Java Encapsulation and Data Hiding
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Questions and Answers

What does information security aim to preserve?

  • The confidentiality, integrity, and availability of information (correct)
  • The accessibility of public websites
  • The secrecy of hardware and software systems
  • The speed and efficiency of information processing

Which of the following is an example of a breach of confidentiality?

  • A patient's medical records posted on a hospital's public website (correct)
  • Encrypting an email to protect its content
  • The deletion of a file containing confidential information from a USB drive
  • Establishing access control lists for data protection

Which security principle involves protecting data from unauthorized access and use?

  • Integrity
  • Confidentiality (correct)
  • Authentication
  • Availability

What are some examples of confidentiality controls?

<p>Encrypting an email to protect its content (B)</p> Signup and view all the answers

Which action represents a breach of integrity?

<p>Deleting a file containing confidential information from a USB drive (C)</p> Signup and view all the answers

What is the security principle that ensures information is only disclosed or made available to authorized users?

<p>Confidentiality (B)</p> Signup and view all the answers

Which security principle focuses on ensuring that information is only modified in an authorized manner?

<p>Integrity (D)</p> Signup and view all the answers

Which security principle ensures that information is accessible by authorized users whenever required?

<p>Availability (D)</p> Signup and view all the answers

Which term refers to the process of verifying the identity of a user or system?

<p>Authentication (B)</p> Signup and view all the answers

What is the term for the process of granting access to resources based on an individual's role or job function?

<p>Authorization (D)</p> Signup and view all the answers

What is the primary purpose of encapsulation in Java?

<p>To limit access to data from outside the class (D)</p> Signup and view all the answers

How does encapsulation contribute to better code reuse in Java?

<p>By ensuring that the encapsulated code can be applied in other systems (C)</p> Signup and view all the answers

What is the role of data hiding in encapsulation?

<p>To prevent access to private variables from outside the class (B)</p> Signup and view all the answers

In terms of security, how does encapsulation help with increased protection?

<p>By concealing implementation details from the outside world (A)</p> Signup and view all the answers

What aspect of program design does encapsulation in Java enhance?

<p>Program design by allowing division into smaller, independent pieces (A)</p> Signup and view all the answers

Which statement best describes the relationship between encapsulation and program maintenance?

<p>Encapsulation improves program maintenance by facilitating changes within the encapsulated unit (B)</p> Signup and view all the answers

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