Download JNTUK M-Tech 2020 R19 ECE Mobile Computing Technologies Model Question Paper

FirstRanker.com

I M. Tech I Semester (R19) Regular Examinations

MOBILE COMPUTING TECHNOLOGIES

--- Content provided by‍ FirstRanker.com ---

DEPARTMENT OF ELECTRONICS & COMMUNICATIONS ENGINEERING

MODEL QUESTION PAPER

TIME: 3Hrs. Max. Marks: 75

Answer ONE Question from EACH UNIT.

All questions carry equal marks.

--- Content provided by​ FirstRanker.com ---

UNIT-I

1. a). Discuss the design considerations for mobile computing?
   b). Explain Mobile Computing through Internet

OR

1. a). Explain the three tier architecture of Mobile computing with neat diagram.
   

   --- Content provided by‌ FirstRanker.com ---

   b). Explain Middle ware and Gateways in details.

UNIT-II

1. a). Discuss about the mobile services and data services in GSM.
   b). Describe in detail about GPRS Network Architecture.

OR

--- Content provided by‌ FirstRanker.com ---

1. a). Write in detail about Code division multiple accesses (CDMA).
   b). What are the benefits of reservation schemes? How are collisions avoided during data transmission, why is the probability of collisions lower compared to classical Aloha? What are the disadvantages of reservation schemes?

UNIT-III

1. a). Explain the wireless LAN advantages?
   b). Write a short note on IEEE 802.11 Standards.

--- Content provided by FirstRanker.com ---

OR

1. a). Write about Wireless LAN Architecture with neat sketch.
   b). Discuss about SS 7 Signaling system?

UNIT-IV

1. a). Explain in detail about Security considerations in MIDP?
   

   --- Content provided by FirstRanker.com ---

   b). Write about Optional Packages?

OR

1. a). Draw Symbian OS Architecture and explain in detail.
   b). Discuss in detail about Design Constraints in Applications for Handheld Devices.

UNIT-V

--- Content provided by FirstRanker.com ---

1. a). Compare H.323 and SIP?
   b). Write any two applications of Voice over IP.

OR

1. a). What are different Security Techniques and Algorithms? Explain any one algorithm.
   b). What are Security frameworks for Mobile Environment? Discuss.

--- Content provided by‌ FirstRanker.com ---

FirstRanker.com