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Sockets MCQ question and answer in javascript with solution

Learn Sockets MCQ Questions and answers in javascript with easy and logical explanations. Sockets 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-6 section-1

51
How many parameters does the method plot() accept?
Discuss
Answer & Solution
Answer: Option D
Solution:
The method plot() accepts a total of 9 parameters.
52
What is the need for bubble charts?
Discuss
Answer & Solution
Answer: Option B
Solution:
Bubble charts are used to represent three-dimensional data.
53
Which of the following is the initial function used to create a bubble chart natively in R?
Discuss
Answer & Solution
Answer: Option C
Solution:
The method symbols() is used to create a bubble chart natively in R.
54
What is the purpose of the method symbols in R?
Discuss
Answer & Solution
Answer: Option B
Solution:
The symbols() function can be used to draw other shapes on a plot; for more information about this type ?symbols at the R console.
55
How to save chart as a Window metafile?
Discuss
Answer & Solution
Answer: Option B
Solution:
The method win.metafile([filename]) is used to save chart as a Window metafile.
56
Which is the method used to save chart as a ps file?
Discuss
Answer & Solution
Answer: Option B
Solution:
The syntax for the method to save chart as a ps file is : postscript([filename]).
57
Which of the following are methods used to save charts?
Discuss
Answer & Solution
Answer: Option D
Solution:
All of the above mentioned methods are used to save charts in different modes.
58
Which is the method used to draw a bar plot?
Discuss
Answer & Solution
Answer: Option C
Solution:
The method barplot() can be used to draw a bar plot.
59
What is the purpose of the method par()?
Discuss
Answer & Solution
Answer: Option B
Solution:
With the method par(), you can make the text horizontal.
60
How many parameters does the WebPageTest API accept?
Discuss
Answer & Solution
Answer: Option D
Solution:
The WebPageTest API accepts totally 8 parameters, namely url, location, runs, fvonly, private, block, f, k.