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8. A cycle in a resource-allocation graph is: A) a necessary and sufficient condition for deadlock in the case that each resource has more than one instance B) a necessary and sufficient condition for a deadlock in the case that each resource has exactly one instance C) a sufficient condition for a deadlock in the case that each resource has more than once instance D) is neither necessary nor sufficient for indicating deadlock in the case that each resource has exactly one instance 9. To handle deadlocks, operating systems most often: A) pretend that deadlocks never occur B) use protocols to prevent or avoid deadlocks C) detect and recover from deadlocks D) None of the above

8. A cycle in a resource-allocation graph is: A) a necessary and sufficient condition for deadlock in the case that each resource has more than one instance B) a necessary and sufficient condition for a deadlock in the case that each resource has exactly one instance C) a sufficient condition for a deadlock in the case that each resource has more than once instance D) is neither necessary nor sufficient for indicating deadlock in the case that each resource has exactly one instance 9. To handle deadlocks, operating systems most often: A) pretend that deadlocks never occur B) use protocols to prevent or avoid deadlocks C) detect and recover from deadlocks D) None of the above

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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7. In a system resource-allocation graph: A) a directed edge from a process to a resource is called an assignment edge B) a directed edge from a resource to a process is called a request edge C) a directed edge from a process to a resource is called a request edge D) None of the above
Transcribed Image Text:7. In a system resource-allocation graph: A) a directed edge from a process to a resource is called an assignment edge B) a directed edge from a resource to a process is called a request edge C) a directed edge from a process to a resource is called a request edge D) None of the above
8. A cycle in a resource-allocation graph is: A) a necessary and sufficient condition for deadlock in the case that each resource has more than one instance B) a necessary and sufficient condition for a deadlock in the case that each resource has exactly one instance C) a sufficient condition for a deadlock in the case that each resource has more than once instance D) is neither necessary nor sufficient for indicating deadlock in the case that each resource has exactly one instance 9. To handle deadlocks, operating systems most often: A) pretend that deadlocks never occur B) use protocols to prevent or avoid deadlocks C) detect and recover from deadlocks D) None of the above
Transcribed Image Text:8. A cycle in a resource-allocation graph is: A) a necessary and sufficient condition for deadlock in the case that each resource has more than one instance B) a necessary and sufficient condition for a deadlock in the case that each resource has exactly one instance C) a sufficient condition for a deadlock in the case that each resource has more than once instance D) is neither necessary nor sufficient for indicating deadlock in the case that each resource has exactly one instance 9. To handle deadlocks, operating systems most often: A) pretend that deadlocks never occur B) use protocols to prevent or avoid deadlocks C) detect and recover from deadlocks D) None of the above
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