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CIW JavaScript Specialist 1D0-735 Real Dumps 2023

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1D0-735 Dumps
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CIW 1D0-735 Dumps
1. Which of the following is not a best practice when using JavaScript
libraries?
A. Developers should ensure the library functions they use are crossbrowser compatible for the version of HTML they are using.
B. Developers should link to the library file and to each plug in script in
the <head> section of the HTML document using the <script> tag.
C. Developers should use plugins from a variety of JavaScript libraries to
ensure compatibility.
D. Developers should become familiar with one library then optimize
HTML code with that specific library in mind.
Answer: C
CIW 1D0-735 Dumps
2. 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
Answer: B
CIW 1D0-735 Dumps
3. Which of the following best describes how JavaScript communicates
with databases when used with AJAX?
A. It provides a limited set of database operations such as retrieving
data and displaying it back to the originating Web page.
B. It performs back-end database operations such as modifying the
database schema.
C. It is used to change database security permissions.
D. It was designed to perform queries on databases.
Answer: A
CIW 1D0-735 Dumps
4. Zamar wants to add buttons to his Web page to allow users to
navigate forward and backward through his Web site similar to the
Forward and Back buttons in the Web browser window.
Which JavaScript object will he use?
A. window
B. screen
C. history
D. navigator
Answer: C
CIW 1D0-735 Dumps
5. 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
Answer: A
CIW 1D0-735 Dumps
6. 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.
Answer: B
CIW 1D0-735 Dumps
7. Which of the following is a true statement regarding the relationship
between Promises and callback functions?
A. A Promise cannot be used in conjunction with a callback.
B. A Promise is used to monitor the value of a variable A callback
retrieves the previous value of a variable.
C. A Promise is a returned object to which the developer can attach
callbacks instead of passing callbacks to a function.
D. A Promise is an object a developer can use to pass callbacks to
functions.
Answer: C
CIW 1D0-735 Dumps
8. Marshall's computer previously contracted malware because he
unknowingly clicked on an infected link in a pop-up window.
What can he do to secure the Web browser so that he is protected in
the future?
A. Install the latest beta update for the Web browser
B. Disable cookies in the Web browser
C. Enable the pop-up blocker
D. Install anti-virus software
Answer: C
CIW 1D0-735 Dumps
9. What is the best practice for testing code to pinpoint a logic error
within a script?
A. Test the code in the W3C code validator.
B. Conduct a manual, line-by-line, code review.
C. Check for console errors when loading the page.
D. Insert watchpoints and comment out code blocks.
Answer: D
CIW 1D0-735 Dumps
10. 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
Answer: A
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