Web Development with Node.JS and MongoDB (Video 9)

Web Development with Node.JS and MongoDB (Video 9)

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial explains streams in Node.js, covering their types, modes, and methods. It details how streams allow data processing in chunks, avoiding memory overload. The tutorial discusses readable, writable, and duplex streams, and how to control data flow using methods like pipe, resume, and pause. It also covers error handling and creating custom streams by extending base classes. The video concludes with a brief on the next topic: file system module.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary advantage of using streams over traditional data handling methods?

They allow processing of data in small chunks.

They are slower than traditional methods.

They require all data to be loaded into memory.

They do not support event handling.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which mode does a readable stream emit data as quickly as possible?

Automatic mode

Manual mode

Flowing mode

Paused mode

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you switch a readable stream to flowing mode?

By removing all event handlers

By closing the stream

By adding a data event handler

By calling the pause method

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the pipe method do in the context of streams?

It stops the data flow.

It converts data to a different format.

It connects a readable stream to a writable stream.

It duplicates the data.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do once you have no more data to write to a writable stream?

Call the end method

Call the start method

Call the reset method

Call the pause method

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in creating a custom stream?

Extend the base class

Implement the read method

Use the pipe method

Call the end method

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is typically implemented in a transform stream to process data?

write

underscore transform

transform

read

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