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MCQs

Total Questions : 25 | Page 1 of 3 pages
Question 1. Which of the following code will throw an error?
  1.    JSON.parse(‘{}’);
  2.    JSON.parse(null);
  3.    JSON.parse(undefined);
  4.    JSON.parse(‘[]’);
 Discuss Question
Answer: Option C. -> JSON.parse(undefined);
Question 2. Which of the following Protocol services uses JSON?
  1.    SMTP
  2.    HTTP
  3.    TCP/IP
  4.    Web Protocol
 Discuss Question
Answer: Option B. -> HTTP
Question 3. Is JSON Case sensitive ?
  1.    Yes
  2.    No
 Discuss Question
Answer: Option A. -> Yes
Question 4. What are two main structures compose JSON?
  1.    Arrays and Objects
  2.    Keys and values
  3.    Class and Objects
  4.    None of above
 Discuss Question
Answer: Option B. -> Keys and values
Question 5. Which of these is correct about the JSON standard?
  1.    It is an open standard
  2.    It is privately developed
  3.    It requires a license to use
  4.    none of the above
 Discuss Question
Answer: Option A. -> It is an open standard
Question 6. In modern websites what is the common usage for JSON?
  1.    To store information remotely.
  2.    To send and receive bits of data.
  3.    To store information locally.
  4.    none of the above
 Discuss Question
Answer: Option B. -> To send and receive bits of data.
Question 7. Which of the following is the limitation of JSON?
  1.    Too many data types
  2.    Complicated debugging
  3.    Support for only C
  4.    No limit on arrays and objects
 Discuss Question
Answer: Option B. -> Complicated debugging
Question 8. What is the common usage of Json on modern websites?
  1.    To store information locally
  2.    To store information remotely
  3.    To send and receive bits of data
  4.    All of the Above
 Discuss Question
Answer: Option C. -> To send and receive bits of data
Question 9. JSON strings have used in___
  1.    Double quote
  2.    Single quote
  3.    Both 1 & 2
  4.    None of These
 Discuss Question
Answer: Option A. -> Double quote
Question 10. Which is correct format of writting JSON name/value pair
  1.    'name : value'
  2.    name = 'value'
  3.    name = "value"
  4.    "name" : "value"
 Discuss Question
Answer: Option D. -> "name" : "value"

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