Q.1
a.What is the relationship between a base station and a mobile switching center?
b.What is the maximum number of callers in each cell in a GSM?
c.Explain briefly the functions of Host Controller Interface (HCI) and Service Discovery Protocol (SDP).
d.What is Hidden Terminal and Exposed Terminal problem? Explain.
e.Mention atleast four limitations/challenges that wireless LAN technology needs to
overcome.
f.Differentiate between adjacent channel and co-channel interference.
g.What is objective of WEP? How it is achieved?
Q.2
a.Explain the term interference and countermeasures in SDMA, TDMA, FDMA and
CDMA systems(8)
b.Discuss various identifiers/addresses-IMEI, IMSI, MSISDN, MSRN, LAI, TMSI,LMSI, CI and BSIC
-provided in GSMD istinguish between user related and system related identifiers.(10)
Q.3
a.Describe Bluetooth architecture and protocol. Also discuss its limitations.(10)
b.What are the several requirements that accompanied the development of the mobileIP as a standard to
enable mobility in the internet?(8)
Q.4
a.How is handoffs in cellular mobile communication affected by handoff threshold and
minimum acceptable signal level? Illustrate Hard Handoff and Soft Handoff incellular mobile communication systems.(6)
What do you mean by the following terms: AUC, HLR, VLR, and EIR? Explain
briefly.(8)
c.Looking at the HLR/VLR database approach used in GSM—how does this architecture limit the scalability in terms of users, especially moving users?(4)
Q.5
a.What are the different types of Inter Frame Space (IFS) used by IEEE 802.11protocol? Explain their purpose.(4)
b.
Explain in brief the Frequency Hopping Spread Spectrum (FHSS) technique
.
(4)
c.Most wired LANs products use Carrier Sense Multiple Access with
Collision
Detection (CSMA/CD) as the MAC protocol. However wireless topologies can
create a problem for CSMA/CD. What challenges must be dealt with by the MAC
used for IEEE 802.11? Discuss main steps of the solution to these problems.(10)
Q.6
a.Give an overview of mechanism, advantages and disadvantages of following classical
enhancements to TCP for mobility:(12)
(i) Indirect TCP
(ii)Snooping TCP
(iii) M-TCP
(iv) Fast retransmit /fast recovery
b.Discuss two basic transport mechanisms used by Digital Audio Broadcasting (DAB).(6)
Q.7
a.What are the functions of authentication and encryption in GSM? How is system
security maintained?(4)
b.Discuss three different forms of human-computer interaction:active, passive and coercive with respect to pervasive computing.(6)
c.Discuss working of Mobile agent. For what types of applications mobile agents are suitable?
(1) List different types of transformations.
(2) Explain Briefly: OHA
(3) What are the different types of android platform available
(4) List indicator which are used to display data to users
(5) List tab available in Android Manifest File.
Que 2(a)What is gradient? How many types of gradient available. Write a program to draw circle with any one gradients.03
(b)What are the important android terminologies? Explain briefly.03
OR
(b)List different dialog box available in android application and explain any one with example.03
Que 3.Explain Lifecycle of android Activity with diagram.06
OR
Que 3.What are the uses of Android Manifest File explain briefly.06
Que 4.What is style and theme? How to create and use it.06
OR
Que 4.What is resource? List different types of resources available in android application. Explain /res/values/ Android Resource Directories and its resources.06
Que 5.Write android application which accept username and password and if user enter ‘gardi’ and ‘mca’ for username and password respectively, then it will transfer control to other page. If login fail then display appropriate message.06
OR
Que 5.Write android application which contains list of cars in list view and if user select any car then it should display its detail in new page like car model, color, average and price.
Que. 1
(1) List different types of transformations.
(2) Explain Briefly: OHA
(3) What are the different types of android platform available
(4) List indicator which are used to display data to users
(5) List tab available in Android Manifest File.
Que 2(a)What is gradient? How many types of gradient available. Write a program to draw circle with any one gradients.03
(b)What are the important android terminologies? Explain briefly.03
OR
(b)List different dialog box available in android application and explain any one with example.03
Que 3.Explain Lifecycle of android Activity with diagram.06
OR
Que 3.What are the uses of Android Manifest File explain briefly.06
Que 4.
What is style and theme? How to create and use it.06
OR
Que 4.What is resource? List different types of resources available in android application. Explain /res/values/ Android Resource Directories and its resources.06
Que 5.Write android application which accept username and password and if user enter ‘gardi’ and ‘mca’ for username and password respectively, then it will transfer control to other page. If login fail then display appropriate message.06
OR
Que 5.Write android application which contains list of cars in list view and if user select any car then it should display its detail in new page like car model, color, average and price.
Que. 1
(1) List different types of transformations.
(2) Explain Briefly: OHA
(3) What are the different types of android platform available
(4) List indicator which are used to display data to users
(5) List tab available in Android Manifest File.
Que 2(a)What is gradient? How many types of gradient available. Write a program to draw circle with any one gradients.03
(b)What are the important android terminologies? Explain briefly.03
OR
(b)List different dialog box available in android application and explain any one with example.03
Que 3.Explain Lifecycle of android Activity with diagram.06
OR
Que 3.What are the uses of Android Manifest File explain briefly.06
Que 4.What is style and theme? How to create and use it.06
OR
Que 4.What is resource? List different types of resources available in android application. Explain /res/values/ Android Resource Directories and its resources.06
Que 5.
Write android application which accept username and password and if user enter ‘gardi’ and ‘mca’ for username and password respectively, then it will transfer control to other page. If login fail then display appropriate message.06
OR
Que 5.Write android application which contains list of cars in list view and if user select any car then it should display its detail in new page like car model, color, average and price.
Que. 1
(1) List different types of transformations.
(2) Explain Briefly: OHA
(3) What are the different types of android platform available
(4) List indicator which are used to display data to users
(5) List tab available in Android Manifest File.
Que 2(a)What is gradient? How many types of gradient available. Write a program to draw circle with any one gradients.03
(b)
What are the important android terminologies? Explain briefly.03
OR
(b)
List different dialog box available in android application and explain any one with example.03
Que 3.Explain Lifecycle of android Activity with diagram.06
OR
Que 3.What are the uses of Android Manifest File explain briefly.06
Que 4.What is style and theme? How to create and use it.06
OR
Que 4.What is resource? List different types of resources available in android application. Explain /res/values/ Android Resource Directories and its resources.06
Que 5.Write android application which accept username and password and if user enter ‘gardi’ and ‘mca’ for username and password respectively, then it will transfer control to other page. If login fail then display appropriate message.06
OR
Que 5.Write android application which contains list of cars in list view and if user select any car then it should display its detail in new page like car model, color, average and price.
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