1.Which of the following is out of your control as a developer? a.a user\'s Inte

Question

1.Which of the following is out of your control as a developer?
      
a.a user's Internet connection speed
      
b.the number of HTTP requests
      
c.the size of embedded files
      
d.the size of linked files

2.In Chrome Device Mode, the maximum amount of data that a connection can carry per second is measured in __________.
      
a.megahertz (MHz)
  
b.number of files
      
c.megabits per second (Mbps)
      
d.milliseconds

3.You create a custom build of Modernizr by __________.
      
a.minifying the modernizr.js file.
      
b.using a configuration tool on the modernizr.com website.
  
c.removing orphaned styles from the modernizr.js file.
      
d.using Chrome Device Mode.

4.Risa has created a website for her interior decorating business. Before the publishes the site, she is making changes to improve its performance.

Risa uses image editing software to generate CSS code for each image in the spritesheet. The code specifies the dimensions of each element using the __________ .
      
a.background property
      
b.background-image property
      
c.width and height properties
      
d.background-position property

5.To create a spritesheet, you use __________.
  
a.any web browser
      
b.an image optimization tool
      
c.Chrome Device Mode
      
d.image editing software.

6.A spritesheet contains multiple __________.
      
a.JavaScript libraries
      
b.style sheets
      
c.HTML documents
      
d.images

7.Using a web application to remove spaces and comments from JavaScript code is an example of __________.
      
a.minifying
      
b.optimizing
      
c.removing orphaned styles
      
d.creating a custom build

8.Browsers generally limit the number of files that can be requested from a single server simultaneously. _________________________
True
False

9.Optimizing page load time is important for mobile users but does not impact desktop users.
True
False

Explanation / Answer

1.Which of the following is out of your control as a developer?
  
b.the number of HTTP requests

2.In Chrome Device Mode, the maximum amount of data that a connection can carry per second is measured in __________.
  
  
c.megabits per second (Mbps)
  

3.You create a custom build of Modernizr by __________.
  
d.using Chrome Device Mode.

4.Risa has created a website for her interior decorating business. Before the publishes the site, she is making changes to improve its performance.

Risa uses image editing software to generate CSS code for each image in the spritesheet. The code specifies the dimensions of each element using the __________ .
  
c.width and height properties
  

5.To create a spritesheet, you use __________.
  
  
d.image editing software.

6.A spritesheet contains multiple __________.
  
d.images

7.Using a web application to remove spaces and comments from JavaScript code is an example of __________.
  
b.optimizing
  
8.Browsers generally limit the number of files that can be requested from a single server simultaneously. _________________________
True

9.Optimizing page load time is important for mobile users but does not impact desktop users.

False

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