Transmission Media Past Papers 1

Question 1: Fill in the blanks with suitable words. (20)
a) LAN works in a same_____________ and uses_______________ technology.
b) Number of LANs when connected each other, it is called _____________.
c) Wired medias are __________, _____________, ________________
d) Wireless medias are ___________, ____________, ______________
e) Modes of optical fiber cables are _______________, _______________
f) Protocol is the ________ of rules and regulation governs by transmitter and receiver.
g) Wireless media impairments are ____________, _____________, _____________
h) According to construction of fiber optic cable, it is consist of _________, __________,_________
i) Abbreviations of IEEE and ITU-T are ___________, _______________
j) Wave Guides transmission modes are _______________, ______________, _______________

Question 2:
a) What are the necessary network elements?
b) Explain LANs, and WANs and which one devices are use as LAN or WAN. (4+8)

Question 3: Describe the guided and unguided transmission media with examples & implementations of each.

(12)
Question 4:
a) Define fiber optic communication principle and light propagation through fiber optic cable
b) Describe the modes step-index and graded-index of fiber optic media (6+8)
Question 5:

a) Define wave guide and discuss its modes of operation
b) Explain types of wave guides (6+6)
Question 6:

(a) Comparison between centralized and distributed network services.
(b) Highlight private and public Networks (6+6)

Question 7: Write short note on any two of the following (6+6)

(a) Digital Transmission
(b) Dispersion in Fiber

Transmission Media Past Papers 2

Q 1: Explain LANs, MANs and WANs with the help of Example.

Q 2: a) Explain Key Elements Required for Communication Model.
b) Differentiate between Peer-to-Peer Networks and Server Centric Networks.

Q 3: a) Differentiate Centralized Vs Distribution Network Services.
b) What are the key points for selection of Network Operating System?

Q 4: What are the three major classes of Cable Media? Explain.

Q 5: Explain Public Telephone Network in detail with the help of Diagram.

Q 6: What are main types of optical sources. How light propagates in optical fiber.

Q 7: Why do we need protocol and standard? Explain different types of standards.

Q 8: Write note on any two of the following.
• Analog and digital transmission
• VPNs
• Light detectors.

Transmission Media Past Papers 3

Question 1: Fill in the blanks with suitable answers. (20)
1- Transmission medias are ___________, _______________, ________________
2- Wave Guides transmission modes are _______________, ______________, _______________
3- In homes MODEM uses __________GHz frequency for wireless communication.
4- Number of LANs connected each other it become__________.
5- Wired media i.e. copper wire support __________ band width while fiber optic __________ band width
6- Bluetooth uses _________ technology and protocol standard is ___________.
7- Modes of optical fiber cables are _______________, _______________
8- Protocol is the ________ of rules and regulation governs by transmitter and receiver.
9- Wireless media impairments are ____________, _____________, _____________
10- According to construction of fiber optic cable, consisting of _________, __________ and __________

Question 2:
a) What are the necessary network elements?
b) Explain LANs, and WANs and which one devices are use as LAN or WAN. (4+8)

Question 3:
What is meant by FTTH and its technology GPON is growing today explain in all respect. (12)

Question 4:
a) Define fiber optic communication principle and light propagation through fiber optic cable
b) Describe the modes step-index and graded-index of fiber optic media (6+8)

Question 5:
a) Define wave guide and discuss its modes of operation
b) Explain types of wave guides (6+6)

Question 6:
(a) Explain single-mode and multi-mode of fiber optic communication.
(b) Define private and public Networks (8+4)

Question 7:
Write short note on any two of the following (6+6)
a) Rectangular Wave Guide
b) Dispersion in Fiber
c) Wired and Wireless Medias