NALANDA OPEN UNIVERSITY QUESTION, 2016, M.C.A, Part-II, Paper-XVII (Operating system concepts and Networking Management)

NALANDA OPEN UNIVERSITY QUESTION, 2016, M.C.A, Part-II, Paper-XVII (Operating system concepts and Networking Management) 

                                                                               2016
                                                                       Time: 3 hours
                                                                       Full Marks: 80
                                         Answer any five questions. All questions carry equal marks.

1. What are the two modes in which windows 2000 system works? Explain its architecture with the help of a diagram.

2. What is the default networking protocol in windows 2000? What are its features? What are the different states of a process in Linux?

3. What is Protocol? How does a Token Bus Network work? In what ways in its working different from token ring?

4. Explain the process used by Kerberos to authenticate network clients logging onto a windows 2000 domain.

5. (a) Write the linux / unix commands for the following:-
          (i) List all files having three or more characters in their name.
          (ii) Link two files in a directory.
          (iii) To communicate to another user logged on by writing to the bottom of their terminal.
          (iv) To change the priority of a process.

   (b) Explain the characteristics of multimedia operating system.

6. What is the role of   transmission media in networking? Differentiate between guided and unguided media with suitable examples.

7. What is a repeater? At which level of OSI model is it used? List and explain all application level protocols?

8. What is a shell script? Write a shell script which will redirect the output of the data command without the time into a file. Also, make the flow chart of this shell script.

9. What are the security services provided by the IPSec? Explain the window 2000 IPSec components. Also, explain the policy options for IPsec implementation.

10. Differentiate between the following:-
      (a) Simplex, Half duplex, and full duplex communication
      (b) Symmetric and asymmetric cryptography
      (c) LAN, MAN and WAN
     (d) Packet Filtering Gateways and stateful Packet filtering