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PAT MOCK QUESTIONS
Question 1
What is the scope of a variable declared using the "let" keyword in JavaScript?
Local scope
Global scope
Function scope
Block scope
Question 2
Which HTTP status code should be used when a client attempts to delete a resource that does not exist in a RESTful API?
200 OK
201 Created
204 No Content
404 Not Found
Question 3
In a RESTful API, which HTTP method is typically used to update a specific resource?
GET
PUT
POST
DELETE
Question 4
What is the purpose of the HTTP status code "201 Created" in the context of a RESTful API?
It indicates that a resource has been successfully updated.
It indicates that a resource has been successfully deleted
It indicates that a new resource has been successfully created.
It indicates that the request was malformed or invalid.
Question 5
What is the purpose of the "React.Fragment" component in React?
It is used to create reusable React components.
It is used to define the propTypes of a component.
It is used to group multiple JSX elements without adding extra nodes to the DOM.
It is used to handle form submissions in React.
Question 6
Which of the following is the correct way to update the state of a parent component from a child component in React?
Using props and callback functions
Using the "setState" method directly in the child component
Using the "forceUpdate" method in the parent component
Using the "state" keyword in the child component
Question 7
What is the significance of using the "render" method in a React component?
It defines the initial state of the component.
It updates the component's state.
It returns the JSX elements that will be rendered to the DOM.
It defines the lifecycle methods of the component.
Question 8
In React, what is the purpose of the "key" prop when rendering a list of components?
It is used to style the components in the list.
It is used to define the initial state of each component in the list.
It is used to uniquely identify each component in the list.
It is used to define the propTypes of each component in the list.
Question 9
Which of the following lifecycle methods is called after a component has been rendered for the first time?
componentDidMount
componentDidUpdate
componentWillMount
componentWillUnmount
Question 10
What is the purpose of the "setState" method in React?
It is used to update the component's state.
It is used to render JSX elements.
It is used to define the component's lifecycle methods.
It is used to create reusable components.
There are 20 questions to complete.