Answer 25

files that have been created within your repo’s working directory but have not yet been added to the repository’s tracking index using the git add command

Question 26

Describe Unmodified in Git

Answer 26

any files that haven’t been modified since the last commit

Question 27

Describe Modified in Git

Answer 27

Files that you have modified

Question 28

Describe Staged file in Git

Answer 28

files that are ready to be committed to the repository you are working on

Question 29

How do you change the status a untracked file to tracked in Git

Answer 29

git add command

Question 30

What does the git commit command do

Answer 30

captures a snapshot of the project’s currently staged changes and updates the local repository

Question 31

What does the git status do

Answer 31

gets the status of each file in your local directory

Question 32

What does the command git clone do

Answer 32

Duplicates an existing Git project from the URL provided into your current directory with the name of the repo as the directory name

Question 33

What does the git rm command do

Answer 33

Removes a file

Question 34

What does the command git push do

Answer 34

Syncs your local repo to the remote repo

Question 35

What does the command git pull do

Answer 35

syncs any changes that are on the remote repo and brings your local repo to the smae level