For the given Regular expression, the minimum number of variables including starting variable required to derive its grammar is: (011+1)*(01)* a) 4 b) 3 c) 5 d) 6 This change will then be propagated throughout the domain. a) Job Queue b) PCB queue c) Device Queue d) Ready Queue View Answer. Ans: B Update the process control block of the selected process. Rather, control returns to the caller, and the caller keeps executing on the current thread. I know a great way to find out. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. a. This includes updating the process state to running. Conceptually, each process has its own virtual CPU. Give the difference between Process and Program. The ................... is a device that connects n inputs to m outputs. Of course, if the current caller was the only thing on this thread, then the thread is done. To learn more, see our tips on writing great answers. C. Multiple threaded processes use fewer resources. A. Thread switching does not need to interact with operating system. In how many ways Threads are implemented? Or this is purely based on time slicing and all share gets their equal share of cpu (no matter if they are cpu bound or IO bound). d.  VTP can be used to propagate the VLAN to instance mappings As far as I know, in case of sync IO, while IO takes place, thread goes into sleep mode. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Why Is an Inhomogenous Magnetic Field Used in the Stern Gerlach Experiment? The questions asked in this NET practice paper are from various previous year papers. b. e.  HSRP priority uses the same concept as STP bridge priority – interface with lower value priority has more chance to become the primary router CPU Scheduling is the basis of _________ operating system. The steps involved in context switching are as follows: 1. No – This command only needs to be issued on one of the servers. Does Async-await saves only memory consumption(by creating lesser threads). (And async IO does not use a thread while it's running so all of this is based on a false assumption.). Question:—Native VLAN mismatch detection is provided by the 802.1Q protocol site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Implementation is by a thread library at the user level. I know a great way to find out. But I am confused in some use cases: Should we use async methods for the very fast IO method, like cache read/write method? Here, async IO does not help performance at all. It is created when execution starts and. 8. Pushing the same work to a different thread certainly does not help with throughput. Question:—-You must configure “vtp pruning” on all switches in the domain 4. Which of the following is true about kernal level thread? Normally it means that the CPU must wait for the hardware. Explanation: User-level threads are faster to create and manage is true about user level thread. The number of processes completed per unit time is known as __________. Let's consider two banks with lots of customers and lots of employees. Context switching can kill up to 80% of your productive time (here’s what to do about it) Posted: May 30, 2019 February 20, 2020 By: Jory MacKay Category: Time Management, Workplace Productivity. c.  Yes – pruning is not an extension to the VTP protocol, therefore needs to be configured manually on all servers in the VTP domain CCNP Routing and Switching Solved MCQ CCNP Routing and Switching Solved MCQ contain set of 10 MCQ questions for CCNP MCQ which will help you to clear beginner level quiz. Assuming sync IO API is used in this case. 6. "Switching in the Internet is done by using the datagram approach to packet switching at the" Multiple Choice Questions (MCQ) on switching with choices application layer, network layer, data link layer, and physical layer. a.  Cisco switches support up to 15 MSTIs and 1 IST Now all those things are relatively minor but they do add up in some situations. Switching the CPU to another process requires saving the state of the old process and loading the saved state for the new process. Should we use async methods for the very fast IO method, like cache read/write method? b. So we can say that we should always use aync API (if available), no matter if it run very fast or takes time. 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