Page Render BottleNecks Optimization MCQ

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• What would happen if there were no script tags?
  ক

  Build DOM nodes in render tree

  খ

  Layout positioning of DOM elements

  গ

  Paint DOM elements

  ঘ

  Execute script
• What will happen after executing the script?
  ক

  Execute script

  খ

  Layout positioning of DOM elements

  গ

  Paint DOM elements

  ঘ

  Build DOM nodes in render tree
• Which is the next step after retrieving the content in chunks?
  ক

  Paint DOM elements

  খ

  Parse Content

  গ

  Build DOM nodes in render tree

  ঘ

  Layout positioning of DOM elements
• Which of the following gets converted to DOM elements by the rendering engine?
  ক

  Tokens

  খ

  Strings

  গ

  Address

  ঘ

  Characters
• Which of the following layer retrieves the content from the network?
  ক

  Transport Layer

  খ

  Application Layer

  গ

  Network Layer

  ঘ

  Physical Layer
• Which of the following runs the JavaScript code?
  ক

  Just In Time compiler

  খ

  JavaScript Interpreter

  গ

  Both Just In Time compiler and JavaScript Interpreter

  ঘ

  Javascript compiler
• What does the rendering engine do when it encounters JavaScript?
  ক

  Skips the code

  খ

  Continues painting

  গ

  Switches to Javascript Interpreter

  ঘ

  Restructures the code
• Which of the following handles painting the content on to the screen?
  ক

  Rendering engine

  খ

  JavaScript Interpreter

  গ

  UI Layer

  ঘ

  Network Layer
• When does the browser stop rendering the HTML?
  ক

  Inline JavaScript block

  খ

  External JavaScript file

  গ

  Both Inline JavaScript block & External JavaScript file

  ঘ

  External HTML file