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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2008/
Module Title: Systems Administration 1
Module Code: COMP 7020
School: Maths and Computing
Programme Title: Bachelor of Science in Computing - Award Higher Certificate in Science in Computing in Information Technology Support – Year 2
Programme Code: KCOMP_7_Y KITSU_6_Y
External Examiner(s): Mr. James Greenslade Internal Examiner(s): Mr. Gerard McSweeney
Instructions: Answer 4 questions All questions are worth equal marks
Duration: 2 hours Sitting: Winter 2008
Requirements for this examination: None
Note to Candidates: received the correct examination paper. Please check the Programme Title and the Module Title to ensure that you have If in doubt please contact an Invigilator.
(a) Write down ten system administration tasks. ( 10 Marks ) (b) Write down four advantages of using UNIX. ( 4 Marks ) (c) Write down two disadvantages of using UNIX. ( 2 Marks ) (d) What is a Linux distribution? Write down an example. ( 2 Marks ) (e) KDE is a well known Linux GUI. Name another. ( 2 Marks ) (f) In which Linux directory, would you expect to find configuration files? ( 2 Marks ) (g) In a Linux environment, where might you expect to find root’s home directory. ( 1 Mark ) (h) Apart from ordinary files, directory and soft links, write down two other types of Linux files. ( 2 Marks )
(a) Explain how a user is authenticated when logging onto Linux. ( 4 Marks ) (b) Give two reasons why Linux passwords are regarded as being secure. ( 2 Marks ) (c) Why is it dangerous to use a simple word for a password? ( 2 Marks ) (d) What sort of information is held about users in the /etc/passwd file? ( 7 Marks ) (e) Without using a GUI, how could you check group membership? ( 2 Marks ) (f) The command useradd kate creates a new user kate. What problem would the user have when she logs on and how would the administrator solve it? ( 3 Marks ) (g) An administrator has created two new Linux users bill and jack. The administrator wants to:
- Enable bill to be able to copy files from jack’s home directory
- Enable jack to copy files to bill’s home directory Explain how this could be achieved. ( 5 Marks )
(a) Describe, with the aid of a diagram, the UNIX block addressing scheme. ( 7 Marks ) (b) With reference to Intel hard disks, explain the difference between primary, extended and logical partitions. ( 6 Marks ) (c) Give reasons why a personal computer might have more than one partition. ( 4 Marks ) (d) What is meant by a swap partition? ( 2 Marks ) (e) What is meant by mounting a device? ( 2 Marks ) (f) Explain how you would make a removable device read only. ( 2 Marks ) (g) What is the standard Linux file system? ( 2 Marks )
