IGNOU MCA -mcs-022 solved assignments 2012 -2013

Course Code : MCS-022

Course Code : MCS-022
Course Title : Operating System Concepts
Assignment Number : MCA(2)/022/Assign/12
Maximum Marks : 100
Weightage : 25%

Last Dates for Submission : 15th October, 2012 (For July 2012 Session)
15th April, 2013 (For January 2013 Session)
This assignment has seven questions which carries 80 marks, rest 20 marks are for viva voce. Answer all questions given in the assignment. You should use illustrations and diagrams to enhance the explanations of your answers. Please must go through the guidelines regarding assignments given in the Programme Guide for the format of presentation.

Question 1
(a) Explain the working of Token Ring? Compare it with token Bus. (5 Marks)
(b) Describe kerberos management in Windows 2000 operating system. (5 Marks)


Question 2: Give the answer of following in context of Linux Operating system.
(a) Write the purpose and syntax of nice and renice commands. (5 Marks)
(b) Explain the use and importance of FSCK commond. (5 Marks)
(c) Describe the ext2 and ext3 file systems? (10 Marks)


Question 3
(a) What are the contents of Password files and where are they
located in Windows? Also, explain the concept of Shadow passwords? (5 Marks)
(b) Explain "Distributed File System" with reference to Windows 2000. (5 Marks)


Question 4: Write a shell script that searches the file contents in a directory and its sub-directories for a text string given by the user. It list
all such file names having that given string and store in a temp file “abc”. (10 Marks)

Question 5: What are different kinds of user groups in windows 2000?
Explain each main features and privileges of each group. (10 Marks)


Question 6: How does Windows 2000 manage the domains? Also, trust
relationship is created and managed between domains? (10 Marks)


Question 7
(a) How are CIA (Confidentiality, Integrity and Availability) issues of Security
are being provided by Windows 2000 Operating System? (5 Marks)
(b) Explain the purpose and features of registry management. Also, explain
the uses of it.


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