Digital Signatures and Blockchain Technology Quiz
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Questions and Answers

Which security measure is associated with ensuring Integrity in information security?

  • Hash Functions (correct)
  • Encryption
  • Availability
  • Access Controls

What is the primary goal of Confidentiality in information security?

  • To ensure information is accessible when needed
  • To verify data integrity through checksums
  • To prevent unauthorized access or exposure of sensitive information (correct)
  • To ensure the reliability of information

How does Availability contribute to the CIA Triad principles of information security?

  • By ensuring the reliability of information
  • By preventing unauthorized access or exposure of sensitive information
  • By restricting access to authorized users
  • By ensuring that information is accessible when needed (correct)

Which principle protects against unauthorized access in the CIA Triad framework?

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

What technology can be used to transform data into a secure format for maintaining Confidentiality?

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

In what way does Integrity ensure the reliability of information in information security?

<p>By verifying data integrity through checksums (C)</p> Signup and view all the answers

What is the goal of implementing digital signatures in communication or transactions?

<p>To provide evidence of involvement that cannot be denied later (D)</p> Signup and view all the answers

How does Role-Based Access Control (RBAC) differ from Mandatory Access Control (MAC) and Discretionary Access Control (DAC)?

<p>RBAC focuses on restricting access based on individual user permissions (B)</p> Signup and view all the answers

What is the primary purpose of an audit trail in information security?

<p>To log and track user activities and interactions (D)</p> Signup and view all the answers

How does access control differ from authorization?

<p>Authorization determines who can access a system, while access control focuses on resource management (C)</p> Signup and view all the answers

In information security, what is the main objective of access control mechanisms?

<p>To ensure that only authorized individuals or entities have the right level of access (B)</p> Signup and view all the answers

What role does blockchain technology play in ensuring secure transactions?

<p>It provides a decentralized and tamper-resistant ledger for transactions (C)</p> Signup and view all the answers

What does authorization specifically deal with in access control?

<p>Granting or denying permissions to authenticated users (B)</p> Signup and view all the answers

What is the main trade-off between security and functionality mentioned in the text?

<p>Strict security policies making systems unavailable to legitimate users (D)</p> Signup and view all the answers

How does focusing on only one principle in the CIA triad affect system design?

<p>It may lead to non-conformance with other principles (B)</p> Signup and view all the answers

What is a vulnerability in the context of information security?

<p>A weakness or flaw that can be exploited by threat actors (A)</p> Signup and view all the answers

Why is identifying and addressing vulnerabilities crucial in information security?

<p>To maintain a secure and resilient information environment (D)</p> Signup and view all the answers

When does authorization come into play in the access control process?

<p>After access control has verified the user's identity (D)</p> Signup and view all the answers

What is the primary goal of ensuring availability in information security?

<p>Prevent disruptions and ensure continuous access to critical services (C)</p> Signup and view all the answers

Which method is an example of implementing authentication in information security?

<p>Using unique physical or behavioral characteristics for identity verification (B)</p> Signup and view all the answers

What is the purpose of redundancy in ensuring availability?

<p>Minimize downtime by duplicating critical systems (A)</p> Signup and view all the answers

Which element of information security involves confirming the entity claiming an identity is indeed who or what it claims to be?

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

In information security, what is the primary function of disaster recovery plans?

<p>Preparing for and recovering from disruptive events (C)</p> Signup and view all the answers

Which example demonstrates the implementation of availability in information security?

<p>Implementing redundant servers for a website to ensure continuous access (C)</p> Signup and view all the answers

What is the primary focus of a traffic analysis attack in terms of gaining information?

<p>Analyzing metadata and behavioral patterns (B)</p> Signup and view all the answers

How does randomizing timing and sizes of data transmissions help prevent traffic analysis attacks?

<p>It makes it more challenging for attackers to identify patterns (B)</p> Signup and view all the answers

What is the primary purpose of using Virtual Private Networks (VPNs) in preventing traffic analysis attacks?

<p>Encrypting the entire communication channel (C)</p> Signup and view all the answers

What distinguishes an active attack from a passive attack in terms of system harm?

<p>Active attacks always damage the execution system (A)</p> Signup and view all the answers

Which type of attack is a danger to integrity as well as availability?

<p>Active Attack (C)</p> Signup and view all the answers

What is the main focus of a traffic analysis attack compared to other cyber attacks?

<p>Analyzing patterns, volumes, and timings of data transmissions (A)</p> Signup and view all the answers

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