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At bank #1 the employees work on one task until it is complete; they never switch context. The purpose of await is to (1) make more efficient use of expensive worker threads by allowing workflows to become more asynchronous, and thereby freeing up threads to do work while waiting for high-latency results, and (2) to make the source code for asynchronous workflows resemble the source code for synchronous workflows. (adsbygoogle = window.adsbygoogle || []).push({}); 11. b. Question:–Loopguard should be enabled on designated ports and Rootguard should be enabled on blocking ports a. Explanation: User-level threads are faster to create and manage is true about user level thread. Question:—Which statements about Multiple Spanning Tree (MST) are true: (select two answers) The time involved in the context switching of one process by other is called the Context Switching Time. In Monopoly, if your Community Chest card reads "Go back to ...." , do you move forward or backward? B. the creator of A directory of Objective Type Questions covering all the Computer Science subjects. Using Priority Scheduling algorithm, find the average waiting time for the following set of processes given with their priorities in the order: Process : Burst Time : Priority respectively . If the awaitable knows that it can complete the operation in a reasonable amount of time then it is perfectly within its rights to do the operation and return a completed task. It's a shell game. The questions asked in this NET practice paper are from various previous year papers. In a ________ network, two types of addressing are involved: global and local. Ture, It pulls thread from ThreadPool to execute remaining part of the method. @Pragmatic Only if there isn't a synchronization context, the synchronization context uses the thread pool, or, Thanks usr for answer. I am confused as to why you think a context switch happens on an IO operation. 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 Practice these MCQ questions and answers for preparation of various competitive and entrance exams. I know that when execution reaches to await, it release the thread and after IO completes, it fetches thread from threadpool and run the remaining code. ________ scheduler selects the jobs from the pool of jobs and loads into the ready queue. Cisco switches support up to 15 MSTIs and 1 IST. I know a great way to find out. I need clarification on one point, if there are 100 concurrent threads running (on 4 core machine), cpu will switch from one thread to another if thread one start IO. Podcast 289: React, jQuery, Vue: what’s your favorite flavor of vanilla JS? D. aware of. It might be the current thread. It would be a waste to leave the CPU unavailable while an IO is in progress. a. 1. Then you'll know. Saving the state of the old process and loading the saved state of the new process is called ________. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Change the color of sub-expression when the whole expression evaluates to a different expression. Update the process control block of the selected process. A program requires memory space on disk to store all instructions. 3. Question:—Which statements about First Hop Redundancy Protocols (FHRP) are false (select three answers): The steps involved in context switching are as follows: 1. That means it does not consume cpu. | Contact Us | Copyright || Terms of Use || Privacy Policy. Explanation: The jacketing technique is used to convert a blocking system call into non blocking system call. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. The kernel is _______ of user threads. Question:—Which of the following statements are false about “Non stop forwarding” (NSF) (select three answers) B.There is no difference between /bin and /sbin, they are just two directories C./bin contains commands that may be used by both the system administrator and by users, but which are required when no other filesystems are mounted. c.  An access list with the “log” option is configured on the router and the incoming traffic matches the access list. The _______ address in the header of a packet in a datagram network normally remains the same during the entire journey of the packet. This way threads are efficiently utilized. C. Multiple threaded processes use fewer resources. d.  VTP can be used to propagate the VLAN to instance mappings What if the P-Value is less than 0.05, but the test statistic is also less than the critical value? You want to be consuming as much CPU as possible all the time! Turing machine (b.) If it is not, then the remainder of the method is signed up as the continuation of the awaitable, and a task representing the work of the current method is returned to the caller. I know a great way to find out. These Multiple Choice Questions (MCQ) should be practiced to improve the Operating System skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. b. Which of the following is not an advantage about thread? Can this WWII era rheostat be modified to dim an LED bulb? A context switch will be executed, and the process will be put at the tail of the ready queue, The CPU scheduler will then select the next process in the ready queue. This section focuses on "MultiThreading" in Operating System. c.  NSF is supported with OSPF, BGP, RIP and EIGRP. No – This command only needs to be issued on one of the servers. B. increases concurrency Round robin scheduling is essentially the preemptive version of ________. C. data segment process No – Loopguard should be enabled on blocking ports on Rootguard should be enabled on designated ports Is there a name for applying estimation at a lower level of aggregation, and is it necessarily problematic? B. The jacketing technique is used to ___________, A. convert a blocking system call into non blocking system call Stack Overflow for Teams is a private, secure spot for you and

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