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Question 1 Differentiate and exemplify the following terms related to clusters: a. Compact versus slack clusters b. Centralized versus decentralized clusters c. Homogeneous versus heterogeneous clusters d. Enclosed versus exposed clusters e. Dedicated versus enterprise clusters Question 2 Define and distinguish among the following terms on scalability: a. Scalability over machine size b. Scalability over problem size c. Resource scalability d. Generation scalability Question 3 Study various SSI features and HA support for clusters and answer the following questions, providing reasons for your answers. Identify some example cluster systems that are equipped with these features. Comment on their implementation requirements and discuss the operational obstacles to establish each SSI feature in a cluster system. a. Single entry point in a cluster environment b. Single memory space in a cluster system c. Single file hierarchy in a cluster system d. Single 1/0 space in a cluster system e. Single virtual networking in a cluster system f. Single networking in a cluster system Single point of control in a cluster system h. Single job management in a cluster system Page 1 Parallel and Distributed Computing i. Single user interface in a cluster system j. Single process space in a cluster system