030-100試験問題を今すぐ試そう!最新の[2025年最新] 正解回答付き [Q24-Q39]

Share

030-100試験問題を今すぐ試そう!最新の[2025年最新] 正解回答付き

練習できる030-100には認定ガイド問題と解答とトレーニングを提供しています


LPI 030-100認定試験は、LinuxベースのWeb開発でスキルを検証しようとしている専門家にとって貴重な認定です。この認定は、クライアント側のスクリプティング、サーバー側のスクリプティング、データベース、Webセキュリティなど、重要なWeb開発の概念をカバーしています。この認定試験の準備と合格により、専門家はこれらの分野での専門知識を実証し、収益の可能性とキャリアの機会を増やすことができます。

 

質問 # 24
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:A


質問 # 25
What is the fundamental difference between relational and non-relational (NoSQL) databases?

  • A. Relational databases are only used in web development
  • B. Relational databases are based on table structures, while non-relational databases are not
  • C. Non-relational databases are not capable of storing large amounts of data
  • D. Non-relational databases do not use SQL for querying

正解:B


質問 # 26
In HTML, which attribute is used to link to an external CSS file?

  • A. type
  • B. src
  • C. href
  • D. rel

正解:C


質問 # 27
What is the primary role of HTTPS and TLS in web communications?

  • A. To increase the speed of data transfer
  • B. To compress data to reduce bandwidth usage
  • C. To secure communications between client and server
  • D. To convert static content to dynamic content

正解:C


質問 # 28
In SQL, what is the function of the LIMIT clause?

  • A. To specify the join conditions between tables
  • B. To sort the result set in ascending or descending order
  • C. To restrict the number of rows returned by a query
  • D. To group rows that have the same values in specified columns

正解:C


質問 # 29
Which CSS property is used to specify the stacking order of positioned elements?

  • A. align-items
  • B. z-index
  • C. display
  • D. position

正解:B


質問 # 30
What is a primary key in an SQL database?

  • A. A password to access the database
  • B. The main field used for joining tables
  • C. A unique identifier for each row in a table
  • D. The highest value in a table

正解:C


質問 # 31
What is the primary difference between HTTP GET and POST methods?

  • A. GET is secure, while POST is not.
  • B. GET sends data in the header, while POST sends data in the request body.
  • C. GET requests can be bookmarked, while POST requests cannot.
  • D. GET is used to upload files, while POST is used to download files.

正解:B


質問 # 32
Which of these statements about SQL is true? (Choose two)

  • A. SQL is a programming language primarily used for creating websites.
  • B. SQL can query a database and retrieve information stored in it.
  • C. SQL is case-sensitive when it comes to commands and table names.
  • D. SQL can insert, update, or delete records in a database.

正解:B、D


質問 # 33
Which of these are commonly used open source database management systems? (Choose two)

  • A. Microsoft SQL Server
  • B. PostgreSQL
  • C. MySQL
  • D. Oracle Database

正解:B、C


質問 # 34
Which CSS property is used to set the width of an element's border?

  • A. border-style
  • B. border-width
  • C. border-length
  • D. border-radius

正解:B


質問 # 35
What is the primary purpose of using EJS in an Express.js application?

  • A. To allow server-side rendering of HTML with embedded JavaScript
  • B. To serve static files efficiently
  • C. To handle HTTP POST requests
  • D. To manage database connection

正解:A


質問 # 36
How do you execute an SQL query in a NodeJS application?

  • A. With the runQuery() function
  • B. Using the query() method of the database connection object
  • C. By invoking the sql.execute() function
  • D. Using the execute() method of the database connection object

正解:B


質問 # 37
Which of the following is a best practice to prevent SQL injection in NodeJS?

  • A. Storing database credentials in the code
  • B. Concatenating user inputs directly into SQL queries
  • C. Using regular expressions to sanitize input
  • D. Employing prepared statements or parameterized queries

正解:D


質問 # 38
Which units are commonly used in CSS for responsive design? (Choose two)

  • A. Relative units (em, rem, vw, vh)
  • B. Pixels (px)
  • C. Kilograms (kg)
  • D. Centimeters (cm)

正解:A、B


質問 # 39
......

試験準備には欠かさない!トップクラスのLpi 030-100試験アプリ学習ガイド練習問題最新版:https://www.jpntest.com/shiken/030-100-mondaishu

無料Lpi 030-100テスト練習問題試験問題集:https://drive.google.com/open?id=1x1Mv55hdhsFaUQWcV_x2_7hODx1rcHm8

弊社を連絡する

我々は12時間以内ですべてのお問い合わせを答えます。

オンラインサポート時間:( UTC+9 ) 9:00-24:00
月曜日から土曜日まで

サポート:現在連絡