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A spawned process may be destroyed automatically when its parent is destroyed, as one method; another design is to have spawned processes proceed independent of the parent, thus killing a parent does not effect the child processes. Discuss the advantage and disadvantage of each approach. Give an example of a situation where killing a parent process should not destroy any child processes.
Discuss techniques used by security administrators to monitor servers for security purposes? For example, how are event logs and task or system monitors used?
Provide a table showing the Caesar cipher with a key five, and then provide the result of applying this cipher to the text 'I came I saw I conquered'.
Jan and Kim have decided that they require creating an Intranet. They intend to implement a Web server for internal use. They realize that they require to implement at least one Domain Name Server server.
In this case study, you require to construct a network checklist to establish certain process that enable you and other network security specialists to assess a network from different possible threats and vulnerabilities.
Determine some of the factors other then the network itself that can cause the network to seem slow?
Intermediate Level Tasks : Below is a simple program. It creates 2 threads. The first thread keeps printing out X on the screen, and the second thread keeps printing out O on the screen.
Discuss and provide examples of the following concurrency issues associated with an OS: 1. Mutual exclusion 2. Deadlock 3. Starvation
In an RDBMS, how are the three phases parsing, execution, and fetching carried out? In general, in which phase would you tune a database? Determine database statistics and why are they important.
A text document with machine code for little man's computer following instruction set. Instructions are in different lines.
Increase size of memory so it contains four page frames for public use. Using same page request as above and FIFO, do another page trace analysis and calculate the failure and success ratio.
Assume when a child process is forked, a parent may wait for the successful completion of the child via the wait service so that return result of that application can be read from the procedure descriptor block.
A stage of n x n banyan network consists of (n/2) 2x2 switching elements. 1st stage directs packets to the correct half of the network.
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