SEB-72 React part 2 Week 8

What is a json web token?

• A JWT is a type of coffee drink
• A JWT is a type of computer virus
• A JWT securely transmits information between parties as a JSON object.

• A JWT is a programming language

What is the structure of JWT?

• Header, Main, Footer

• Model, View, Controller

• Model, View, Template

• Header, Payload, Signature

What is the MERN Stack?

• MongoDB, Ember, React, and Node.js.

• MySQL, Express, React, and Node.js.

• MongoDB, Express, React, and Node.js.

• MongoDB, Express, Ruby, and Node.js.

Props can be modified in the child component directly like state?

• True

• Only in certain cases

• False

• Sometimes

What the atob() method do when we parse JSON?

• Encode the JSON string
• Decode the base-64 encoded string
• Encrypt the JSON content
• Compress the JSON data

What does next() do in express

• next() in Express is a method to restart the server
• next() in Express is a function to retrieve the next route handler
• In Express, next() is used to end the request-response cycle
• In Express, next() is a function used to pass control to the next middleware function.

What is localStorage used for?

• localStorage is used for sending emails
• localStorage is used to store data in a user's web browser.
• localStorage is used for cooking recipes
• localStorage is used for playing online games

Collection is a group of MongoDB ___________?

• rows
• columns
• documents
• tables

Why do we need to use cors in our backend?

• To limit the number of users accessing the server
• To increase the server's processing speed
• To allow web applications from different domains to make requests to our server
• To improve the visual design of the web application

What does the Bearer mean in the headers that we use with my localStorage token?

• Bearer token is a type of cookie used for authentication
• Bearer token is a type of access token that is used to authenticate API requests.
• Bearer token is a type of encryption method
• Bearer token is a type of HTTP request method