Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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This question is related to distributed systems in computer science (network and security)

Question 5. This question concerns networking and security in distributed systems. a. A VPN could provide secure access across the Internet to the database servers in Figure 1. Using this as an example, explain briefly how an overlay network differs from the Internet. b. A hacker gains direct physical access to the LAN in Figure 1. The database servers hold sensitive business information include details of clients and new orders. What are the main security threats in this situation and what specific problems could the hacker create? Explain how encryption could be used to mitigate some or all of these threats. What other security measures (if any) would be required and why?
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Transcribed Image Text:Question 5. This question concerns networking and security in distributed systems. a. A VPN could provide secure access across the Internet to the database servers in Figure 1. Using this as an example, explain briefly how an overlay network differs from the Internet. b. A hacker gains direct physical access to the LAN in Figure 1. The database servers hold sensitive business information include details of clients and new orders. What are the main security threats in this situation and what specific problems could the hacker create? Explain how encryption could be used to mitigate some or all of these threats. What other security measures (if any) would be required and why?
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