Linux Administration (December – 2017) [IDOL - Revised Course | Question Paper]

Advanced Java (December – 2017) [Revised Syllabus | 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.
(6) Use of Non-Programmable Calculator is allowed.

Q.1. Attempt any two of the following: (10 Marks)
(A) Explain Smbclient, smbmount commands with suitable example.
(B) Calculate the number of subnets, subnet mask, and number of hosts for a Class C subnet with 2 bits. Provide a tabular format of number of subnets with the following details:

(C) Explain the following RPM command line options:
      (i) --whatrequires capability
      (ii) --whatprovides capability
      (iii) --requires
      (iv) --provides
      (v) --qf 'format_str'
(D) Explain rpm command with five options.

Q.2. Attempt any three of the following: (15 Marks)
(A) Explain the duties of System Administrators.
(B) What is the importance of rc scripts? Explain.
(C) Explain the proc virtual file system.
(D) Explain Installing & Configuring Application Software.
(E) Write a note on Backing Up & Restoring Files.
(F) Explain the init process with emphasis on rcscripts.

Q.3. Attempt any three of the following: (15 Marks)
(A) Explain the concept of subnetting with suitable example.
(B) 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)
(C) Explain the concept of Classless InterDomain Routing.
(D) What is dhcp? How is it configured?
(E) How are NFS Server and Client configured?
(F) State and explain the three files that are needed to be modified on each computer in the network in addition to configuring the network cards.

Q.4. Attempt any three of the following: (15 Marks)
(A) Write and explain the steps to configure the Time Server.
(B) Explain use of ssh, scp, sftp Services
(C) How is xinetd configured? Explain.
(D) What are the sections of smb.conf file? Explain.
(E) What is a Caching Proxy Server? Explain squid and state the steps involved in its configuration process.
(F) Explain the smbmount and smbclient Commands of samba.

Q.5. Attempt any three of the following: (15 Marks)
(A) Explain zone files with example.
(B) Write the steps for time server configuration.
(C) What is the use of ssh, scp, sftp services.
(D) List and explain different types of domain name servers.
(E) Differentiate between IMAP4 and POP3?
(F) Write a note on the statements of the /etc/named.conf file.

Q.6. Attempt any three of the following: (15 Marks)
(A) List the Mailman configuration categories. Write the purpose of any four.
(B) Write a CGI page that will display the listing of the directory /home/tyit.
(C) List and explain the common mailman Administrative Tasks.
(D) Explain in detail the usage of /etc/aliases file.
(E) Explain the <Directory> block of web configuration file.
(F) Write the purpose of any five Mailman configuration categories.

Q.7. Attempt any three of the following: (15 Marks)
(A) Explain how DNS Service can be optimized?
(B) What is the use of up2date agent? Write the meaning of the Alert icon that represent state of the update:
      (i) Blue Check Mark
      (ii) Green Double Arrows
      (iii) Red Exclamation Point
      (iv) Gray Question Mark
(C) Explain the quotacheck Command with example.
(D) Explain with example how to create a new group?
(E) How can CGI be enabled with Apache?

(F) Explain the Password Database File /etc/passwd describing its Fields.