MCS022-SOLVED ASSIGNMENT 2016-17 IGNOU MCA 2nd SEM

1.

(a)

Differentiate between Microkernel architecture and Kernel architecture?

(b)

Define Distributed File System? Explain how it is implemented in Windows 2000?

2.

(a)

Explain the differences between the following groups of Windows 2000 operating system:

(i) Global groups

(ii) Domain Local groups

(iii) Local groups

(iv) System groups

(b)

Explain the role of NAME SERVERS and RESOLVERS in DNS Architecture.

3.

(a)

Explain the abstract model of Virtual Memory used in Linux operating system. Give a suitable diagram to explain its working.

(b)

Write a shell script in LINUX to count the number of words in a given file.

4.

(a)

Which application layer protocol is used by network management frameworks to manage and monitor network devices? Explain its architecture and working.

(b)

Explain drive mapping facility in Windows 2000 with suitable examples.

5.

(a)

Mention the usage of following LINUX commands with an example of each : tail grep chmod sort

(b)

Compare the individual fields of the IPV4 leader with the IPV6 header.

6.

(a)

Explain the Logical and Physical structure of active directory in Windows 2000.

(b)

Describe the concept of encrypting using EFS services.

7.

(a)

Assume you are server administrator of Linux lab. This lab is having two computers which are having some confidential data. We want to display a logon warning message, "unauthorized access to this system is punishable" if any user tries to log in these two computers with wrong user name or wrong password. Write the steps to create the above mentioned logon warning message.

(b)

Draw a diagram of SNMP architecture and show how it is used to manage network devices.

8.

(a)

How does the Remote Access Mechanism in Windows 2000 work and how can it be configured ?

(b)

Explain the following with reference to WINDOWS 2000:

(i) File Replication service

(ii) FAT 16 and FAT 32

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