Can you have confidentiality without integrity b Suppose N people want to

Can you have confidentiality without integrity b

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Can you have confidentiality without integrity? b. Suppose N people want to communicate with each of N – 1 other people using symmetric key encryption. All communication between any two people, i and j, is visible to all other people in this group of N, and no other person in this group should be able to decode their communication. How many keys are required in the
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system as a whole? Now suppose that public key encryption is used. How many keys are required in this case? c. How would a network manager benefit from having network management tools? Briefly mention three (3) scenarios? d. Define the following terms: i. Managing entity ii. Managed device iii. Management agent iv. Network management protocol. v. Management Information Base vi. b. List the 5 areas of Network management as defined by the International Organization for Standardization (ISO). e. Define the following terms i. Software Defined Networking (SDN) ii. Content Delivery Network (CDN) f. Mention the 3 categories of multimedia applications g. What is the difference between end-to-end delay and packet jitter? What are the causes of packet jitter? h. Why is a packet that is received after its scheduled playout time considered lost? i. CDNs typically adopt one of two different server placement philosophies. Name these two (2) philosophies.
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