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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Autumn Examinations 2009/
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 Bachelor of Science (Honours) in I.T. Management Higher Certificate in IT Systems Maintenance
Programme Code: KCOMP_7_Y KITSU_6_Y KITMN_8_Y KITSM_
External Examiner(s): Ms. Ann Meagher Internal Examiner(s): Mr. Gerard McSweeney
Instructions: Answer 4 questions All questions are worth equal marks
Duration: 2 hours
Sitting: Autumn 2010
Requirements for this examination: None
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you have received the correct examination paper. If in doubt please contact an Invigilator.
(a) In Linux, what is an environmental variable? ( 2 Marks )
(b) Write down two examples of environmental variables. ( 2 Marks )
(c) Name two Linux distributions? ( 2 Marks )
(d) Write down two examples of popular Linux graphical user interfaces. ( 2 Marks )
(e) Write down three advantages of using Linux over other operating systems. ( 3 Marks )
(f) Give two reasons why users might prefer Windows to Linux. ( 2 Marks )
(g) The following long listing is an example of a Linux file. What type of file is it? Explain the purpose of each of the items. ( 4 Marks )
dr-xr-xr-x 2 bill its2 1028 25 Sep myFiles
(h) What is the purpose of hidden files? ( 2 Marks )
(i) Apart from ordinary files and hidden files, name three other types of Linux files. ( 3 Marks )
(j) What is the minimum number of hard links a file would have? ( 1 Mark )
(k) If a file has a soft link, why is the i-node number of the file different from the link? ( 2 Marks )
(a) With the aid of a diagram, explain the UNIX block addressing scheme. Describe how it caters for both large and small files. ( 9 Marks )
(b) Name a typical Linux file system. ( 2 Marks )
(c) Name two typical Windows file systems. ( 2 Marks )
(d) What information is held about a file by its i-node? ( 7 Mark )
(e) What parts of a Linux system should be backed up regularly? ( 3 Marks )
(f) Name two Linux tools or commands which are useful when doing backup. ( 2 Marks )
(a) List four reasons why an administrator might partition a disk. ( 4 Marks )
(b) Explain the differences between primary, extended and logical partitions. Why are three types of partition necessary? ( 5 Marks )
(c) List the factors an administrator should consider when developing a back-up policy. ( 8 Marks )
(d) What is the purpose of run levels 0 and 6? ( 2 Marks )
(e) What run level would you expect most Linux systems to run? ( 2 Mark )
(f) In a Linux system, what is the purpose of the inittab file? ( 2 Marks )
(g) What is the purpose of the getty program? ( 2 Marks )
