MCA-21
June Examination 2016
MCA IIIrd Year Examination
Linux System Administration
Paper MCA-21
Time 3 Hours Max. Marks 80
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 8 × 2 16
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
Which computer operating system based on the Debian Linux distribution?
Which file contains the configuration for the sshd daemon?
Where are the default system log files located in Linux?
What do you get when you type "echo $PS1" at the bash prompt?
Which option can you use with read to display a prompt for input?
Which bash command displays the current shell?
809
MCA-21 100 3 (P.T.O.)
MCA-21 100 3 (Contd.)
809
Which file is used to pass information between
applications for communication purpose?
(viii) Each inode describes a on the hard disk.
Section B 4 × 8 32
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 8 marks.
Explain the architecture of the Linux operating system with
diagram.
What are accounts and groups in Linux? How do you use
them?
How do you copy, move and rename files in Linux?
Write the name of few commonly used Shells.
Write the command to do the following:
Create a new directory "KKHSOU"
Create a user "abc"
Change the password of the existing user say "kkhsou"
Display IP address
Extract "kkhsou.tar"
What does the "nslookup" utility do?
What is DHCP? Explain with an example.
What is Samba? Where do we use it give details with an
example.
MCA-21 100 3
809
Section C 2 × 16 32
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
16 marks.
10) What is Hard Disk partitioning for Linux? Explain how to create
new partitions in the Linux Operating system.
11) What is the Linux file system? Explain any five types of file
systems available.
12) What is a MTA? Which network protocol is used by MTAs to
communicate with each other?
13) Explain the various permissions used for files and directories
in Linux. How the read, write and execute permission attached
with a file are different from that attached to a directory?