Module Title: Networking Fundamentals

dimerusticNetworking and Communications

Oct 23, 2013 (3 years and 9 months ago)

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CORK INSTITUTE OF TECHNOLOGY

INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ


Semester 1 Examinations 2011/12


Module Title:

Networking Fundamentals


Module Code:

COMP6009



School:


Science & Informatics



Programme Title:

Bachelor of Science

(Hon
ours) in Software Dev
elopment


Year 1


Bachelor of Science

(Hon
ours
) in Softwa
re Development &


Networking


Year 1


Bachelor of Science in Computing


Year 1


Higher Certificate

in I
nformation Technology Support


Year 1


Programme Code:

KSDEV_8_Y1


KDNET_8_Y1


KCOMP_7_Y1


K
ITSU_6_Y1



External Examiner(s):


Dr

K. Curran
, Ms Erica Gill

Internal Examiner(s):


Mr D. Polley



Dr P.T. Reynolds

Ms A. O’ Driscoll



Instructions:



Answer Question 1 and any two other questions.





Question 1 caries 20 marks. The other questions ca
rry 15





marks each.



Duration:

2 H
ours


Sitting:

Winter 2011



Requirements for this examination:



Note to Candidates:

Please check the Programme Title and the Module Title to ensure that you are
attempting the correct
examination
.

If in doubt pleas
e contact an Invigilator.


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Q1.

(a)

Write brief notes on the following Windows command utilities:

Ping, ipconfig and Tracert.





(4 marks)



(b)

Give two examples of application layer protocols that use TCP and two that
use UDP?









(4 marks)



(c)

With the aid of simple labelled diagrams describe:



(i) circuit
-
switched connection
-
oriented circuits

(ii) packet
-
switched connectionless circuits.

State an advantage and a disadvantage of each type of circuit.

(8 marks)



(d)

Draw the physical comp
onents of an Unshielded Twisted Pair (UTP) cable and
state their function.






(4 marks)




Q2.

(a)

Describe in detail the process of sending an email from user account
abc@exam.ie

to destination
xyz@assessment.com


(7 marks)



(b)

Sketch and explain in detail the TCP connection (3
-
way handshake) procedure.










(5 marks)



(c)

Differentiate between a port and socket providing an example of each.












(3 marks)



Q3.

(a)

An organization has been assigned the classful network 200.180.2.0 /24. It is to
be divided up into 5 subnets to accommodate departments. Answer the
following questions:



(i) What is the class of this network address?



(1mark)



(ii) How many u
sable hosts can this network accommodate before subnetting?










(2 marks)



(iii) How many bits must be borrowed for subnetting?


(2 marks)



(iv) How many usable subnets are created?



(2 marks)



(v) What is the subnet mask for the new subne
ts?


(2 marks
)



(vi) How many hosts can each subnet support?



(2 marks)



(vii) What is the network address of the first subnet?


(1 marks)



(viii) What is the network address of the second subnet?


(1 marks)



(ix) What is the broadcast address
of the first subnet?


(2 marks)



Q4.

(a)

Describe the ARP process in detail assuming the destination device
is not on
the same network

as the sender.





(8 marks)



(b)

Name the media (channel) access method used in Ethernet networks. Outline
what happ
ens if two devices transmit simultaneously


(5 marks)




(c)

Distinguish between Bandwidth and Throughput.


(2 marks)