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COP4600 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ & PASSED
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COP4600 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ & PASSED
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Deeagles - Stuvia US COP 4600 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ & PASSED What does a process control block include? Correct Ans - Information on the process's state: process state/process number/program counter/registers/memory limits/list of open files/... Comparing virtual machines and containers, which one is more light weight and runs more efficiently? Correct Ans - Containers Which level of cache is usually owned (not shared) by CPU cores? L1, L2, or L3? Correct Ans - L1 Which of the following is not true of a Microkernel? a.) Its ore reliable. b.) Its more efficient to run programs c.) Its easier to port the operating system to new architectures. d.) Its more secure. Deeagles - Stuvia US Correct Ans - Its more efficient to run programs. Which approach is usually used by today's OS design? a.) Microkernal -based b.) Monolithic c.) Module -based d.) Layered -based Correct Ans - Module -based The _____ of a process contains temporary data such as function parameters, return addresses, and local variables. Correct Ans - Stack When a child process is created, what is a possibility in terms of the execution or address space of the child process? a.) the child runs concurrently with the parent b.) the child has a new program loaded into it c.) the child is a duplicate of the parent Correct Ans - Psych! It's all of them. What is the current most popular hypervisor on Linux? a.) XEN b.)VMWare Workstation c.) KVM Deeagles - Stuvia US d.) Virtualbox Correct Ans - KVM Which of these is not a process state? a.) running b.) ready c.) waiting d.) sleeping Correct Ans - Sleeping The list of processes waiting for a particular I/O device is called a(n) ____. Correct Ans - device queue Which is true of a message passing model? a.) It's only useful for small, simple OSs b.) It's easier to implement than a shared memory model for intercomputer communication c.) It's faster than the shared memory model d.) It's a network protocol and does not apply to OSs Correct Ans - It's easier to implement than a shared memory model for intercomputer communication The major difficulty in designing a layered operating system approach is... Deeagles - Stuvia US a.) Making sure each layer is easily converted to modules. b.) Debugging a particular layer. c.) Appropriately defining the various layers. Correct Ans - Appropriately defining the various layers. Which of the following is true of a microkernel? a.) It's stripped of all nonessential components. b.) It's compiled to produce the smallest size possible when stored to a disk. c.) It contains many components that are optimized to reduce resident memory size. d.) It's compressed before lading in order to reduce its resident memory size. Correct Ans - It's stripped of all nonessential components. Which of the following is not a benefit of virtual machines? a.) It protects the host system from guest OSs b.) It has the ability to run several different operating systems that all share the same hardware. c.) It uses less physical memory than an actual OS d.) It has the ability to concurrently run several different OSs Correct Ans - It uses less physical memory than an actual OS Through which of the following can you NOT pass parameters from an application to a system call? a.) Cache memoryThe benefits of buying summaries with Stuvia:
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