ciw 1d0-735 practice test

How does AJAX use the XMLHttpRequest object"?

• A. It changes a portion of a Web page so only the affected part of the page will be reloaded
• B. It provides Web page compatibility with mobile device browsers
• C. It performs code validation on the server-side in order to speed up the process of validation
• D. It provides backward-compatibility with older browser versions

What is the expected result when executing the following scripts in a web browser?

• A. A pop-up alert box will display Fair followed by a pop-up alert box displaying Bad
• B. A pop-up alert box will display Poor
• C. There is an error in the code, no pop-up alert box will appear
• D. Two pop-up alert boxes will appear one will display Fair and one will display Poor

Ashton need to write out the items in any array as a list, with their array index number followed by
their value. Which block of code will accomplish this?
A)

B)

C)

D)

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Consider the following code:

The JavaScript function above will display the following:

• A. The package will be delivered to P.O. Box 789 Central City Florida 54321 Company headquarters are located in 123 Main Street Anytown Arizona 98765
• B. The package will be delivered to 123 Main Street Anytown Arizona 98765 Company headquarters are located in P.O Box 789 Central City Florida 541321
• C. The package will be delivered to Arizona Company headquarters are located in Florida
• D. The package will be delivered to Florida Company headquarters are located in Arizona

Consider the following code:

What change should be made to ensure that it correctly displays the value of name in all uppercase
letters?

• A. Line 2 should be changed to name = name . toUpperCase () ;
• B. Line 2 should be changed to name .prototype . toUpperCase () ;
• C. Line 3 should be changed to document. write (NAME) :
• D. Line 1 should be changed to var name = new sting("Jaccb");

Which of the following is an advantage of using the Virtual DOM?

• A. Rendering the virtual DOM is faster than rendering the regular browser DOM.
• B. The virtual DOM updates each element when the layout of the DOM changes, meaning that the page always reflects the most current data from the server
• C. The Virtual DOM is not just a view layer, but also makes changes directly to the Web page
• D. You can learn virtual DOM concepts and React libraries quickly because the libraries are simple and concise

Which of the following is not a benefit of Web APIs?

• A. Web APIs are frameworks that make it easy to build applications over HTTP services that are accessible over a large range of clients.
• B. Web APIs provide an interface for developers to write code themselves instead of using APIs developed by others .
• C. Web APIs are best used to create resource-oriented services.
• D. Before Web APIs developers had to write the entire code for every task they needed to perform.

Consider the following code:

What will this alert display?

• A. It appears fall has arrived
• B. It appears winter has arrived
• C. Yes It appears fall has arrived
• D. Yes It appears winter has arrived

Scarlet has the following code in her script:
Var namesArr =[‘’Joseph’,’ Charlotte’’, ‘’Nicole’’];
She wants to add the name Hank to the end of the array so that its length is 4. What code should she
use?

• A. namesArr [4] ''Hank'';
• B. namesArr push (''Hank'');
• C. namesArr unshift (''Hank'');
• D. namesArr .shift (''Hank'');

Which of the following statements is an advantage of using JavaScript on the server-side?

• A. Server-side validation conserves more bandwidth than client-side validation
• B. Server-side JavaScript runs the script on the server, thus eliminating compatibility problems with client-side browsers
• C. Server-side JavaScript requires lass processing power on the served level than client-side JavaScript
• D. Server-side JavaScript results in a higher level of end-user satisfaction