08-05-2013, 01:09 PM
MOBILE COMPUTING
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UNIT_I
(3 marks)
1. What is GSM? List the frequencies used in GSM
2. What are he functions of mobile services switching center
3. Write short notes on mobile computing environment
4. Explain any two functions of mobile computing
5. What are the draw backs of cell splitting
6. What are the features of CDMA
7. Give the functions of mobile computing
8. List any four mobile and wireless devices
(5marks)
1. Describe the architecture of mobile computing
2. Explain space division multiplexing
3. Write notes on ACI
4. Explain briefly on SDMA
5. Describe any two mobile devices
6. What are the features of 3G and 4G systems
7. What is CDMA
8. Explain the basic functions of CDMA
9. EXplain the history of cellular mobile communication
10. Briefly explain about CDMA
11. Write notes on multi path propagation
12. Explain FDM
13. Explain any two dimensions of multiplexing
14. How the coverage and capacity in cellular systems can be improves(1+model)
15. compare different types of medium access control techniques
(10 marks)
1. What are the problems with ACI? Explain the ways to overcome the problem
2. Explain the operation of cellular system in detail(2)
3. With a neat diagram explain the architecture of GSM
4. Explain the steps involved in connection establishment between mobile users and MTSO
5. With a neat diagram explain the architecture GPRS in detail
UNIT –II
(3 marks)
1. Write the disadvantages of Infra red
2. List down any three features of WLAN
3. What are the applications of WLAN
4. Write about any two disadvantages of LAN
5. List down the disadvantages of infrared for data communication
6. Write notes on CRC
(5 marks)
1. Discuss the advantages of WLAN in computer networking(2)
2. Draw and explain the 802.11 standard MAC data frame
3. Compare infra red and radio transmission
4. Write short notes on roaming
5. Compare IEEE 802 and OSI model
6. Draw the block diagram of HYPERLAN protocol architecture(2)
7. Write the advantages of WLAN
8. Describe the 802.11 special control packets
(10 marks)
1. Explain the applications of WLAN in various areas of networking
2. Explain the basic structure of MAC data frame(2)
3. Discuss the system architecture of IEEE 802.11 standard(2)
4. What is IEEE 802.11 standard?compare it with OSI model,laer by layer and tabulate the result
5. Discuss in detail the OSI model with the diagram
UNIT-III
(3marks)
1. What is adhoc network
2. Explain OBEX protocol with VCARD
3. What is the use of LMP and L2CAP in Bluetooth
4. Compare TCP/IP and DP protocols
5. Explain security manager
6. Discuss the use of PIN in bluetooth security
(5 marks)
1. Write short notes on dipole antenna(2)
2. Compare WLAN (802.11b)with that of Bluetooth(3)
3. State any five advantages of Bluetooth(4)
4. Write short notes on vertical antenna
5. What is adhoc network? List its characteristics and application
6. Discuss the first 2 profiles (K1&K2) of Bluetooth.
(10 marks)
1. Explain Bluetooth security architecture with a neat diagram(2)
2. Explain in detail about Bluetooth protocols(3)
UNIT –IV
(3 marks)
1. What is tunneling and encapsulation
2. Draw and explain the agent solicitation format
3. What are the applications of DHCP
4. Write short notes on slow start
5. Discuss the operation of BOOTP in IP address management
6. Explain adaptive routing
(5 marks)
1. What are care of address and home agent
2. Write notes on IPv6
3. Briefly explain the mobile IP operation
4. Discuss the process involved in registration
5. What are the terminologies related to mobile IP
6. Explain about snooping TCP
7. Write short notes on reverse tunneling
8. List down the steps for the processing of IP packet delivery
9. Explain the role of ICMP in agent advertisement messages
10. Write the advantages of snooping TCP
11. Explain the types of tunneling in mobile network
12. Discuss congestion control and the ways of solving it in mobile networks
(10 marks)
1. Compare least-cost routing with adaptive routing
2. Explain the importance of DHCP in networking(2)
3. What are the types of routing? Explain them
4. Explain how registration in a mobile node via the FA and directly with the HA
5. Describe the working of mobile TCP in detail
UNIT-V
(3 marks)
1. List the objectives of WAP forum
2. What are the basic objectives of WAP forum
3. Explain WAP client architecture
4. What are the uses of WAP 2.0 services
5. List down the main components of WAP
6. Discuss the application layer and session layer of WAP Architecture