Laravel is a widely-used PHP web application framework, known for its elegant syntax and developer-friendly features. Introduced in 2011, it offers robust tools for routing, authentication, and database interactions. Laravel promotes MVC architecture, simplifying complex tasks and fostering rapid development. Its active community and comprehensive documentation make it a top choice for web development projects.
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Practice Test
61. Which Eloquent method is used to create a new database record using a model instance?
A. save()
B. insert()
C. create()
D. store()
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Answer: save()
62. What is the purpose of the firstOrFail method in Eloquent?
A. To retrieve the first record from a table
B. To throw an exception if a record is not found
C. To retrieve all records from a table
D. To return a default value if a record is not found
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Answer: To throw an exception if a record is not found
63. In Eloquent, how do you specify the columns to retrieve from a table using the select method?
A. By passing an array of column names as arguments
B. By using the get keyword
C. By chaining the columns method
D. By specifying the columns in the model's constructor
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Answer: By passing an array of column names as arguments
64. Which Eloquent method is used to update records in a database table based on specific criteria?
A. save()
B. update()
C. modify()
D. change()
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Answer: update()
65. In Eloquent, what is the purpose of the pluck method?
A. To create a new record in the database
B. To retrieve a single column's value from the first result of a query
C. To establish a relationship between models
D. To retrieve all columns from a table
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Answer: To retrieve a single column's value from the first result of a query
66. How do you delete a record using Eloquent's delete method?
A. By calling the method on the model instance
B. By using the DROP SQL command
C. By passing the record's ID as an argument to the method
D. Deleting records is not supported in Eloquent
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Answer: By calling the method on the model instance
67. What is the purpose of Eloquent's with method in relation to eager loading?
A. To define database table structures
B. To filter query results
C. To load related data along with the main query to prevent the N+1 problem
D. To delete records from the database
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Answer: To load related data along with the main query to prevent the N+1 problem
68. What is the primary purpose of authentication in web applications?
A. To authorize users
B. To secure the application's database
C. To identify and verify users
D. To create user roles
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Answer: To identify and verify users
69. Which Laravel package provides built-in support for authentication?
A. Passport
B. Fortify
C. Sentinel
D. Sentry
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Answer: Fortify
70. In Laravel, how do you create a new authentication system with user registration and login functionality?
A. Manually write all the authentication logic
B. Use the artisan make:auth command
C. Install a third-party authentication package
D. Authentication cannot be added to Laravel
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Answer: Use the artisan make:auth command
