3. a. b. C. Discuss any TWO (2) techniques used to distribute keys in symmetric encryption....

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3. a. b. C. Discuss any TWO (2) techniques used to distribute keys in symmetric encryption. Describe THREE (3) applications of Public-Key cryptography. Refer to the hypothetical network layout in FIGURE Q3. DNS Server i. Switch ii. Mail Server Work place Web Server Router Switch Work place Work place FIGURE Q3 4 Firewall [4 marks] Internet [6 marks] From security point of view, explain why it is a good strategy to separate servers and workstations into different segments of the network. [4 marks] TEB2213 Sometimes a network is attacked from the inside of the security perimeter. Propose a solution for this possible problem by redesigning the above network and justify your design. [6 marks] 3. a. b. C. Discuss any TWO (2) techniques used to distribute keys in symmetric encryption. Describe THREE (3) applications of Public-Key cryptography. Refer to the hypothetical network layout in FIGURE Q3. DNS Server i. Switch ii. Mail Server Work place Web Server Router Switch Work place Work place FIGURE Q3 4 Firewall [4 marks] Internet [6 marks] From security point of view, explain why it is a good strategy to separate servers and workstations into different segments of the network. [4 marks] TEB2213 Sometimes a network is attacked from the inside of the security perimeter. Propose a solution for this possible problem by redesigning the above network and justify your design. [6 marks]

Answer rating: 100% (QA)

3 a Two techniques to distribute keys in symmetric encryption are 1 Key Distribution Centers KDCs A KDC manages the generation storage and distribution of keys When a user or node on the network needs ... View the full answer