WebSockets Interview Questions

WebSockets interview questions

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Total Questions: 8

1. Which of the following is not associated with web socket communication?

A. https

B. wss

C. ws

D. http

Correct Answer is : http

2. The maximum bytes for control frames is _______________

A. 100 bytes

B. 125 bytes

C. 130 bytes

D. 150 bytes

Correct Answer is : 125 bytes

3. Which of the following is the server library for Node.js?

A. Caddy

B. SignalR

C. ws

D. jsonrpc

Correct Answer is : ws

4. Which of the following is the wire protocol for WebScoket?

A. RFC6455

B. RFC6477

C. RFC6567

D. RFC8967

Correct Answer is : RFC6455

5. In desktop which browser does not support WebSocket?

A. Chrome version 7

B. Chrome version 6

C. Chrome version 43

D. Internet Explorer 10

Correct Answer is : Chrome version 7

6. Which one is not associated with Gecko?

A. Firefox

B. SeaMonkey

C. Thunderbird

D. Internet Explorer

Correct Answer is : Internet Explorer

7. Messages from the server are received by ____

A. onmessage

B. send

C. arrayBuffer

D. blob

Correct Answer is : onmessage

8. For duplex communication we can’t use ____________

A. Long Polling

B. HTML5

C. JavaScript

D. Streaming

Correct Answer is : JavaScript

WebSockets interview questions