Quiz  /  JSON Class 12 MCQ Questions With Answers

  • 1. 
    Which of the following is not a type in JSON?

  • date
  • Object
  • Array
  • string

  • 2. 
    Which of the following code will throw an error?

  • JSON.parse(‘{}’);
  • JSON.parse(null);
  • JSON.parse(undefined);
  • JSON.parse(‘[]’);

  • 3. 
    Quale funzione in PHP si usa per convertire i dati in un formato JSON ?

  • php_encode
  • php_string_to_json
  • php_decode
  • json_codify

  • 4. 
    Quale funzione si usa in PHP per convertire il formato JSON in dati alfanumerici?

  • json_encode
  • json_to_string
  • json_decode
  • json_to_array

  • 5. 
    Which is correct format of writting JSON name/value pair

  • 'name : value'
  • name = 'value'
  • name = "value"
  • "name" : "value"

  • 6. 
    What are two main structures compose JSON?

  • Arrays and Objects
  • Keys and values
  • Class and Objects
  • None of above

  • 7. 
    La base del formto JSON è una struttura chiave:valore dove chiave rappresenta il campo di dati e il valore rappresenta l'informazione

  • Vero
  • Falso

  • 8. 
    What is the common usage of Json on modern websites?

  • To send and receive bits of data
  • To store information remotely
  • To store information locally
  • All of the Above

  • 9. 
    JSON strings have used in___.

  • Double quote
  • Single quote
  • Both 1 & 2
  • None of These

  • 10. 
    Is JSON Case sensitive ?

  • Yes
  • No

  • 11. 
    JSON is derived from the ______ programming language?

  • Java
  • ECMScript
  • PHP
  • JavaScript

  • 12. 
    Which of the following JSON feature ensures communication between two applications designed in different programming languages?

  • Extensibility
  • Scalability
  • Interoperability
  • Reusability

  • 13. 
    Which of the following is the limitation of JSON?

  • Too many data types
  • Complicated debugging
  • Support for only C
  • No limit on arrays and objects

  • 14. 
    Which of the following Protocol services uses JSON?

  • SMTP
  • HTTP
  • TCP/IP
  • Web Protocol

  • 15. 
    JSON stands for ________________

  • Java Standard Output Network
  • JavaScript Object Notation
  • JavaScript Output Name
  • Java Source Open Network

  • 16. 
    JSON elements are separated by the ___.

  • line break
  • semi-colon
  • comma
  • white space
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