ExamVeda
Login
Home

Performance Measures MCQ question and answer in javascript with solution

Learn Performance Measures MCQ Questions and answers in javascript with easy and logical explanations. Performance Measures MCQ question in Javascript which provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-5 section-1

41
What is the purpose of the Script tab?
Discuss
Answer & Solution
Answer: Option C
Solution:
The Script tab can be used to run more complex tests that involve multiple steps including navigate to multiple URLs, etc.
42
Which is the command that is used to spoof the client user agent?
Discuss
Answer & Solution
Answer: Option A
Solution:
The setUserAgent spoofs the client user agent.
43
What is the purpose of the Block tab?
Discuss
Answer & Solution
Answer: Option B
Solution:
The Block tab allows us to block content coming in our request.
44
What is the purpose of the Video tab?
Discuss
Answer & Solution
Answer: Option D
Solution:
The Video tab allows you to capture screen shots of your page as it loads and views them as a video.
45
What is the task of the Advanced Panel?
Discuss
Answer & Solution
Answer: Option A
Solution:
In the Advanced panel, you can have the test stop running at document completion. That will tell us when the document.onload event is fired, instead of when all assets on the page are loaded.
46
What is the vulnerability of XHR communications?
Discuss
Answer & Solution
Answer: Option C
Solution:
XHR communications that may happen after page load could register as new activity and skew the test results.
47
Which of the following methods adds and connects the point to the cubic bezier curve?
Discuss
Answer & Solution
Answer: Option B
Solution:
This method adds a new point P to the subpath and connects it to the current point with a cubic Bezier curve.
48
Which of the following methods adds an arc to the current subpath?
Discuss
Answer & Solution
Answer: Option C
Solution:
The arc() method adds an arc to the current subpath.
49
What is the purpose of minifying the JavaScript?
Discuss
Answer & Solution
Answer: Option A
Solution:
To ensure that our first-time visits are as streamlined as possible, we need to minify our JavaScript.
50
From which did Minification concept originate?
Discuss
Answer & Solution
Answer: Option B
Solution:
Minification is originally based on the idea that the JavaScript interpreter ignores white space, line breaks, and of course comments, so we can save on total file size of our .js files if we remove those unneeded characters.