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SAD622S - SYSTEMS ADMINISTRATION - 1ST OPP - NOV 2022 |
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nAmtBIA untVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF COMPUTING AND INFORMATICS
DEPARTMENT OF COMPUTER SCIENCE
QUALIFICATION:
BACHELOR OF COMPUTER SCIENCE
QUALIFICATION CODE: 07BACS, 07BCCS, 07BCCY, 07BCMS
COURSE: SYSTEMS ADMINISTRATION
DATE: NOVEMBER 2022
DURATION: 2 HOURS
LEVEL: 6
COURSE CODE: SAD622S
SESSION: 1
MARKS: 50
EXAMINER(S)
MODERATOR:
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
MR. SHADRECK CHITAURO
MR. SHOOPALA NAMBAHU
MS. TERESIA ANKOME
MS. ALBERTINA SHILO NGO
MR. ISAAC NHAMU
THIS QUESTION PAPER CONSISTS OF 5 PAGES
(Excluding this front page)
INSTRUCTIONS
1. Answer all questions.
2. Write all your answers in the answer booklet provided and number every question.
3. Please, ensure that your writing is legible, neat and presentable.
4. Marks/scores per question are given in square brackets [ ].
5. Do not use or bring into the examination venue books, programmable calculators, mobile
devices and other material that may provide you with unfair advantage. Should you be in
possession of one right now, draw the attention of the examination officer or invigilator.
6. All things that should not be marked, e.g. any "rough work", have to be crossed out
unambiguously.
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1. True or False
[10)
(a) Hyper-V provides services and management tools for creating and running virtual
machines and their resources. This can be found only in Windows Server 2012.
(b) When you join Windows 8.1 client computer to a domain, by default the client
computer account name will be created in "Computers" container on your domain
controller.
(c) Windows Server 2012 supports IP version 6 while Windows 8.1 does not.
(d) A forest is a collection of trees.
(e) You can use Windows PowerShe/1 in Windows Server 2012 with full graphical user
interface environment.
(f) A computer gateway is used to access other networks.
(g) The command ipconfig in windows is the same as ifconfig in Linux.
(h) The AAAA record in DNS is found in both forward lookup zone and reverse lookup
zone.
(i) Linux was developed in 1990.
(j) If you are logged in as an ordinary user in Linux, your command line interface will
have the "#" symbol.
(k) The command "more" can be used in Linux and Windows.
2. Multiple Choice
i)
When configuring Windows Server 2012 as a domain controller and enter
example. com as the Root domain name. Which answer shows that the default
NetBIOS name is the same as the server name (hostname).
a) example0
b) netbios name conflict
b) c) netbios duplicate
d) server name duplicate
ii)
When promoting your domain controller for the first time and at the stage of creating a
new forest, if you enter nust.cs.com as the Root domain name. What will be the default
NetB/OS name selected by the system?
a) nust.cs.com
b) .com
c) nust.cs
d) nust
iii) Which command was used to get the following screenshot?
ef ault Se1,ue1,: stat ion254. example. com
ddress: 10.100.54.254
a) lpconfig b) ipconfig /displaydns
c) nslookup d) ping
iv)
What is the purpose of the following Windows command typed in Windows 10? Select
the best answer: dir > errors . txt
a) display the contents of errors.txt file b) overwrite the contents of the file errors.txt
c) captures all errors after the dir command d) to list all files in the current location
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2 (v) Your network contains an Active Directory domain named example.com. The
domain contains a domain controller named DC1 that has the DNS Server server role
installed. DC1 hosts a primary zone for example.com. The domain contains a
member server named Server2 that is configured to use DC1 as its primary DNS
server. From Server 2, you run nslookup.exe as shown below.
!I-18-M- ic-ro-soft · \\,Jindo-ws----=.[-V-----~e-.=r·-s~-i1o-(n-~--:-6·r.--~-~·3i~•\\..j-~-9!r~-:6!-:0;-~0--~]h;\\~~/-j-~i-~-,~:-~~-~·-::~---·-\\(;~-;:I-~--/;---~~--\\~-~·-~--i--:-•:.i-.~---~-\\~.\\}\\·.
(:(c) 2013 Microsoft Corpora ti on. R11 rights reserved.
I C:\\Users\\Rdministrator>nslookup
; DNSrequest timed out.
· timeout was 2 seconds.
Default Server: UnKnown
Rddress: 192.168.0.254
>
You need to ensure that when you run nslookup.exe, the correct name of the
default server is displayed. What should you do?
2 (v) Your network contains an Active Directory domain named example.com. The
domain contains a domain controller named DC1 that has the DNS Server server role
installed. DC1 hosts a primary zone for example.com. The domain contains a
member server named Server2 that is configured to use DC1 as its primary DNS
server. From Server 2, you run nslookup.exe as shown below.
You need to ensure that when you run nslookup.exe, the correct name of the
default server is displayed. What should you do?
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v)
Your network contains an Active Directory domain named example.com. The domain
contains a domain controller named DCl that has the DNSServer server role installed.
DCl hosts a primary zone for example.com. The domain contains a member server
named Server2 that is configured to use DCl as its primary DNSserver. From Server 2,
you run nslookup.exe as shown below.
••
••
••
.- -
Microsoft Windows [Version 6.3.96001
(c) 2013 Microsoft Corporation. All rights reserved.
C:\\Users\\Administrator>nslookup
DNS request timed out.
timeout was 2 seconds.
Default Server: UnKnown
Address: 192.168.0.254
a) On DCl, create a reverse lookup zone
b) On Server2 add 8.8.8.8 as the primary server
c) On DCl, modify the Security settings of the example.com zone
d) From Advanced TCP/IP Settings on DCl, add example.com to the DNSsuffix list
vi)
Your network contains an Active Directory domain named example.com. All user
accounts are in an organizational unit (OU) named Allusers. You create a Group Policy
object (GPO) named GPOl. You link GPOl to the Allusers OU. You need to ensure that
GPOl does not apply to the members of a group named Supervisors. What should you
configure?
a) The Block Inheritance option for Allusers
b) The security settings of GPOl
c) No need to configure anything
d) The security settings of Allusers
vii) Select the correct order in which group policies will be processed.
a) site--> domain--> OU--> local computer
b) site--> local computer--> domain--> OU
c) local computer--> site--> domain--> OU
d) domain--> local computer--> site--> OU
viii) Which of the following Linux installation commands used to resolve package
dependencies automatically? (Select two).
a) yum
b) rpm
c) install-get
d) apt e)dpkg
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3. Short Questions
(a) What do you understand by task based delegation?
[2]
(b) How does the DNS recursive lookup process work?
[2]
(c) Give one example of a software which can be used for imaging
[1]
(d) What is a group policy object?
[2]
(e) What are two types of group policy settings and how are they used?
[2]
(f) Give two tasks of a systems administrator
[2]
(g) Refer to Diagram A below. You are trying to install Oracle VirtualBox 7.0 on Windows
10 machine.
OracleVMVirtualBox7.0.0 Setup
X
OradeVMVirtualBox7.0.0 needsthe
MicrosofVt isuaCl ++ 2019Redistributable
Packagebeinginstalledfirst.Pleaseinstall
and restart the installationof Orade VM
Virtua!Box7.0.0.
r
)
Diagram A
(i) What do you understand by positive and negative dependencies? [2]
(ii) Based on the error displayed in the diagram is it a positive or negative
dependency? Justify your answer.
[2]
(iii) Based on your answer for (ii) state the name of the software which is either
positive or negative dependency.
[2]
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4. Long Questions
(a) Analyse the following Diagram Band answer the questions which follows. This
diagram is a screen shot from a Windows server 2012 DNSserver.
'confoso.com Properties .
WINS
General
I
Zone Transfers
I Startof Arthority (SOA)
Serialnumber:
1,s
Primaryserver:
Istation254.contoso.com.
Responsibleperson:
Ihostmaster.contos.ocom.
Refreshinterval:
Retryinterval:
Expiresafter:
@=:]!minutes
~!minutes
Dldays
Minimum(default)TTL: Dlhours
I
Security
I NameServers
11...........-...............1....
( ..Increment...(.
I 11 Browse...
I 11 Browse...
vi
vi
vi
vi
TTL for this record: jo
:1 :0 :0
(00000:HH.MM.SS)
___I.I I [ 11 ...___O_K
Cancel
App~/
Help
Diagram B
(i) Using information shown in Diagram B above, write down the email address which will
be used in case the DNSservice experience problems.
[2]
(ii) Which field is used by slave DNSservers to make sure the zone records are consistent
with the master DNSserver?
[1]
(iii) If a client machine resolves a name through the DNSserver with information shown in
the Diagram B above. That record will be stored in a client's cache. What will be the
lifetime for records in the client's cache?
[1]
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(iv) If a slave DNS server failed to contact the master DNS server, it will keep on responding
to clients requesting for resources under the domain up to a certain maximum period
before it stops if it cannot contact the master. What will be the maximum period?
[1]
(b) As an administrator you can administer active directory running a server 2012 core
edition using commands. Identify the error in the following command for adding a
user to a domain controller active directory and users.
[2]
net user sad622s Pa%$w0rd /add /contoso.com
5. Unix Commands
You are employed by a Gold Company as the new Administrator. One day you decide to
check the commands which were issued on the server and you find three consecutive
commands shown below:
useradd -g users -G special guest
groupadd -g 700 b2
date - - set "20221225 17:20"
What was the previous Administrator trying to archive with the above commands?
[7]
*** End of question paper***
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2022-10- 18
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