API/Postman

Question 1

Challenges for rest API testing

Answer 1

• api documentation
• access to db
• authorization overhead

Question 2

What’s the difference between put and post methods

Answer 2

Post - creates a new record in the database
Put - changes records information in the database

Question 3

Different method/requests types in rest API

Answer 3

• post
• put
• patch
• delete
• head
• options
• get

Question 4

What’s the difference between put and patch

Answer 4

Put - method of modifying recourses that updates the entire recourse/record
Patch - method of modifying recourses that updates partial data without modifying the entire data.

Question 5

What’s the difference between rest API and GrqphQL

Answer 5

The core difference between GraphQL and Rest API is that graphQL is a specification, a query language, while REST is an architectural concept for network-based software

Question 6

Status/response codes

Answer 6

1- hold on Request initiated by the browser is continuing
2 - here you go - success codes
3** - go away, unauthorized - redirection response
4** - you fd up - client errors
5** - I fd up(server)- server error codes

Question 7

API abbreviation

Answer 7

Application programming interface

Question 8

REST abbreviation

Answer 8

Representational state transfer

Question 9

GraphQl abbreviation

Answer 9

Graph Query Language

Question 10

Importance of API testing

Answer 10

• detect bugs earlier
• It is critical for integration testing since API is used to communicate between different software systems
• Time saving
• cost efficient

Question 11

Why postman

Answer 11

• you can write tests
• manipulate data
• test API and graphQL
• you can write commands
• robust community and support

Question 12

Most common status codes

Answer 12

200 - Success/ok
301 - Permanent redirect(page moved to a new URL)
302 - temporary redirect
304 - not modified for caching purposes
400 - bad request
401 - unauthorized error
403 - forbidden
404 - not found
500 - internal server error
501 - not implemented

Question 13

What is Basic Auth in Postman

Answer 13

It’s the basic authentication provided for HTTP user agents like browser to enter username and password

Question 14

what is binary form in Post method

Answer 14

Post binary form designed to send information in the forma that is impossible to enter manually, like large csv files

Question 15

what is the difference between authentication and authorization

Answer 15

1. Authorization is a way of allowing or permitting someone, authentication is proving that something is genuine.
2. Authentication comes first
3. Authorization is open with permission, for authentication requires you to have a password.

Question 16

what is the payload in postman

Answer 16

It’s the body of the request and response message

Question 17

what is a collection

Answer 17

it’s a way to group similar requests

Question 18

what is a pre-request script

Answer 18

helps you to execute JS scripts before request runs

Question 19

how postman variables are accessed

Answer 19

by using variable names
{ (variable name) }

Question 20

what is the meaning of the term environment in Postman

Answer 20

It’s a set of key-value pairs

Question 21

how do you remove local variables

Answer 21

Local variables are automatically removed after the tests have been executed