BSc IT 4th Semester (Sessional (Minor II) Examination, May 2014)
Subject Name: MOBILE COMPUTING
Duration: 1:30 hr.
Max Marks: 50
Section A
(Objective Type Questions) 5 questions of 2 mark each
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Q1. Which of the following is the main difference between TCP and UDP?
(a) TCP is a connection oriented protocol whereas UDP is a connection less protocol
(b) TCP takes more time to deliver data rather than UDP
(c) Both TCP and UDP works in the transport layer segment of TCP/IP protocol stack
(d) None of the above
Q2. IPv4 addressing is of
(a) 8 bits (b) 16 bits (c) 32 bits (d) 48 bits
Q3. Which of the following standard belongs to 2G network?
(a) GSM (b) UMTS (c) AMPS
(d) NMT
Q4. What is the difference between indirect TCP and snooping TCP
(a) Indirect TCP maintains the end to end semantics whereas Snooping TCP doesn’t
(b) In Snooping TCP we have a supervisory node whereas in case of Indirect TCP we don’t have
(c) Indirect TCP works in between wired and wireless medium whereas Snooping TCP doesn’t
(d) (b) Aperiodic signal (c) Digital signal (d) None of these
Q5. While implementing the traditional TCP in wireless networks which of the following problem takes
place
(a) Lower bandwidth (b) High bit error (c) Poor link reliability (d) All of these
Section B
(Short Answer Type) 5 questions of 5 marks each (Attempt any 4)
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Q1. Describe the WAP architecture with a suitable diagram.
Q2. Describe the architecture of Wireless Local Loop (WLL) with a suitable diagram.
Q3. What is IP encapsulation in mobile IP? Describe what is tunneling?
Q4. Describe the IP datagram structure with a suitable diagram.
Q5. Describe the different limitations in case of traditional TCP?
Section C
(Long Answer Type) 3 questions of 10 marks each (Attempt any 2)
Q1. What is Mobile IP? Describe the goals and different terminologies that are associated with it.
Q2. Write short notes on any two of the following
(a) Indirect TCP (b) Snooping TCP (c) MANET (d) 3G network (e) TCP window
Q3. What is DHCP? Briefly explain how DHCP operates?
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