Sprint 3

Question 1

What essentially is a web application?

Answer 1

• Set of webpages users see in browser
• Set of logical operations and Calculations that process user requests

Question 2

What three things make up client-server architecture?

Answer 2

• Client - responsible for user interaction
• Server - supports logical operations, calculations, and data storage
• Network - provides the connection between the client and the server

Question 3

Define Clients

Answer 3

Piece of software that communicates with a server and requests the information the user needs

Question 4

Define Servers

Answer 4

System that processes client requests and generates a response.

Question 5

Define Networks

Answer 5

System of interconnected devices that helps a client and server exchange data

Question 6

Why is it cruicial for QA Engineers to understand the Client-server architecture?

Answer 6

Enables testers to ensure smooth communication between system components

Question 7

Define Front End

Answer 7

User Interface of a web application that end users interact with directly

Question 8

Define Backend

Answer 8

Behind the scenes operations and the magic that is not seen.

Question 9

Define HTTP(Hypertext Transfer Protocol)

Answer 9

Used to transfer data between web pages/sites. Not secure

Question 10

What is the structure of a URL?

Answer 10

• Scheme - protocol used for passing data. EX: HTTP & HTTPS
• Username:Password - pair tells the server which user is accessing it
• @ - separates the username:password pair from the hostname:port
• Hostname - domain name or IP address of the server that a user is addressing
• Path - Specifices the resource or page on the server with /
• Query parameters - additional information for the server which include key and value relationships after ?
• Domain Name - address that a web application is registered under

Question 10

Define HTTPS(Hypertext Transfer Protocol Secure)

Answer 10

Encrypts the connection between a client and server. Makes it so a third party can’t view a page.

Question 10

Name the 7 Status Codes and what they describe

Answer 10

1. 200(OK) - Successful Request
2. 201(Created) - Successful creation of an item
3. 204(No Content) - Successful request with no response body
4. 400(Bad Request) - Client error in the request syntax or size
5. 403(Forbidden) - The client lacks permission to access the resource
6. 404(Not Found) - Resource not found
7. 500(Internal Server Error) - Generic response for unexpected failure

Question 11

Define URL(Uniform Resource Locator)

Answer 11

Unique address that is essential for internet navigation, facilitating communication between client and server

Question 12

Define Devtools

Answer 12

Collection of tools in a browser to assist QA and Web app developers

Shortcut to open is Command+Option+I

Question 13

What are the three common types of client-side storage?

Answer 13

1. Cookies - small text files stored in the user’s browser. Usually used for session management
2. The Cache - used to store frequently accessed resources that don’t change often. EX: CSS files, Javascript, and images
3. Local Storage - persistent storage for key-value pairs. Data doesn’t get sent to the server unlike cookies

Question 14

*

What are UI elements?

Answer 14

Building blocks of any web application. Basically anything you can click on or interact with

Question 15

Define Visual Testing

Answer 15

Verifies that the webpage and all UI elements are displayed properly based on the requirements

Question 16

Define Functional Testing

Answer 16

Makes sure the elements on the page work as intended based on functionality requirements

Question 17

Define Data Validation Testing

Answer 17

Helps QA ensure that input data meets the product requirements. Basically if invalid data is inputted an error message should be displayed

Question 18

Define Cross-Browser testing

Answer 18

Ensures a website or application functions consistently and smoothly across different web browsers, platforms, devices, operating systems and screen resolutions

Question 19

Types Cross-Browser Testing

Answer 19

• Platform Testing - ensures applications gracefully navigate different devices
• Operating System Testing - checks that apps vibe well with various operating systems
• Web Browser Testing - makes sure your application looks and works perfectly on different web browsers
• Screen Resolution Testing -ensures your app shines on screens of all sizes

Question 20

Define Platform Testing

Answer 20

Involves checking that your software can work properly on different devices such as desktops and mobiles

Question 21

Define Operating System Testing

Answer 21

Ensures that application works properly on different operating systems

Question 22

Types of Layout Adaptivity Testing

Answer 22

1. Screen Resolution Tesing - ensures your application behaves well then bouncing between high-resolution and low-resolution screens
2. Screen size testing - ensures your application looks good on screens of all sizes
3. Device Testing - ensures your application is suitable for various devices
4. Browser Testing - ensures your application looks perfect on different browsers

Question 23

Define Traffic Analyzer

Answer 23

Tool that allows you to view and log data that passes through a computer network

Question 24

Define Proxy

Answer 24

Allows you to monitor network traffic, and also allows you to view network traffic

Question 25

Define JSON

Answer 25

Text format that is used regularly for exchanging information between client and server