Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- What distinguishes authorization from authentication? In certain systems, allowing authorisation without requiring authentication is possible. This must have a cause, or an explanation why it doesn't.arrow_forwardHow can the advantages and disadvantages of various systems of authentication be separated in terms of security?arrow_forwardRespond to the following in a minimum of 175 words: Discuss a cryptography attack scenario. Choose an attack and explain how it works. Be sure to choose one that hasn’t been mentioned by another classmate. What countermeasures would you apply? How do the countermeasures you would use compare to those your classmates recommended for the attacks they chose? What do those similarities or differences tell you about fighting these types of attacks?arrow_forward
- Systems for challenge-response authentication must be well described. What makes it more secure than a password-based approach is not immediately obvious, but it does.arrow_forwardIs it feasible to distinguish between various authentication mechanisms in terms of safety?arrow_forwardIs it feasible to distinguish between various authentication mechanisms in terms of safety?arrow_forward
- When comparing authentication and authorization, what distinctions should you make? In certain systems, authorisation may be granted without first requiring authentication. Why this isn't the case, or why there must be a cause, is a question that needs answering.arrow_forwardAre there any particular instances where multifactor authentication has been used? What are a few advantages of using complicated passwords?arrow_forwardWhen comparing authentication and authorization, what distinctions should you make? In certain systems, authorisation may be granted without first requiring authentication. Why this isn't the case, or why there must be a cause, is a question that needs answering.arrow_forward
- What distinguishes authorization from authentication? In certain systems, allowing authorisation without requiring authentication is possible. This must have a cause, or an explanation why it doesn't.arrow_forwardWhat distinguishes authorization from authentication? In certain systems, allowing authorisation without requiring authentication is possible. This must have a cause, or an explanation why it doesn't.arrow_forwardWhat are the differences between authentication and authorisation? Allowing authorization without the need for authentication is achievable in some systems. There must be a reason for this, or why it isn't.arrow_forward
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