B.TECH - Semester 8 mobile and wireless networks Question Paper 2008 (may)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Explain the term interference in space, time, frequency and code domain.
- What limits the number of simultaneous users in a TDM/FDM system compared to a CDM system?
- What is the basic prerequisite for applying FDMA? How does this factor increase complexity compared to TDMA systems?
- How much of the original GSM network does GPRS need? Which elements of the network perform the data transfer?
- What are the general problems of satellite signals travelling from a satellite to a receiver?
- How do IEEE 802.11 solve the hidden terminal problem?
- What are the differences between infrastructure based and ad-hoc networks regarding roaming?
- What advantages does the use of IPv6 offer for mobility?
- What is the basic purpose of DHCP? Name the entities of DHCP.
- What do you mean by TCP snooping? ( $10 \times 4=40$ Marks) PART - B Answer one full Question from each module. Each full Question carries 20 marks.
- Discuss the working of DSSS and FHSS systems.
- (a) Explain hidden terminal and exposed terminal problems. What happens in the case of such terminals if Aloha, slotted Aloha, reservation Aloha, or MACA is used?
- (b) Discuss about the different multiplexing techniques.
- (a) Explain the functional architecture of a GSM system.
- (b) Explain how handover is done in a GSM system.
- Explain the architecture of a bluetooth network.
- Describe the components and interface of WAP1.X architecture and explain the method of integrating WAP components into existing fixed and wireless networks.
- (a) What are general problems of mobile IP regarding security and support of quality of service?
- (b) What problems of HTTP can WSP solve? Why are these solutions especially needed in wireless mobile environments? ( $3 \times 20=60$ Marks) N - 6671