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Meteor.js Multiple-Choice Questions (MCQs)

Meteor.js is an open source platform for seamlessly building and deploying Web, Mobile, and Desktop applications in Javascript or TypeScript.

Meteor.js MCQs: This section contains multiple-choice questions and answers on the various topics of Meteor.js. Practice these MCQs to test and enhance your skills on Meteor.js.

List of Meteor.js MCQs

1. What language is the Meteor framework built on?

  1. Python
  2. Java
  3. React
  4. JavaScript

Answer: D) JavaScript

Explanation:

Meteor framework is built on JavaScript Framework.

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2. Is the Meteor framework open-source?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Yes, the meteor framework is open-source.

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3. Does Meteor framework provide full-stack solution?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Yes Meteor framework provide full-stack solution.

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4. Which database is the Meteor framework's default?

  1. SQLite
  2. MySQL
  3. MongoDB

Answer: C) MongoDB

Explanation:

MongoDB is the Meteor framework's default database.

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5. Which command Runs a Meteor application locally?

  1. Meteor run
  2. Meteor start
  3. Meteor server-run
  4. Meteor run-server

Answer: A) Meteor run

Explanation:

The meteor run command, Runs a Meteor application locally.

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6. Which command is used in the meteor framework to resets the database of a Meteor application and restart it?

  1. Meteor stop
  2. Meteor restart
  3. Meteor reset

Answer: C) Meteor reset

Explanation:

The Meteor reset command is used in meteor framework to resets the database of a Meteor application and restarts it.

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7. Which template language does Meteor framework uses?

  1. Karma
  2. Templating Engine
  3. Handle
  4. Spacebars

Answer: D) Spacebars

Explanation:

Spacebars is the templating language that meteor framework use.

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8. ____ is a Meteor approach for producing real-time client-side updates that appear to take effect immediately, even before the server acknowledges the update.

  1. Meteor Event
  2. Latency compensation
  3. Reactive data
  4. Meteor publication

Answer: B) Latency compensation

Explanation:

Latency compensation is a Meteor approach for producing real-time client-side updates that appear to take effect immediately, even before the server acknowledges the update.

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9. In Meteor, a ____ is a mechanism to store and manage data in the application.

  1. Storage
  2. Collection
  3. Meteor publication

Answer: B) Collection

Explanation:

In Meteor, a Collection is a mechanism to store and manage data in the application.

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10. Meteor uses what protocol to communicate between the client and server in the meteor framework?

  1. POP
  2. FTP
  3. DDP

Answer: C) DDP

Explanation:

DDP (distributed data protocol) is used to communicate between the client and server in the meteor framework.

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11. Which command is used to add a package to a Meteor application?

  1. Meteor add <package-name>
  2. Meteor join <package-name>
  3. Meteor improve <package-name>

Answer: A) Meteor add <package-name>

Explanation:

Meteor add <package-name> command, is used to add a package to a Meteor application.

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12. Which of the following method fetches one or more documents from the Collection?

  1. Find
  2. Count
  3. Insert
  4. Update

Answer: A) Find

Explanation:

Find method fetches one or more documents from the Collection.

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13. With the help of which method the number of documents in a Collection query are counted?

  1. Find
  2. Count
  3. Insert
  4. Update
  5. Sum

Answer: B) Count

Explanation:

With the help of the Count method, the number of documents in a Collection query are counted.

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14. Which of the following method returns the first document returned by a Collection query?

  1. One
  2. Onlyone
  3. FindOne

Answer: C) FindOne

Explanation:

FindOne method, Returns the first document returned by a Collection query.

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15. With the help of which method a new document is added to the Collection?

  1. Add
  2. Complete
  3. New
  4. Insert

Answer: D) Insert

Explanation:

With the help of the insert method new document is added to the Collection.

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16. Which of the following method returns an array of all the documents returned by a Collection query?

  1. All
  2. Fetch
  3. Update
  4. Retrieve

Answer: B) Fetch

Explanation:

Fetch method, returns an array of all the documents returned by a Collection query.

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17. Which of the following method deletes a document from the Collection?

  1. Delete
  2. Del
  3. Del_all
  4. Remove

Answer: D) Remove

Explanation:

Remove method deletes a document from the Collection.

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18. A session variable's value is set using which of the following method?

  1. Session.set
  2. Session.get
  3. Set.session
  4. Session.insert

Answer: A) Session.set

Explanation:

A session variable's value is set using the Session.set method.

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19. Which of the following function returns the value of a session variable?

  1. Session.Value
  2. Session.get
  3. Value.session

Answer: B) Session.get

Explanation:

Session.get function returns the value of a session variable.

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20. Which of the following function produces an array containing the names of all session variables?

  1. Session.collection
  2. Session.array
  3. Session.dict
  4. Session.keys

Answer: D) Session.keys

Explanation:

Session.keys function produces an array containing the names of all session variables.

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21. Which of the following package offers Meteor apps with user authentication and password management features?

  1. Accounts-base
  2. Base
  3. Auth-base
  4. Pass-base

Answer: A) Pass-base

Explanation:

The Accounts-Base package offers Meteor apps with user authentication and password management features.

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22. Which of the following package is a complete toolkit for working with dates and timings in Meteor apps?

  1. Time
  2. Moment.js
  3. Duration.js

Answer: B) Moment.js

Explanation:

Moment.js package is a complete toolkit for working with dates and timings in Meteor apps.

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23. The ____ method is used to call a server method from the client.

  1. Meteor.Server
  2. Meteor.client
  3. Meteor.call

Answer: C) Meteor.call

Explanation:

The Meteor.call method is used to call a server method from the client.

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24. Which of the following function method compares the value of a session variable to a specified value?

  1. Session.compares
  2. Session.equals
  3. Session.value

Answer: B) Session.equals

Explanation:

This method compares the value of a session variable to a specified value.

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25. Suppose you want to get the current user's information on the client, then which of the following method you will use?

  1. App.user ()
  2. Meteor.auth()
  3. Meteor.user ()

Answer: C) Meteor.user ()

Explanation:

Meteor.user method, get the current user's information on the client.

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26. Is meteor.user() and meteor.users both are same?

  1. Yes
  2. No

Answer: B) No

Explanation:

No, they are not the same.

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27. Among meteor.user() and meteor.users method which of the following is a collection that stores user information for a Meteor application?

  1. meteor.user()
  2. meteor.users

Answer: B) meteor.users

Explanation:

meteor.users method is a collection that stores user information for a Meteor application.

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28. How many UI rendering libraries does Meteor supports?

  1. 5
  2. 4
  3. 3
  4. 2

Answer: C) 3

Explanation:

Meteor supports Three UI rendering libraries: Blaze, react, and Angular.

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29. In meteor, Blaze is ____.

  1. UI rendering library
  2. Update tracker library
  3. Templating engine

Answer: A) UI rendering library

Explanation:

In meteor, blaze is UI rendering library.

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30. Which of the following timer is used to execute an action just once after a predetermined length of time has passed?

  1. SetTimeout
  2. SetInterval

Answer: A) SetTimeout

Explanation:

timer is used to execute an action just once after a predetermined length of time has passed.

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31. Which of the following timer is used to repeat an activity after a certain period of time has passed?

  1. SetTimeout
  2. SetInterval

Answer: B) SetInterval

Explanation:

SetInterval timer is used to repeat an activity after a certain period of time has passed.

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32. ____ EJSON method converts an EJSON value to a JSON value.

  1. EJSON.toJSONValue
  2. EJSON.fromJSONValue

Answer: A) EJSON.toJSONValue

Explanation:

EJSON.toJSONValue method converts an EJSON value to a JSON value.

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33. ____ function converts a JSON value to an EJSON value.

  1. EJSON.toJSONValue
  2. EJSON.fromJSONValue

Answer: B) EJSON.fromJSONValue

Explanation:

EJSON.fromJSONValue function converts a JSON value to an EJSON value.

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34. Any static files that your application has to provide, like as photos, CSS files, JavaScript files, and so on, are referred to as ____

  1. Statis
  2. Resources
  3. Assets

Answer: C) Assets

Explanation:

Any static files that your application has to provide, like photos, CSS files, JavaScript files, and so on, are referred to as assets.

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35. Assets are stored in ____ folder

  1. Public
  2. Config
  3. Static
  4. Minor

Answer: A) Public

Explanation:

Assets are stored in the public folder.

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36. How many important tags does the Meteor template have?

  1. 2
  2. 3
  3. 4
  4. 5

Answer: B) 3

Explanation:

The three important tags are: Head, body, and template.

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37. Which of the following function renders a Blaze template into a DOM node?

  1. Blaze.render
  2. Blaze.renderWithData
  3. Blaze.remove
  4. Blaze.getData

Answer: A) Blaze.render

Explanation:

Blaze.render function renders a Blaze template into a DOM node.

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38. Meteor provides the ____ package for testing.

  1. Tester
  2. Testing
  3. Tinytest
  4. AppTester

Answer: C) Tinytest

Explanation:

Meteor provides the tinytest package for testing.

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39. The data is sent to the ____ through the Meteor.publish() function.

  1. Client
  2. Server

Answer: A) Client

Explanation:

The data is sent to the client through the Meteor.publish() function.

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40. ____ is a Meteor framework function for subscribing to a server publication.

  1. Meteor.publish()
  2. Meteor.subscribe()
  3. Meteor.subs()

Answer: B) Meteor.subscribe()

Explanation:

Meteor.subscribe() is a Meteor framework function for subscribing to a server publication.

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41. Which of the following method connects to the MongoDB database?

  1. Meteor DB
  2. Metor Database
  3. Meteor mongodb
  4. Meteor mongo

Answer: D) Meteor mongo

Explanation:

meteor mongo method connects to the MongoDB database.

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42. Which of the following method replaces an existing document in the Collection?

  1. New
  2. Update
  3. Replace

Answer: B) Update

Explanation:

The update method replaces an existing document in the Collection.

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43. When the Meteor application starts, the ____ function is used to run code on the server.

  1. Meteor.new
  2. Meteor.Restart
  3. Meteor.start
  4. Meteor.startup

Answer: D) Meteor.startup

Explanation:

When the Meteor application starts, the Meteor.startup function is used to run code on the server.

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44. Which of the following commands is used to check the packages installed in a Meteor application?

  1. Meteor pack
  2. Meteor list
  3. Meteor packages
  4. Meteor all_packages

Answer: B) Meteor list

Explanation:

Meteor list commands are used to check the packages installed in a Meteor application.

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45. Which of the following is the default templating engine?

  1. Blaze
  2. React
  3. Angular

Answer: B) React

Explanation:

React is the default templating engine before it was a blaze.

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46. Which of the following package is used to send emails in the meteor framework?

  1. Email
  2. Email-client
  3. Email-user

Answer: A) Email

Explanation:

email package is used to send emails in the meteor framework.

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47. The email is then sent to the recipient using the ____ function.

  1. Email.client
  2. Email.dispatch
  3. Email.send
  4. Email.post

Answer: C) Email.send

Explanation:

The email is then sent to the recipient using the Email.send function.

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48. Is there built-in support for Cross-Origin Resource Sharing in Meteor?

  1. Yes
  2. No

Answer: A) Yes

Explanation:

Yes, Meteor provides built-in support for Cross-Origin Resource Sharing (CORS).

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49. Which of the following companies uses the Meteor framework?

  1. Mazda
  2. IONIQ Electric
  3. Honeywell
  4. Dispatch
  5. All of the above

Answer: E) All of the above

Explanation:

The following are companies use meteor framework:

  • Mazda
  • IONIQ Electric
  • Honeywell
  • Dispatch

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50. What are the alternatives to the Meteor framework?

  1. Node.js
  2. Laravel
  3. Django
  4. React
  5. All of the above

Answer: E) All of the above

Explanation:

Following are the alternatives of the meteor framework:

  • Node.js
  • Laravel
  • Django
  • React

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