Mobile Computing Important and Assignment Questions
Write one question from Vth to VIIth unit as assignment
UNIT
V
Syllabus
Database Issues
Database hoarding caching techniques-S
computing&adaptation,transactional models, Query processing,Data Recovery
Process&QOS.
Objectives
·
It mainly describes Database Issues.
·
It introduces caching techniques to handle
database.
·
It also deals with QOS issues.
Important
Questions
1(a) The push based broad cast
are not suitable for large data size, justify.
(b) Explain about on demand data scheduling.
2. Explain in detail about
caching invalidation mechanism.
3. Write short notes on QOS.
4. Explain in detail about
Query Recovery process.
Assignment Questions
1. Explain in detail about
caching invalidation mechanism.
2. Write short notes on QOS.
3. Explain in detail about
Query Recovery process.
Case Studies
Ø List out the service primitives of QOS.
Ø Discuss various Database Issues.
-------------------------------------
UNIT VI
Syllabus
Data dissemination and synchronization,
communications asymmetry, classification of data delivery mechanisms, data
dissemination broadcast models, selective tuning and indexing methods, Digital
audio and video broadcasting(DAB&DVB).Data synchronization- Introduction,
software and protocols.
Objectives
·
To introduce data delivey mechanism and
data dissemination.
·
Understanding other areas such as DAB
and DVB.
·
It also describes several methods on
selective tuning and indexing.
Important
Questions
1. a) Explain the functions of Hybrid mechanisms with a neat
sketch.
b) Explain Index-based method.
2. a) Explain the functions of pull based
mechanisms with a neat sketch.
b) Explain about Hash-based method.
3. Describe briefly about
selective tuning and indexing technique.
Assignment Questions
1.a) Explain the functions of Hybrid mechanisms with a neat
sketch.
b) Explain Index-based method.
2. a) Explain the functions of pull based
mechanisms with a neat sketch.
b) Explain about Hash-based method.
Case
Studies
Ø Prepare
DAB mechanism with real time examples.
Ø Prepare
Hybrid mechanism with real time examples.
UNIT VII
Syllabus
Mobile Adhoc Networks(MANETs):
Introduction,Applications &challenges of a
MANET,routing,classification of routing algorithms,algorithms such as
DSR,AODV,DSDV,etc.Mobile agents,service discovery.
Objectives
·
Deals with Mobile Adhoc Networks
(MANETs)
·
Describes several routing algorithms.
·
Introduces various technologies on
routing.
·
Brief description on Mobile Agents.
Important
Questions
1
(a) What is MANET? How is it different from cellular system?
(b)
What are the essential features of MANET?
(c) What are the applications of MANET?
2. (a) Differentiate between
AODV and the standard distance vector algorithm.
(b) Explain about Hybrid routing protocols.
3. (a)What are the applications
of MANET.
(b) Distinguish between proactive and
reactive routing protocols.
4. (a) Explain about on-demand
multicasting routing protocol.
(b) Describe MANET. How does a MANET differ
from a fixed infrastructure network?
Assignment Questions
1.(a) Differentiate between
AODV and the standard distance vector algorithm.
(b)
Explain about Hybrid routing protocols.
2.(a)What are the applications
of MANET.
(b) Distinguish between proactive and
reactive routing protocols.
Case Studies
Ø
List out various routing algorithms with advantages and
disadvantages.
Ø
Briefly present various applications of MANET.
----------------------------------------------------
UNIT
I
Syllabus
Introduction:Mobile Communications,Mobile
computing-Paradigm, Promises/Novel Applications and Impediments and
Architecture, Mobile and Handheld Devices, Limitations of Mobile and Handheld Devices.
GSM-services, system architecture,radio
interfaces,protocols,localization,calling,handoverSecurity,new data
services-GPRS,CSHSD,DECT.
Objectives
·
The main objective is to know the
environment of mobile communications.
·
To differentiate between handheld and
mobile devices.
·
To know about the GSM technology.
·
To get an idea on several new data
services such as GPRS,DECT etc
Important
Questions
1.
With
the help of a neat diagram, explain the reference model of wireless and
mobile
networks.
2. Describe
the security services that are offered by GSM?
3. Describe the handover and services available
in GSM.
4.
Explain in detail about system architecture of GSM with neat sketch.
5. What do you mean by mobile terminated
call (MTC) and mobile originated
call (MOC)? Explain.
Case Studies
Ø
Construct a LAN by creating a sector,a piconet,area for GSM mobile
systems.
Ø
List out Mobile and Handheld devices.
Assignment Questions
1. Describe the handover and
services available in GSM.
2. Explain in detail about system architecture
of GSM with neat sketch.
3. What do you mean by mobile
terminated call (MTC) and mobile originated
call (MOC)? Explain.
---------------------------------------------------------
UNIT II
Syllabus
(wireless)medium access control(MAC).Motivation for
a specialized MAC (hidden and exposed terminals,near and farterminals),SDMA,FDMA,TDMA,CDMA,MAC
protocols for GSM,wireless LAN(IEEE802.11),collision avoidance(MACA,MACAW) protocols.
Objectives
·
It mainly introduces about several
medium access techniques such as frequency,code,time and space.
·
To know about wireless LAN ie:
IEEE802.11
It also deals with collision avoidance protocols.
Important
Questions
1. Explain multiple access with collision avoidance
(MACA) through state machine diagrams.
2. Explain
Networking, Security and link management in Bluetooth.
3. Explain Code Division Multiplexing and also explain
its advantages and disadvantages.
4. Describe briefly the layers in Bluetooth protocol with
a neat sketch.
- a) Describe fixed TDM algorithm.
b)
Explain classical Aloha and slotted Aloha with a neat sketch.
6. Explain
about carrier sense multiple access with collosion detection. What
are the schemes introduced to avoid
problems of CSMA/CD.
Assignment Questions
1.
Describe
briefly the layers in Bluetooth protocol with a neat sketch.
2.
a) Describe fixed TDM
algorithm.
b) Explain classical Aloha and slotted Aloha with a
neat sketch.
3. Explain about carrier sense multiple
access with collosion detection. What
are the schemes introduced to avoid
problems of CSMA/CD.
Case Studies
Ø
Describe IEEE 802.11 wireless LAN format.
Ø
Prepare a brief study on Medium Access Protocols.
############################
UNIT
III
Syllabus
Mobile IP Network Layer:IP and Mobile IP network
layers,packet delivery and handover management,location
management,registration,tunneling and encapsulation,route optimization,DHCP.
Objectives
·
It mainly deals with Mobile IP Network
layer.
·
It deals with several mechanisms such as
hanover,registration,tunneling etc.
·
It introduces protocol called DHCP.
Important
Questions
1. a)Explain in
detail about IP packet delivery with a neat sketch.
b) List and describe the requirements of
mobile IP.
2 Explain the header fields of IP-in-IP,
minimal, generic routing encapsulation.
3. Explain briefly about IP encapsulation
mechanisms.
4. Explain about an agent advertisement with
neat sketch.
Assignment Questions
1. Explain the header fields of IP-in-IP,
minimal, generic routing encapsulation.
2. Explain briefly about IP encapsulation
mechanisms.
3. Explain about an agent advertisement with
neat sketch.
Case Studies
Ø Present the various formats of Mobile IP registration.
Ø Briefly list out IP Encapsulation mechanisms.
------------------------------------
UNIT
IV
Syllabus
Mobile transport layer:
Conventional TCP/IP protocols,Indirect TCP,snooping
TCP,mobile TCP,other transport layer protocols for mobile networks.
Objectives
·
It mainly deals with Mobile Transport
layer.
·
It compares traditional TCP with mobile
TCP.
·
It tells about other protocols for
mobile networks.
Important
Questions
1.
Explain
in detail classical enhancements to TCP for mobility.
2. a)Explain
the concept of fast transmit/fast recovery in traditional TCP.
b) Describe briefly on congestion
control in traditional TCP.
3. What
are the special requirements in transport layer protocols in case
of 2.5 G/3G mobile networks.
4. Describe about the indirect TCP.
5. Explain the concept
of M-TCP and also give with its advantages and disadvantages.
6. Explain snooping TCP and also given its
advantages and disadvantages.
Assignment Questions
1. Describe
about the Indirect TCP.
2. Explain the concept
of M-TCP and also give with its advantages and disadvantages.
3. Explain snooping TCP and also given its
advantages and disadvantages.
Case
Studies
Ø List
out the features of various TCP/IP mechanisms.
Ø Compare
various categories of TCP.
------------------------------------------------
