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EITCA Academy

EITCA Academy

The European Information Technologies Certification Institute - EITCI ASBL

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EITCI Institute ASBL

Brussels, European Union

Governing European IT Certification (EITC) framework in support of the IT professionalism and Digital Society

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Questions and answers designated by tag: Error Messages

How can we display error messages in a form using PHP?

Tuesday, 08 August 2023 by EITCA Academy

To display error messages in a form using PHP, you can utilize various techniques and functions provided by the PHP programming language. Error messages play a important role in web development as they help users identify and rectify any issues or mistakes in their input. In this answer, we will explore different methods to handle

  • Published in Web Development, EITC/WD/PMSF PHP and MySQL Fundamentals, Errors handling in PHP, Showing errors, Examination review
Tagged under: Error Handling, Error Messages, Error Reporting, Form Validation, PHP, Web Development

What is the purpose of the "errors" array in error handling in PHP?

Tuesday, 08 August 2023 by EITCA Academy

The "errors" array in error handling in PHP serves a important purpose in the process of identifying and managing errors that occur during the execution of a PHP script. It plays a significant role in providing developers with valuable information about the nature and location of errors, facilitating the debugging process and ensuring the smooth

  • Published in Web Development, EITC/WD/PMSF PHP and MySQL Fundamentals, Errors handling in PHP, Showing errors, Examination review
Tagged under: Debugging, Error Handling, Error Messages, PHP, Web Development

How can the disclosure of detailed error messages and stack traces in web applications impact security?

Saturday, 05 August 2023 by EITCA Academy

The disclosure of detailed error messages and stack traces in web applications can have a significant impact on security. Error messages and stack traces are often generated by web servers and programming frameworks to assist developers in diagnosing and fixing issues during application development and testing. However, when these error messages and stack traces are

  • Published in Cybersecurity, EITC/IS/WASF Web Applications Security Fundamentals, Server security, Local HTTP server security, Examination review
Tagged under: Cybersecurity, Error Messages, Information Leakage, Secure Coding Practices, Stack Traces, Web Application Security

What are side channels in the context of web applications, and how can they be exploited by attackers?

Saturday, 05 August 2023 by EITCA Academy

Side channels in the context of web applications refer to unintended channels through which information can be leaked or obtained by attackers. These channels are not part of the intended functionality of the application, but they can be exploited by attackers to gain sensitive information or perform unauthorized actions. There are several types of side

  • Published in Cybersecurity, EITC/IS/WASF Web Applications Security Fundamentals, DoS, phishing and side channels, Denial-of-service, phishing and side channels, Examination review
Tagged under: Cybersecurity, Error Messages, Network-based Attacks, Side-Channel Attacks, Timing Side Channels, Web Application Security

What does the query validator in the Query Editor indicate?

Thursday, 03 August 2023 by EITCA Academy

The query validator in the Query Editor of Google Cloud Platform's BigQuery Web UI serves as a valuable tool for ensuring the accuracy and validity of queries executed within the platform. When a query is entered into the Query Editor, the query validator analyzes the syntax and structure of the query to identify any potential

  • Published in Cloud Computing, EITC/CL/GCP Google Cloud Platform, Getting started with GCP, Running a query with BigQuery Web UI, Examination review
Tagged under: BigQuery, Cloud Computing, Error Messages, Google Cloud Platform, Query Editor, Query Optimization, Query Validation, Syntax Errors
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EITCA Academy is a part of the European IT Certification framework

The European IT Certification framework has been established in 2008 as a Europe based and vendor independent standard in widely accessible online certification of digital skills and competencies in many areas of professional digital specializations. The EITC framework is governed by the European IT Certification Institute (EITCI), a non-profit certification authority supporting information society growth and bridging the digital skills gap in the EU.

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