Which of the following Hyper-V features should be used to revert back to a previous version of the virtual machine? a- Nested virtualization b- Checkpoints c- Live migration d- Replication
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Which of the following Hyper-V features should be used to revert back to a previous version of the virtual machine?
a- Nested virtualization
b- Checkpoints
c- Live migration
d- Replication
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- Last Stage of Delirium, a security study organisation, created some clean portbinding shellcode for Linux. Shellcode that is clean is shellcode without any NULL symbols. As was already stated, NULL characters prevent the majority of buffer overflow vulnerabilities from being exploited properly because the function stops copying when a NULL byte is encountered. EThe Nevercrash Operating System Company has been receiving complaints from some of its customers about its latest release, which includes semaphore operations. They feel it is immoral for processes to block (they call it "sleeping on the job"). Since it is company policy to give the customers what they want, it has been proposed to add a third operation, peek, to supplement up and down. peek simply examines the semaphore without changing it or blocking the process. In this way, programs that feel it is immoral to block can first inspect the semaphore to see if it is safe to do a down. Will this idea work if three or more processes use the semaphore? If two processes use the semaphore?Object code files are generated by compilers and assemblers from source code. The object files need to be linked together before they can be executed. Compilers could, in principle, produce executables without linking. Can you explain the problems with the second method?
- Which of the following kernels are developmental kernels? (Choose all that apply.) a. 2.3.4 b. 3.5.5 c. 4.1-rc5 d. 4.4.4What property of virtualization allows entire virtual machines to be saved as file that can moved or copied like any other file? Question 2 options: Isolation Hardware Independence Partitioning EncapsulationThis is for operating systems in cmputer science. I got stuck on few questions. Let me know if you need more clairfication. The asnwers are written in regular paragraph text form. For the second question answer it competely and discuss the configuration how the file integrity file influences the configuration of the tool. Let me know if you need more clarification. But the answers can be found by Googling? Questions: 1) Why is logging important? What is its limitation as a security control? What are pros and cons of remote logging (remote access)? 2) What are the advantages and disadvantages of using files integrity checking tool or file integrity monitoring (e.g. trip wire). This is a program which notifies the administrator of any changes to files on a regular basis? Consider issues such as which files you really only want to change rarely, which files may change more often, and which may change often. Discuss how this influences the configuration of the tool, especially as…
- In a process using threads, is there one stack per thread, or one stack per process? Explain. In the final version of the process state model, we have a state “blocked and swapped.” If the goal of blocking a process is to prevent the blocked process from wasting resources, why do not we only have “blocked and swapped”? Why a separate state “blocked”? Explain your answer. Linux systems do not allow all signals to be caught or ignored. Suppose they did; how would you stop an application that has ignored all signals from running? Assume at time 5, no system resources are being used except the processor and memory. Given this, consider this sequence of events: at time = 5: P1 executes a command to read from disk unit 3; at time = 15: P5’s time slice expires; at time = 18: P7 executes a command to write to disk unit 3; at time = 20: P3 executes a command to read from disk unit 2; at time = 24: P5 executes a command to write on disk unit 3; at time = 28: P5 is swapped out; at time = 33:…Access Control List (ACL) and Capability Lists are the most common implementations for controlling access to objects in a system. Which of the two methods are used in UNIX/Linux file systems? What simplifications have been made to make the implementation more efficient?A small insurance company has an online application system that allows its customers to interactwith the business (e.g., log claims). Backups of the customers’ details are done on a spreadsheetdocument stored on Google drive. However, anyone who has access to the Google drive link ofthe file can view and modify all the customer details. On the backup, the system administratordoes not have visibility of the modifications made on the file. By analysing the scenario above, use the security design principles to criticise theoperations of the small insurance company and propose any two simple controlsthat could influence a good security program.
- Ceng X y! ccm blackboard x Bb HOMEWORK - X Bb Tirrito CMP130 X New Tab ml?deploymentld%3D59531118568315434188448329&elSBN=9780357108307&snapshotld%3D1595064&id... Lab 3-7: Testing Mo... esting Mode: Testing Mode: Identify Internal Components of a Computer Identify internal components of a computer external attachments CPU slot rear ports ntroduction expansion cards processor instruction memory RAM slots PCle x16 slot inventory notepad PCI slot PCle x1 slot magnifier contrast SubmitTo what end was a non-preemptible kernel developed for Linux?The usage of a non-preemptible kernel in a single-processor system seems unnecessary. Exactly why does using many processors in a single system not provide better results?What are the benefits of using containers as a virtual machine replacement ?