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Old 21st July 2015, 12:35 PM
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Join Date: Apr 2013
Default Re: MPC Question Paper Anna University

As you want I am here providing you here sample question paper of Mobile and Pervasive Computing subject of a course of Anna University.

Sample paper :

1. What are the main problems of signal propagation?
Ans: Power additionally influenced by
fading (frequency dependent)
shadowing
Reflection at large obstacles
Refraction depending on the density of a medium
oscattering at small obstacles
Diffraction at edges

2. Give the use of SDMA.
Ans: Space Division Multiple Access (SDMA) is used for allocating separated
spaces to users in wireless networks. The basis for the SDMA algorithm is
formed by cells and sectorized antennas which constitute the infrastructure
implementing space division multiplexing (SDM)

3. Define GPRS.
Ans: The General Packet Radio Service provides packet mode transfer for
applications that exhibit traffic patterns such as frequent transmission of small
volumes.

4. What do you mean by DAMA?
Ans: Demand Assigned Multiple Access Channel efficiency only 18% for Aloha,
36% for Slotted Aloha (assuming Poisson distribution for packet arrival and
packet length). Reservation can increase efficiency to 80%

5. What are the various versions of a physical layer defined in IEEE 802.11
standards?
Ans: IEEE 802.11-83.5 MHz
IEEE 802.11a -300 MHz
IEEE 802.11b – 83.5 MHz
IEEE 802.11g - 83.5 MHz

6. List the three low power states to save battery power in a Bluetooth device.
Ans: PARK state
HOLD state
SNIFF state

7. What are the two kinds of entities in mobile IP?
Ans: Two kinds of entities
Foreign network
Home network
MPC exam paper Anna university






Address:
Anna University
MIT Road,Chromepet,Chennai,Tamil Nadu 600044
Anna University, Kotturpuram
Chennai, Tamil Nadu 600025

Map;

Here is the attachment.
Attached Files
File Type: pdf MPC exam paper Anna university.pdf (1.17 MB, 125 views)
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