Topic is Operating Systems.

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QUESTION 19 (T/F) In Solaris a ULT in the active state is assigned to a light weight process that executes while an underlying kernel thread executes. OA. True OB. False QUESTION 20 (T/F) In a multi-processor system, each processor has at least one level of cache memory that is private to that processor. OA. True OB. False QUESTION 21 One processor executing one instruction stream operating on data stored in a single memory chunk is called a OA. Single Instruction Single Data (SISD) stream. OB. Single Instruction Multiple Data (SIMD) stream. Oc. Multiple Instruction Single Data (MISD) stream D. None of the above QUESTION 22 The basic form of communication between processes in a microkernel is OA. shared memory. OB. message passing. OC. semaphores. OD. all of the above QUESTION 23 Solaris uses a combined approach for threads, where one ULT is mapped to one KLT. Under a more general combined approach, OA. multiple ULTS could be mapped to a single KLT. OB. a single Ult can be mapped to multiple KLTS. QUESTION 24 In Linux a process that has been terminated but still has an entry in the process table is... A. in a dead state. B. a zombie. Oc. an orphan. OD. deadlocked. th QUESTION 25 In a user-level thread (ULT) model OA. multiple threads map to a single process thread (M:1). OB. the kernel is not aware of the existence of multiple threads. Oc. the kernel is aware of multiple threads only when they are created. OD. individual threads within the process are not schedulable by the kernel. check