Network operating systems

Assignment Help Basic Computer Science

Reference no: EM13762030

1.Explain why network operating systems were phased out when distributed Operating systems gained popularity.

2.Describe the differences between CSMA/CD and CSMA/CA. Provide one real-life example where CSMA/CD is used. Provide one real-life example whereCSMA/CA is used.

3.Several levels of file access were discussed in this chapter, including read/write, read-only, execute-only, and no access. Assume you maintain a database containing confidential patient information and need to restrict UPDATE to only 5 individuals, allow only 15 others to view the database, and disallow any database access to all other users. Which access level would you assign to the 20 individuals in the first two groups and to the remaining users? For each of the three groups, describe every type of access granted to each one.

4.Deadlocks are discussed in Chapter 5. Describe how a DO/S Processor Manager could attempt to avoid them in a real-life network. Then describe how it could try to recover gracefully if one should occur.

5.Describe the top 10 critical duties of a network administrator for a distributed operating system. Identify which level of access would be needed by the administrator for each duty and explain why.

Reference no: EM13762030

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