In your own words, describe what each group of status code represents:
- 100’s = Informational responses indicate the server is processing the request.
- 200’s = Success responses indicate the server processed the request and returned the expected content.
- 300’s = Redirection responses that indicate the client must take additional action to complete the request, such as following a new URL or using a cached response.
- 400’s = Client errors indicate the server couldn’t process the request due to a client-side error.
- 500’s = Server errors indicate an internal error, such as a misconfiguration or unhandled exception, prevented the server from processing the request.
What is a status code 202?
Status code 202 means the request has been accepted but processing is not yet complete, and the result may not be immediately available.
What is a status code 308?
Status code 308 means the requested resource has been permanently moved to a new URL and the client should update its bookmarks.
What code would you use if an update didn’t return data to a client?
You would use status code 204 - “No Content” to indicate that the update was successful but there is no data to return to the client.
What code would you use if a resource used to exist but no longer does?
You would use status code 410 - “Gone” to indicate that the requested resource is no longer available and has been permanently removed.
What is the ‘Forbidden’ status code?
The ‘Forbidden’ status code (403) means that the client does not have permission to access the requested resource.
Why do we need to pull our MongoDB database string out of our server and put it into our .env?
We need to put the MongoDB database string into the .env file to keep it confidential and prevent unauthorized access or modification to the database.
What is middleware?
Middleware is software that acts as a bridge between different applications or systems.
What does app.use(express.json()) do?
app.use(express.json()) is a middleware function in Express.js that parses incoming JSON data in the request body and makes it available in the request object as req.body.
What does the /:id mean in a route?
The /:id specifies a dynamic parameter in the route URL that can be used to retrieve a resource based on its unique identifier.
What is the difference between PUT and PATCH?
The main difference between PUT and PATCH HTTP methods is that PUT replaces the entire resource, while PATCH updates only the specified fields of the resource.
How do you make a default value in a schema?
To make a default value in a schema, set the default property of the field to the desired default value when defining the schema in Mongoose.
What does a 500 error status code mean?
A 500 error status code indicates an internal server error, which means that the server encountered an unexpected condition that prevented it from fulfilling the request.
What is the difference between a status 200 and a status 201?
A status 200 indicates a successful response to a GET or POST request, while a status 201 indicates a successful creation of a new resource in response to a POST request.