Getting Started with Socket.io
Interactive Video
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Information Technology (IT), Architecture
•
University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using the Socket.IO library in Node.js?
To simplify database interactions
To enhance the security of the server
To improve the performance of the server
To provide WebSocket support for real-time communication
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command is used to install the latest version of Socket.IO?
npm install socket.io@stable
npm install socket.io@latest
npm install socket.io@2.2.0
npm install socket.io@beta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of refactoring the server code when setting up Socket.IO?
To configure Express to work with Socket.IO
To change the server's default port
To improve server security
To integrate a new database
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What event does the server listen for to detect a new WebSocket connection?
socketConnect
connection
newConnection
connect
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What file is automatically served to clients when Socket.IO is set up on the server?
socket.io.js
client.js
websocket.js
server.js
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should the client-side JavaScript file be placed in the project structure?
In the root directory
In the public directory
In the server directory
In the config directory
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What function is used on the client-side to establish a connection to the server?
socket()
io()
websocket()
connect()
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