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?
- Python
- Java
- React
- JavaScript
Answer: D) JavaScript
Explanation:
Meteor framework is built on JavaScript Framework.
2. Is the Meteor framework open-source?
- Yes
- No
Answer: A) Yes
Explanation:
Yes, the meteor framework is open-source.
3. Does Meteor framework provide full-stack solution?
- Yes
- No
Answer: A) Yes
Explanation:
Yes Meteor framework provide full-stack solution.
4. Which database is the Meteor framework’s default?
- SQLite
- MySQL
- MongoDB
Answer: C) MongoDB
Explanation:
MongoDB is the Meteor framework’s default database.
5. Which command Runs a Meteor application locally?
- Meteor run
- Meteor start
- Meteor server-run
- Meteor run-server
Answer: A) Meteor run
Explanation:
The meteor run command, Runs a Meteor application locally.
6. Which command is used in the meteor framework to resets the database of a Meteor application and restart it?
- Meteor stop
- Meteor restart
- 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.
7. Which template language does Meteor framework uses?
- Karma
- Templating Engine
- Handle
- Spacebars
Answer: D) Spacebars
Explanation:
Spacebars is the templating language that meteor framework use.
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.
- Meteor Event
- Latency compensation
- Reactive data
- 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.
9. In Meteor, a ____ is a mechanism to store and manage data in the application.
- Storage
- Collection
- Meteor publication
Answer: B) Collection
Explanation:
In Meteor, a Collection is a mechanism to store and manage data in the application.
10. Meteor uses what protocol to communicate between the client and server in the meteor framework?
- POP
- FTP
- DDP
Answer: C) DDP
Explanation:
DDP (distributed data protocol) is used to communicate between the client and server in the meteor framework.
11. Which command is used to add a package to a Meteor application?
- Meteor add <package-name>
- Meteor join <package-name>
- 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.
12. Which of the following method fetches one or more documents from the Collection?
- Find
- Count
- Insert
- Update
Answer: A) Find
Explanation:
Find method fetches one or more documents from the Collection.
13. With the help of which method the number of documents in a Collection query are counted?
- Find
- Count
- Insert
- Update
- Sum
Answer: B) Count
Explanation:
With the help of the Count method, the number of documents in a Collection query are counted.
14. Which of the following method returns the first document returned by a Collection query?
- One
- Onlyone
- FindOne
Answer: C) FindOne
Explanation:
FindOne method, Returns the first document returned by a Collection query.
15. With the help of which method a new document is added to the Collection?
- Add
- Complete
- New
- Insert
Answer: D) Insert
Explanation:
With the help of the insert method new document is added to the Collection.
16. Which of the following method returns an array of all the documents returned by a Collection query?
- All
- Fetch
- Update
- Retrieve
Answer: B) Fetch
Explanation:
Fetch method, returns an array of all the documents returned by a Collection query.
17. Which of the following method deletes a document from the Collection?
- Delete
- Del
- Del_all
- Remove
Answer: D) Remove
Explanation:
Remove method deletes a document from the Collection.
18. A session variable’s value is set using which of the following method?
- Session.set
- Session.get
- Set.session
- Session.insert
Answer: A) Session.set
Explanation:
A session variable’s value is set using the Session.set method.
19. Which of the following function returns the value of a session variable?
- Session.Value
- Session.get
- Value.session
Answer: B) Session.get
Explanation:
Session.get function returns the value of a session variable.
20. Which of the following function produces an array containing the names of all session variables?
- Session.collection
- Session.array
- Session.dict
- Session.keys
Answer: D) Session.keys
Explanation:
Session.keys function produces an array containing the names of all session variables.
21. Which of the following package offers Meteor apps with user authentication and password management features?
- Accounts-base
- Base
- Auth-base
- Pass-base
Answer: A) Pass-base
Explanation:
The Accounts-Base package offers Meteor apps with user authentication and password management features.
22. Which of the following package is a complete toolkit for working with dates and timings in Meteor apps?
- Time
- Moment.js
- Duration.js
Answer: B) Moment.js
Explanation:
Moment.js package is a complete toolkit for working with dates and timings in Meteor apps.
23. The ____ method is used to call a server method from the client.
- Meteor.Server
- Meteor.client
- Meteor.call
Answer: C) Meteor.call
Explanation:
The Meteor.call method is used to call a server method from the client.
24. Which of the following function method compares the value of a session variable to a specified value?
- Session.compares
- Session.equals
- Session.value
Answer: B) Session.equals
Explanation:
This method compares the value of a session variable to a specified value.
25. Suppose you want to get the current user’s information on the client, then which of the following method you will use?
- App.user ()
- Meteor.auth()
- Meteor.user ()
Answer: C) Meteor.user ()
Explanation:
Meteor.user method, get the current user’s information on the client.
26. Is meteor.user() and meteor.users both are same?
- Yes
- No
Answer: B) No
Explanation:
No, they are not the same.
27. Among meteor.user() and meteor.users method which of the following is a collection that stores user information for a Meteor application?
- meteor.user()
- meteor.users
Answer: B) meteor.users
Explanation:
meteor.users method is a collection that stores user information for a Meteor application.
28. How many UI rendering libraries does Meteor supports?
- 5
- 4
- 3
- 2
Answer: C) 3
Explanation:
Meteor supports Three UI rendering libraries: Blaze, react, and Angular.
29. In meteor, Blaze is ____.
- UI rendering library
- Update tracker library
- Templating engine
Answer: A) UI rendering library
Explanation:
In meteor, blaze is UI rendering library.
30. Which of the following timer is used to execute an action just once after a predetermined length of time has passed?
- SetTimeout
- SetInterval
Answer: A) SetTimeout
Explanation:
timer is used to execute an action just once after a predetermined length of time has passed.
31. Which of the following timer is used to repeat an activity after a certain period of time has passed?
- SetTimeout
- SetInterval
Answer: B) SetInterval
Explanation:
SetInterval timer is used to repeat an activity after a certain period of time has passed.
32. ____ EJSON method converts an EJSON value to a JSON value.
- EJSON.toJSONValue
- EJSON.fromJSONValue
Answer: A) EJSON.toJSONValue
Explanation:
EJSON.toJSONValue method converts an EJSON value to a JSON value.
33. ____ function converts a JSON value to an EJSON value.
- EJSON.toJSONValue
- EJSON.fromJSONValue
Answer: B) EJSON.fromJSONValue
Explanation:
EJSON.fromJSONValue function converts a JSON value to an EJSON value.
34. Any static files that your application has to provide, like as photos, CSS files, JavaScript files, and so on, are referred to as ____
- Statis
- Resources
- 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.
35. Assets are stored in ____ folder
- Public
- Config
- Static
- Minor
Answer: A) Public
Explanation:
Assets are stored in the public folder.
36. How many important tags does the Meteor template have?
- 2
- 3
- 4
- 5
Answer: B) 3
Explanation:
The three important tags are: Head, body, and template.
37. Which of the following function renders a Blaze template into a DOM node?
- Blaze.render
- Blaze.renderWithData
- Blaze.remove
- Blaze.getData
Answer: A) Blaze.render
Explanation:
Blaze.render function renders a Blaze template into a DOM node.
38. Meteor provides the ____ package for testing.
- Tester
- Testing
- Tinytest
- AppTester
Answer: C) Tinytest
Explanation:
Meteor provides the tinytest package for testing.
39. The data is sent to the ____ through the Meteor.publish() function.
- Client
- Server
Answer: A) Client
Explanation:
The data is sent to the client through the Meteor.publish() function.
40. ____ is a Meteor framework function for subscribing to a server publication.
- Meteor.publish()
- Meteor.subscribe()
- Meteor.subs()
Answer: B) Meteor.subscribe()
Explanation:
Meteor.subscribe() is a Meteor framework function for subscribing to a server publication.
41. Which of the following method connects to the MongoDB database?
- Meteor DB
- Metor Database
- Meteor mongodb
- Meteor mongo
Answer: D) Meteor mongo
Explanation:
meteor mongo method connects to the MongoDB database.
42. Which of the following method replaces an existing document in the Collection?
- New
- Update
- Replace
Answer: B) Update
Explanation:
The update method replaces an existing document in the Collection.
43. When the Meteor application starts, the ____ function is used to run code on the server.
- Meteor.new
- Meteor.Restart
- Meteor.start
- Meteor.startup
Answer: D) Meteor.startup
Explanation:
When the Meteor application starts, the Meteor.startup function is used to run code on the server.
44. Which of the following commands is used to check the packages installed in a Meteor application?
- Meteor pack
- Meteor list
- Meteor packages
- Meteor all_packages
Answer: B) Meteor list
Explanation:
Meteor list commands are used to check the packages installed in a Meteor application.
45. Which of the following is the default templating engine?
- Blaze
- React
- Angular
Answer: B) React
Explanation:
React is the default templating engine before it was a blaze.
46. Which of the following package is used to send emails in the meteor framework?
- Email-client
- Email-user
Answer: A) Email
Explanation:
email package is used to send emails in the meteor framework.
47. The email is then sent to the recipient using the ____ function.
- Email.client
- Email.dispatch
- Email.send
- Email.post
Answer: C) Email.send
Explanation:
The email is then sent to the recipient using the Email.send function.
48. Is there built-in support for Cross-Origin Resource Sharing in Meteor?
- Yes
- No
Answer: A) Yes
Explanation:
Yes, Meteor provides built-in support for Cross-Origin Resource Sharing (CORS).
49. Which of the following companies uses the Meteor framework?
- Mazda
- IONIQ Electric
- Honeywell
- Dispatch
- All of the above
Answer: E) All of the above
Explanation:
The following are companies use meteor framework:
- Mazda
- IONIQ Electric
- Honeywell
- Dispatch
50. What are the alternatives to the Meteor framework?
- Node.js
- Laravel
- Django
- React
- All of the above
Answer: E) All of the above
Explanation:
Following are the alternatives of the meteor framework:
- Node.js
- Laravel
- Django
- React