NodeJS expressjs quiz

How to store local variables that can be access within the application?

In ExpressJS, the method app.all(path, callback [, callback ...]) can accept all HTTP methods

What should you do in your code to improve your application’s performance?

(Multiple choices)

Route paths, in combination with a request method, define the endpoints at which requests can be made.

Which of following are valid form of route path?

Where is captured values are populated regarding route parameters?

Select all valid rout parameter formats

How many number of callback functions can be attached to handle a request?

Is the below code valid?

var cb0 = function (req, res, next) {
  console.log('CB0')
  next()
}
var cb1 = function (req, res, next) {
  console.log('CB1')
  next()
}
var cb2 = function (req, res) {
  res.send('Hello from C!')
}
app.get('/example/c', [cb0, cb1, cb2])

Is the code below valid?

var cb0 = function (req, res, next) {
  console.log('CB0')
  next()
}
var cb1 = function (req, res, next) {
  console.log('CB1')
  next()
}
app.get('/example/d', [cb0, cb1], function (req, res, next) {
  console.log('the response will be sent by the next function ...')
  next()
}, function (req, res) {
  res.send('Hello from D!')
})

The methods on the response object (res) in the following table can send a response to the client, and terminate the request-response cycle. If none of these methods are called from a route handler, the client request__________

How can we create chainable route handlers for a route path in ExpressJS app?