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(25%) An administrator of a computer network asked his employer to purchase a new computer with an improved sound system. He wants to transfer his data collection from an old computer to the new one using a local network as shown below, where node O denotes the old computer and N denotes the new computer. B 4 4 3 E 4 N The numbers labeled on each data link (edge) specify the maximum transfer rate of that link. We assume that each link can transfer data in either direction, but not in both directions simultaneously. For example, through the link (A, B), one can either send data from A to B at any rate from 0 to 1, or send data from B to A at any rate from 0 to 1. Moreover, all data entering nodes A, B,..., E has to be sent further immediately, which indicates that the maximum transfer rate cannot be used on all links simultaneously (consider node A for an example). Therefore, we have to find an appropriate value of the data flow for each link so that the total transfer rate from O to N is maximum. Please transform this problem into a linear programming problem. Study the below Pooling Storage system diagram and answer the the following questions: a) Explain in detail what you understand from the below diagram about the Pooling system and services (3 marks) b) Is it possible to add more consumers to this system, what is the limit to add consumers, explain (2 marks) Assigned to Consumer A Hypervisor Resource Allocation APP OS Processing power = 1500 MH Memory Capacity = 2 GB VM Compute System 1 Memory Capacity = 6 GB Hypervisor Resource Allocation APP Processing Power = 4000 MHz OS VM Processing power = 1500 MH Memory Capacity = 2 GB Service A Service B Compute System 2 Processing Power = 4000 MHz Resource Allocation APP Memory Capacity = 6 GB OS VM Hypervisor Resource Allocation APP OS VM Compute System 3 | Processing Power = 4000 MHz Memory Capacity = 6 GB Resource Allocation APP OS VM Processor Pool: Processing Power = 12000 MHz Memory Pool: Memory Capacity = 18 GB Processing power = 1500 MH Memory Capacity = 2 GB Processing power = 1500 MH Memory Capacity = 2 GB Processing power = 1500 MH Memory Capacity = 2 GB Assigned to Consumer B (25%) An administrator of a computer network asked his employer to purchase a new computer with an improved sound system. He wants to transfer his data collection from an old computer to the new one using a local network as shown below, where node O denotes the old computer and N denotes the new computer. B 4 4 3 E 4 N The numbers labeled on each data link (edge) specify the maximum transfer rate of that link. We assume that each link can transfer data in either direction, but not in both directions simultaneously. For example, through the link (A, B), one can either send data from A to B at any rate from 0 to 1, or send data from B to A at any rate from 0 to 1. Moreover, all data entering nodes A, B,..., E has to be sent further immediately, which indicates that the maximum transfer rate cannot be used on all links simultaneously (consider node A for an example). Therefore, we have to find an appropriate value of the data flow for each link so that the total transfer rate from O to N is maximum. Please transform this problem into a linear programming problem. Study the below Pooling Storage system diagram and answer the the following questions: a) Explain in detail what you understand from the below diagram about the Pooling system and services (3 marks) b) Is it possible to add more consumers to this system, what is the limit to add consumers, explain (2 marks) Assigned to Consumer A Hypervisor Resource Allocation APP OS Processing power = 1500 MH Memory Capacity = 2 GB VM Compute System 1 Memory Capacity = 6 GB Hypervisor Resource Allocation APP Processing Power = 4000 MHz OS VM Processing power = 1500 MH Memory Capacity = 2 GB Service A Service B Compute System 2 Processing Power = 4000 MHz Resource Allocation APP Memory Capacity = 6 GB OS VM Hypervisor Resource Allocation APP OS VM Compute System 3 | Processing Power = 4000 MHz Memory Capacity = 6 GB Resource Allocation APP OS VM Processor Pool: Processing Power = 12000 MHz Memory Pool: Memory Capacity = 18 GB Processing power = 1500 MH Memory Capacity = 2 GB Processing power = 1500 MH Memory Capacity = 2 GB Processing power = 1500 MH Memory Capacity = 2 GB Assigned to Consumer B
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Auditing Cases An Interactive Learning Approach
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