[&] What tool or technique can be used to detect XML injection vulnerabilities?
- Using TLS encryption
- Implementing a CAPTCHA
- Input validation using meta characters -- Correct
- Increasing server RAM

[&] What is XML injection?
- A way to manipulate XML data to change application behavior -- Correct
- A technique used in XML document formatting
- A way to improve XML document efficiency
- A method to protect XML documents from tampering

[&] Which applications are most susceptible to XML injection attacks?
- Applications that use text-based input
- Applications using plain HTML forms
- Applications accepting XML input via APIs or forms -- Correct
- Applications that do not require login credentials

[&] What is the impact of injecting ampersand without an entity name in XML?
- It modifies existing XML data
- It increases XML document readability
- It bypasses XML authentication
- It triggers an XML processing error -- Correct

[&] What is the primary focus of XML tag injection?
- Adding comments to XML tags
- Injecting new data attributes
- Enhancing XML document readability
- Modifying the structure of an XML document -- Correct

[&] Which of the following is a key outcome of successful XML injection?
- Unauthorized access or data manipulation -- Correct
- Reduction of XML document size
- Enhanced encryption of XML data
- Improved application speed