Update Notes.md

10-seconds · web-flow · commit 751ff59adc60 · 2019-01-03T18:17:43.000+05:30
diff --git a/Ref/Notes.md b/Ref/Notes.md
@@ -1740,6 +1740,18 @@ Red flags:
 Unfamiliar with the terms asynchronous or synchronous.
 Unable to articulate performance implications or the relationship between asynchronous code and UI code.
 
+What is Big O notation, and why is it useful?
+What is the DOM?
+What is the event loop?
+What is a closure?
+How does prototypal inheritance work, and how is it different from classical inheritance? (this is not a useful question IMO, but a lot of people like to ask it)
+How does this work?
+What is event bubbling and how does it work? (this is also a bad question IMO, but a lot of people like to ask it too)
+Describe a few ways to communicate between a server and a client. Describe how a few network protocols work at a high level (IP, TCP, HTTP/S/2, UDP, RTC, DNS, etc.)
+What is REST, and why do people use it?
+My website is slow. Walk me through diagnosing and fixing it. What are some performance optimizations people use, and when should they be used?
+What frameworks have you used? What are the pros and cons of each? Why do people use frameworks? What kinds of problems do frameworks solve?
+
 # HTML Questions
 
 Answers to [Front-end Job Interview Questions - HTML Questions](https://github.com/h5bp/Front-end-Developer-Interview-Questions/blob/master/questions/html-questions.md). Pull requests for suggestions and corrections are welcome!
