DeepFrontend
Learning Paths
Practice
System Design & DS
Design Studio
Data Structures Curriculum
Real-World Case Studies
Careers
Job Board
Resume Builder
Blog
Sign in
Search
⌘K
Go Pro
Loading compiler resources...
Node.js Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Node.js
Why can a Node server handle a very large number of concurrent, mostly-idle network connections efficiently?
A
Because it spawns a new thread per connection
B
Because network I/O uses OS-native async facilities (epoll/kqueue/IOCP) rather than a thread per connection or the thread pool
C
Because JavaScript is inherently faster than other languages
D
This isn't actually true
Check Answer