JSON MCQ: JSON Multiple Choice Questions and Answers

JSON MCQ with answers and explanations for placement tests and job interviews. These solved JSON MCQs are useful for the campus placement for all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our JSON MCQ (JSON Multiple Choice Questions ) focuses on various parts of the JSON open standard file format and data interchange format. It will be useful for anyone learning JSON Basics, Essentials, and/or Fundamentals. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

 

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Guideline of JSON MCQ:

This JSON MCQ is intended for checking your JSON knowledge. It takes 1 hour to pass the JSON MCQ. If you don’t finish the JSON MCQ within the mentioned time, all the unanswered questions will count as wrong. You can miss the questions by clicking the “Next” button and return to the previous questions by the “Previous” button. Every unanswered question will count as wrong. MCQ on JSON has features of randomization which feel you a new question set at every attempt.

In this JSON MCQ, we have also implemented a feature that not allowed the user to see the next question or finish the JSON quiz without attempting the current JSON MCQ.

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JSON MCQ

JSON MCQ: JSON Multiple Choice Questions and Answers

1 / 57

How should a date value be stored in JSON?

2 / 57

What is the official MIME type for JSON?

3 / 57

Which is ignored by JSON but treated as significant by YAML?

4 / 57

How do you store several paragraphs of text as a string in JSON?

5 / 57

Which key name is used to specify properties that must be included for JSON to be valid?

6 / 57

What character separates keys from values?

7 / 57

If a string contains line breaks, what should you do?

8 / 57

What's wrong with this JSON object?

{
  "series": "Star Trek",
  "episodes": "The Trouble with Tribbles"
}

 

9 / 57

With what character should key/value pairs be separated?

10 / 57

What character cannot be part of string within JSON without additional formatting?

11 / 57

Which key name is used to specify data type in a JSON schema?

12 / 57

How do you assign a number value in JSON?

13 / 57

Which number types are available in javascript but not supported in json?

14 / 57

By convention, what name is used for the first key in a JSON schema?

15 / 57

Which value is supported in the JSON specifications?

16 / 57

Which is an invalid JSON value?

17 / 57

What technique can be used to represent complex objects with JSON?

18 / 57

Which key format is valid JSON?

19 / 57

Which code is valid JSON equivalent of the key/value pair shown that also preserves the data type?

20 / 57

What’s wrong with this JavaScript?

JSON.parse({"first": "Sarah", "last": "Connor"}) ;

 

21 / 57

What data structure do you use to encode ordered information?

22 / 57

Which code uses the correct JSON syntax to encode the key/value pair shown?

accountNum: '000605802'

 

23 / 57

What does JSON with padding (JSON-P) use to make a request?

24 / 57

Which JavaScript method converts a JavaScript value to Json?

25 / 57

What tool might you use to validate your JSON?

26 / 57

How should comments be formatted in JSON?

27 / 57

How is a true boolean value represented in JSON?

28 / 57

Transferring JSON information from client to server and back again often includes HTTP requests. Match each method with the best choice describing its use.

1.Sends data to specific server to create or update information.
2.Sends data to specific server to create or update information without the risk of creating the resource more than once.
3.Previews what the GET request response might be without the body of the text.
4.Learns the communication channels used by the target source.
5.Requests information from a specific source.
6.Removes information.

 

29 / 57

Which code is a valid JSON equivalent of the key/value pair shown that also preserves the data type? constant: 6.022E23

30 / 57

Which data type is NOT part of JSON standard?

31 / 57

What character do you specify before a JSON control character when you want to use that control characters as a literal part of a string?

32 / 57

How do you encode a date in JSON?

33 / 57

Which whitespace characters should be escaped within a string?

34 / 57

What data type is encoded in the outermost component of the JSON shown?

{
  "result": [
    {
      "year": 2024
    },
    {
      "location": "unknown"
    }
  ]
}

 

35 / 57

Which date type is part of the JSON standard?

36 / 57

When building dynamic web applications using AJAX, developers originally used the ____ data format, which has since been replaced by JSON.

37 / 57

Which element is added to the DOM to create a JSON-P request?

38 / 57

If you need to store the loggedIn status of a user in JSON as a boolean, what is the correct syntax?

39 / 57

Which is supported by YAML but not supported by JSON?

40 / 57

What data type is represented by the value of the key/value pair shown?

loggedIn: true

 

41 / 57

Which code uses the correct JSON syntax for a key/Value pair containing a string?

42 / 57

Which code uses the correct JSON syntax for encoding a key/value pair with a null value?

43 / 57

When you need to set the value of a key in JSON to be blank, what is the correct syntax for the empty value?

44 / 57

With which programming language is JSON best used?

45 / 57

How would you make the following string valid in JSON?

"name": 'bb-8'

 

46 / 57

Which term is commonly used to refer to converting data to JSON?

47 / 57

Which data format is a JSON schema written in?

48 / 57

How are values separated in JSON?

49 / 57

Why do so many APIs use JSON?

50 / 57

Which JavaScript method converts a Json to JavaScript value?

51 / 57

Which array is valid JSON?

52 / 57

What data type is encoded in the outermost component of the JSON shown?

[
  {
    "year": 2024
  },
  {
    "location": "unknown"
  }
]

 

53 / 57

Can trailing commas be used in objects and arrays?

54 / 57

What values can arrays contain?

55 / 57

What characters denote strings in JSON?

56 / 57

What characters are used to enclose an array?

57 / 57

Which reference to the Unicode character U+1F602 complies with the JSON standard?

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