無料Lpi 030-100試験問題と解答トレーニングを提供しています
トップクラスLpi 030-100オンライン問題集
質問 # 26
How can you access query parameters in an Express.js route handler?
- A. req.params
- B. req.url
- C. req.query
- D. req.body
正解：C
質問 # 27
Which CSS property is used to specify the stacking order of positioned elements?
- A. display
- B. z-index
- C. position
- D. align-items
正解：B
質問 # 28
Which programming paradigms are characterized by the use of functions, procedures, and objects?
(Choose three)
- A. Functional programming
- B. Procedural programming
- C. Assembly language programming
- D. Object-oriented programming
正解：A、B、D
質問 # 29
In Express.js, how do you send a static file as a response to a client request?
- A. res.redirect(filepath)
- B. res.sendFile(filepath)
- C. res.static(filepath)
- D. res.render(filepath)
正解：B
質問 # 30
Which of these statements about SQL is true? (Choose two)
- A. SQL is case-sensitive when it comes to commands and table names.
- B. SQL can query a database and retrieve information stored in it.
- C. SQL can insert, update, or delete records in a database.
- D. SQL is a programming language primarily used for creating websites.
正解：B、C
質問 # 31
In programming, what is a library?
- A. A collection of precompiled routines that a program can use
- B. A tool for version control
- C. An IDE feature that helps in debugging code
- D. A protocol for transferring source code over the internet
正解：A
質問 # 32
What is the primary feature of a Single-Page Application (SPA)?
- A. It is used only for mobile applications
- B. It cannot integrate with APIs
- C. It dynamically updates the current page without reloading
- D. It reloads the entire page for every user interaction
正解：C
質問 # 33
Which of these are commonly used open source database management systems? (Choose two)
- A. Microsoft SQL Server
- B. Oracle Database
- C. MySQL
- D. PostgreSQL
正解：C、D
質問 # 34
In SQL, what is the function of the LIMIT clause?
- A. To group rows that have the same values in specified columns
- B. To specify the join conditions between tables
- C. To sort the result set in ascending or descending order
- D. To restrict the number of rows returned by a query
正解：D
質問 # 35
Which of the following are common web development technologies and standards? (Choose two)
- A. JavaScript
- B. PCIe interface
- C. HTML/CSS
- D. Bluetooth communication
正解：C
質問 # 36
In HTML, what is the purpose of the alt attribute in an <img> tag?
- A. To specify a secondary image
- B. To provide a text alternative for the image
- C. To change the image source
- D. To apply styles to the image
正解：B
質問 # 37
When adding an image to an HTML document, which attribute is essential for accessibility?
- A. alt
- B. href
- C. title
- D. src
正解：A
質問 # 38
In Node.js, what is the main advantage of using asynchronous operations?
- A. They automatically optimize memory usage.
- B. They make code execution faster.
- C. They allow the Node.js server to handle multiple requests simultaneously.
- D. They enforce strong typing in JavaScript.
正解：C
質問 # 39
What is the primary use of an <iframe> in HTML?
- A. To create a nested browsing context within an HTML page
- B. To link to external JavaScript files
- C. Both To create a nested browsing context within an HTML page and To display a section of another webpage within the current page
- D. To display a section of another webpage within the current page
正解：C
質問 # 40
Which of the following are valid input types in HTML? (Choose two)
- A. file
- B. date
- C. image
- D. upload
正解：A、B
質問 # 41
Which of the following are true about compilers and interpreters? (Choose two)
- A. Interpreters execute the source code line by line during runtime.
- B. Compilers convert source code into machine code before runtime.
- C. Compilers are used to enhance the security of a source code.
- D. Interpreters translate the entire program at once and then execute it.
正解：A、B
質問 # 42
What is a primary key in an SQL database?
- A. A password to access the database
- B. The highest value in a table
- C. A unique identifier for each row in a table
- D. The main field used for joining tables
正解：C
質問 # 43
How are HTTP URLs typically mapped to file system paths on a web server?
- A. By encrypting the URL into a file path
- B. According to the server's directory structure and configuration files
- C. By using the Domain Name System (DNS)
- D. Through the server's firewall settings
正解：B
質問 # 44
In the context of HTML forms, what is the purpose of the action attribute?
- A. It specifies the type of action to be performed when the form is submitted.
- B. It determines the method used to send form data.
- C. It defines the URL to which the form data will be sent.
- D. It sets the value of the submit button.
正解：C
質問 # 45
What is the correct syntax for a CSS rule?
- A. selector -> { property : value; }
- B. { selector : property = value; }
- C. selector { property : value }
- D. selector { property = value; }
正解：C
質問 # 46
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LPI 030-100試験は、Linuxを使用したWeb開発の知識とスキルを証明したいウェブ開発者にとって必須の認定です。Web開発のトピックを包括的にカバーし、LinuxベースのWebサーバーやアプリケーションに焦点を当てた実践的な内容により、個人のウェブ開発のキャリアを進め、成長と発展の新たな可能性を開拓するための優れた手段となります。
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