Linux Administration (April – 2014) [IDOL - Revised Course | Question Paper]

Linux Administration (Revised Syllabus) [April – 2014 | Question Paper]

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Time: 3 Hours
Total Marks: 100

N.B.:    (1) All Question are Compulsory.

            (2) Make Suitable Assumptions Wherever Necessary And State The Assumptions Made.
            (3) Answer To The Same Question Must Be Written Together.
            (4) Number To The Right Indicates Marks.
            (5) Draw Neat Labeled Diagrams Wherever Necessary.

Q.1 Attempt Any Two Of The Following: (10 Marks)
(A) What is RAID? Explain various levels of RAID.
(B) Write the uses of NFS.
(C) What is purpose of MTA? Explain how MTA works?
(D) Write different classes of IP address. Also write the net mask, range of value for first byte and the IP numbers generally used by these networks.

Q.2 Attempt Any Three Of The Following: (15 Marks)
(A) During the Boot process what steps are carried out by the Kernel?
(B) Write a short note on LVM.
(C) Explain how GRUB works.
(D) What is runlevel? List various runlevels. Explain them.
(E) Write the purpose of the following directories of /(root)
      (a) bin
      (b) boot
      (c) etc
      (d) home
      (e) initrd
(F) Write a short note on ext3 file system.

Q.3 Attempt Any Three Of The Following: (15 Marks)
(A) Explain the showmount command with options.
(B) Explain the concept of Subnetting with suitable example.
(C) What is DHCP? How can you configure your machine as DHCP server?
(D) Write the meaning of the following lines of /etc/exports file
           /usr/local                     *.tyit.com(ro,sync)
           /var/spool/mail          192.168.0.1 (rw)
           /opt/vpb                      192.168.0.1 (rw,no_subtree_check)
(E) Write the use of cron file.
(F) Explain the concept of Classes InterDomain Routing.

Q.4 Attempt Any Three Of The Following: (15 Marks)
(A) Write the steps for Time Server Configuration.
(B) What is the use of ssh, scp, sftp services.
(C) Explain the following options of Samba Configuration File.
      (a) workgroup
      (b) smbpasswd file
      (c) security
      (d) dns proxy
      (e) server string
(D) List various squid configuration parameters. Also write their purpose.
(E) Explain the smbmount and smbclient commands of samba.
(F) What is xinetd? Explain how it works?

Q.5 Attempt Any Three Of The Following: (15 Marks)
(A) What is the use of Zone File? Explain with suitable example.
(B) Explain the options statement of named.conf file with at least five parameters.
(C) Write the advantages of vsftpd.
(D) List and explain different types of Domain Name Servers.
(E) List and explain the Key Components that are essential for email to work. Explain in short.
(F) Differentiate between IMAP4 and POP3?

Q.6 Attempt Any Three Of The Following: (15 Marks)
(A) List and explain the different types of MPMs of Apache 2.
(B) Explain the <Directory> block of Web Configuration File.
(C) Write the purpose of the following Global Configuration Categories.
(D) Write the purpose of the following Global Configuration Directives of httpd.conf
      (a) Keepalive
      (b) KeepaliveTimeout
      (c) MaxClients
      (d) ServerLimit
      (e) StartServers
(E) Write a CGI page that will displays the listing of the directory /home/tyit.
(F) List and explain the Common Mailman Administrative Tasks.

Q.7 Attempt Any Three Of The Following: (15 Marks)
(A) Write the syntax of usermod command used to modify the user account.
(B) Explain rpmquery command with options.
(C) Write and explain the fields that are included in the /etc/passwd file.
(D) Explain the quotacheck command with example.
(E) Explain with example how to create a new group?
(F) Write a short note on up2date agent.