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Bmit 217: Internet And Communication Technology Question Paper

Bmit 217: Internet And Communication Technology

Course:Bmit

Institution: Kabarak University question papers

Exam Year:2009

COURSE CODE: BMIT 217
COURSE TITLE: INTERNET AND COMMUNICATION TECHNOLOGY

STREAM: Y2S1

INSTRUCTIONS:
Answer ALL questions in SECTION A and ANY TWO in SECTION B.
Indicate question numbers clearly at the top of each page.
Observe further instructions on the answer booklet.

Part-A

QUESTION NO. 1

a) Explain how the installation of a network is cost effective and secure? Marks 4

b) What is roaming and why is it important to remote access users? Marks 5

c) What are terrestrial microwaves? How do they differ from satellite communication?
Marks 4

d) (i) What are the major design goals of TCP/IP Reference Model. Marks 3
(ii) Explain layer number 2,3,6 and 7 of an OSI Reference Model. Marks 6
e) Explain any four advantages of the Client / Server Environment Marks 4
f) Explain any four methods with description of tape backup to avoid data loss.
Marks 6
g) (i)What do you understand by the bandwidth? Marks 2
(ii) Explain the important points to be considered when calculate Data transfer.
Marks 3
h) What is the difference between TCP and UDP? Marks 3

Part-B

QUESTION NO. 2
a) Explain any four reasons of replacing Fiber optic cables by copper conductor in WANs
and MANs Marks 6
b) Give and explain any five limitation of 10Base2 Ethernet. Marks 5
c) Give any four uses of the following network devices. Marks 6
i) Brouters
ii) Hubs
iii) Gateways

d) (i) In which layer of the OSI model Bridges do exist? Marks 2
(ii) What is the role of a Bridge in the networking? Marks 2
(iii) Explain any three advantages and disadvantages of a bridge. Marks 6
e) Match the following routing protocols to their respective network environments.

Routing Protocol Network Environment
RIP___________________________________________
OSPF_________________________________________
NLSP_________________________________________
IS-IS__________________________________________
RTMP_________________________________________
RTP__________________________________________
Marks 3

QUESTION NO. 3
a) (i) What is DNS? Marks 2
(ii) Explain DNS working and hierarchical DNS Organization with diagram.
Marks 4
b) (i) What are the reserved host addresses? Marks 2
(ii) Give any two examples and explain them. Marks 4
c) (i) What is FDDI? Marks 2
(ii) Explain any two Protocol specification of the FDDI. Marks 4

d) Give the difference between Phase, and amplitude modulation. Marks 2
e) Explain the two major types of Network Operating System with examples.
Marks 3
f) What is the difference between local loop and broadband transmission technologies?
Marks 3

g) What is the difference between ring length and lobe length in token ring network?
Marks 4

QUESTION NO. 4
a) Explain the work of these protocols in Transport/Delivery protocols
i. POP3
ii. SMTP
iii. MIME
iv. MHS Marks 6
b) Which are the four different types of services available with ATM service? Explain
all. Marks 6
c) (i) What is Carrier Sense Multiple Access / Collision Detection? Marks 2
(ii) How it works in the computer networking system? Marks 2
d) Explain the message switching techniques with the aid of a signal delay diagram.
Marks 8
e) Explain any two basic types of ISDN services. Marks 6

QUESTION NO. 5
a) Identify and explain the three main types of firewalls. Marks 6
b) Explain any four techniques of preventing unauthorized data to a computer network
using firewall. Marks 6
c) Explain any three Internet security threats and give the corresponding prevention
measurements. Marks 6

d) (i) What does the Ethernet 5-4-3 rule prescribe in regard to network connectivity?
Marks 3
(ii) Draw a diagram of an Ethernet Coaxial Network. using 5-4-3 rule. Marks 3
e) (i) Define and give specification of the token ring. Marks 2
(ii) Give and explain any two token frame fields. Marks 4

Bmit 217: Internet And Communication Technology Question Paper

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