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OSN521S - INTRODUCTION TO OPERATING SYSTEMS - 2ND OPP - JAN 2020 |
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NAMIBIA UNIVERSITY
OF SCIENCE AND TECHNOLOGY
Faculty of Computing and Informatics
Department of Computer Science
QUALIFICATION:
Bachelor of IT: Systems Administration and Networks;
Bachelor of Computer Science Cyber Security;
Bachelor of Computer Science: Systems Administration; Communication
Development
0Q7UBACLCISFICATION CODE: 80BSAN / 07BACS /
LEVEL: 5
Networks;
Software
COURSE: Introduction to Operating Systems
and Networks
COURSE CODE: OSN521S
DATE: January 2020
SESSION: 2
DURATION: 2 Hours
MARKS: 100
SECOND OPPORTUNITY / SUPPLEMENTARY EXAMINATION QUESTION PAPER
Ms Albertina Shilongo
Ms Katazo Amunkete
EXAMINER(S) | Ms. Teresia Ankome
Ms. Jovita Mateus
Ms Ruusa lipinge
MODERATOR: | Dr. Fungai Bhunu Shava
THIS QUESTION PAPER CONSISTS OF 5 PAGES
(Including this front page)
INSTRUCTIONS
Answer ALL the questions.
Write clearly and neatly.
Number the answers clearly.
When answering questions you should be guided by the allocation of
marks. Do not give too few or too many facts in your answers.
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SECTION A: Operating Systems Commands
[20 Marks]
_ With the aid of examples, distinguish between Single user and Multi-user Operating
Systems.
(4)
Give three (3) advantages why students at NUST use virtual machines. —
(3)
Below is a screenshot of the 1s —1 output command in Linux. Explain the meaning of this
output.
(8)
total 41
-pwxrw-r--
1 phillipa
chemistry
18715 Sep 24 2004 report.pdf
4. State any two (2)-industry certifications that you can pursue in order to have a competitive
advantage in Systems Administration.
(2)
5. What is a Shell? Give an examples of Shells that can be found in Linux Systems
(3)
SECTION B: Operating Systems Commands
1.
Interpret the following Windows commands.
md OSN521S is good
il. cp test exam
ill. dir
[15 Marks]
(2)
(2)
(1)
2. On Windows Operating System, create a batch file using wild cards that lists all files that match any
of the criteria below, within the current working directory. Save the batch file as Wild.
6
i) Files with an extension of COM and have four letters in the filename.
ii) EXE files whose Third letter is a.
Note: Write down all the steps from opening a batch file to saving and running the
2
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Batch file.
3. Interpret the following Linux commands:.
i. chmod 711 2019.txt
(2)
ii.rd -r 2018
(2)
iii. touch 2020.txt
(1)
SECTION C: Systems Administration & User Management
1. Explain in detail why an organisation should hire a System Administrator.
2. Briefly explain the following default groups in Windows.
[30 Marks|
(3)
(5)
i. Guest
ii. Administrator
iii. User
iv. Backup Operators
v. Power Users
3. Differentiate between a temporary profile and a mandatory profile?
(2)
4. List the steps and command to perform the following ona Linux Operating System:
iL
Disable the account of a user Mike
(2)
il.
Create a new group called Tutors with group id 1090
(2)
iil.
Add a user called Michael with user id 1099 and group ID 1090
(2)
iv.
Switch on to a user Michael
(1)
5. Using the Windows
desktop services.
OS,
write
down
the
steps
of assigning
a user
Eddy
the rights
to log
in to
remote
(5)
6. Give a detailed
found in this file.
explanation
of the
purpose
of the
of the
Linux
/etc/passwd
file
and
all
the
fields
(8)
SECTION D: Resources Management
3
15 Marks]
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SECTION E: Networking Concepts
[20 Marks]
1. Differentiate between peer to peer and client/server network architectures
(4)
2. Briefly explain the following networking terms:
(4)
i. Internet
ii. LAN
iii. Server
iv. protocol
3. With an aid of a diagram, discuss the mesh topology.
(6)
4. Write down two challenges of networking computers?
(3)
5. Explain how to achieve the following tasks on Linux operating system:
(3)
i. Check whether your computer is connected to domain www.google.com
ii. View the name of the computer you are using
iii. Check for computer detailed configuration information.
End
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5 Page 5 |
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NAMIBIA UNIVERSITY
OF SCIENCE AND TECHNOLOGY
Faculty of Computing and Informatics
Department of Computer Science
QUALIFICATION:
Bachelor of IT: Systems Administration and Networks;
Bachelor of Computer Science Cyber Security;
Bachelor of Computer Science: Systems Administration; Communication
Development
OQ7UBACLCISFICATION CODE: 80BSAN / 07BACS/
LEVEL: 5
Networks;
Software
COURSE: - Introduction to Operating Systems
and Networks
COURSE CODE: : OSN5221S
DATE: January 2020
SESSION: 2
DURATION: 2 Hours
MARKS: 100
SECOND OPPORTUNITY/ SUPPLEMENTARY EXAMINATION QUESTION PAPER
Ms Albertina Shilongo
Ms Katazo Amunkete
EXAMINER(S) | Ms. Teresia Ankome
Ms. Jovita Mateus
Ms Ruusa lipinge
MODERATOR: | Dr. Fungai Bhunu Shava
THIS QUESTION PAPER CONSISTS OF 5 PAGES
(Including this front page)
INSTRUCTIONS
Answer ALL the questions.
Write clearly and neatly.
Number the answers clearly.
When answering questions you should be guided by the allocation of
marks. Do not give too few or too many facts in your answers.
|
|
6 Page 6 |
▲back to top |
SECTION A: Operating Systems Commands
[20 Marks]
1. With the aid of examples, distinguish between Single user and Multi-user Operating
Systems.
(4)
2. Give three (3) advantages why students at NUST use virtual machines. ~
(3)
3. Below is a screenshot of the ls —1 output command in Linux. Explain the meaning of this
output.
(8)
total 4
-pwxrw-r--
1 phillipa — chemistry
18715 Sep 24 2004 report.pdf
4. State any two (2)-industry certifications that you can pursue in order to have a competitive
advantage in Systems Administration.
(2)
5. What is a Shell? Give an examples of Shells that can be found in Linux Systems
(3)
SECTION B: Operating Systems Commands
i
Interpret the following Windows commands.
i. mad OSN521S is good
ii. cp test exam
iii, dir
[15 Marks]
(2)
(2)
|
(1)
2. On Windows Operating System, create a batch file using wild cards that lists all files that match any
of the criteria below, within the current working directory. Save the batch file as Wild.
6
i) Files with an extension of COM and have four letters in the filename.
ii) EXE files whose Third letter is a.
Note: Write down all the steps from opening a batch file to saving and running the
2
|
|
7 Page 7 |
▲back to top |
Batch file.
3. Interpret the following Linux commands:.
i. chmod 711 2019.txt
(2)
ii.rd -r 2018
(2)
iii. touch 2020.txt
(1)
SECTION C: Systems Administration & User Management
1. Explain in detail why an organisation should hire a System Administrator.
2. Briefly explain the following default groups in Windows.”
[30 Marks|
(3)
(5)
i. Guest
ii. Administrator
ili. User
iv. Backup Operators
v. Power Users
3. Differentiate between a temporary profile and a mandatory profile?
(2)
4. List the steps and command to perform the following ona Linux Operating System:
i.
Disable the account of a user Mike
(2)
il.
Create a new group called Tutors with group id 1090
(2)
iil. Add a user called Michael with user id 1099 and group ID 1090
(2)
iv.
Switch on to a user Michael
(1)
5. Using the Windows
desktop services.
OS,
write
down
the
steps
of assigning
a user
Eddy
the rights to login to
remote
(5)
6. Give a detailed
found in this file.
explanation
of the
purpose
of the
of the
Linux
/etc/passwd
file
and
all the
fields
(8)
SECTION D: Resources Management
3
[1s Marks]
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Give any two (2) reasons why it is important for System Administrators to carry out backups. (2)
2.
The following snapshot was taken from Windows operating systems.
fle Actlon view
= BP
kame
y(C:)
Help
Session Status
Fle System
NTFS
Capacky
74.45 GB
Free Space’ YeFreeSpace
4.6568
£%
Estimated disk uzage after defragmentation:
a
Stab e,
BB Frogmented files Hl Contiquous files BJ Unmovable files C1 Free zpace
1. Name the tool.
(1)
ii. Write down the steps of opening the tool.
(2)
iii. What is the importance of this tool?
2)
3. With examples, explain the use of the following Linux resource management utilities
(5)
i. Kill
ii. vunstat
ili. ps
4. Name the following snapshot and briefly explain its use in Windows.
(3)
Adjust your computer's settings
Viewbs: Sine icons ~
Yr action Center
Ue Bacup and Restore
DEF Oetc end Time
BS Device Menager
DS ese of Access Center
33) Adminictretive Tects
EE Color Management
& Defauh Prograrns
(SS Devices end Printers
Ed Flesh Player G2-Ei0
&} Getung Stated
E% Indwdng Options
LE} dave G2-d2t}
WA gntel(R) GMA Criver
> Keykoord
D waa sz
Ga Neteication Area icons
[3 eheneand thodem
BE Reeket: HD Audio Manager
83 Remctedpp 2nd Oesktep Connections
@ Sync Center
[BR Trcublechecting
FB windows CerdSpace
<< Meuse
BE Performence Infermaticn end Tools
3D Power Opticns
© Recovery
xq Sound
PH System
3S UserAcceua
EA Windew:: Defender
eg Vindows Updete
RG AutcPlsy
EE Credential Monece
Gy Desktop Gedgtts
Decley
LE Felder Cptions
e% HomeGreup
iy lnvernet Cptions
4 Lecetion and Odier Sensers
35. Netwerk ond Sharing Center
$28; Persenatization
E& Progr: and Feetures
GP Regien and tongusge
& Speech Recognition
L¥. Taskbar end Stert Menu
ES. Window: Anytime Upgreds
@ Windows Firenell
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SECTION E: Networking Concepts
[20 Marks]
1. Differentiate between peer to peer and client/server network architectures
(4)
2. Briefly explain the following networking terms:
(4)
i. Internet
ii, LAN
ili. Server
iv. protocol
3. With an aid of a diagram, discuss the mesh topology.
(6)
4. Write down two challenges of networking computers?
(3)
5. Explain how to achieve the following tasks on Linux operating system:
(3)
i. Check whether your computer is connected to domain www.google.com
ii. View the name of the computer you are using
iii. Check for computer detailed configuration information.
End