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Question:
a) With the help of a diagram, describe clusters in cellular systems.
b) Describe the role of the following components in the GSM architecture
c) Briefly describe a popular 3G system.
d) What is the ISM band and what is particular about this frequency band? Name two wireless technologies that make use of the ISM frequency band.
e) What is a piconet in a Bluetooth context? Discuss the concept of Master, slave, stand-by and parked devices with respect to a Bluetooth piconet.
f) Consider the security aspects in both Wireless Local Area Networks (LANs) and Personal Area Networks (PANs).
i) What are the security problems introduced in Wireless LANs and PANs?
ii) What level of security can the IEEE 802.11 and Bluetooth standards provide?
Explain briefly any three of the commonly used code optimization techniques. 1. Common sub expression elimination: In given expression as "(a+b)-(a+b)/4", in such "common
Application layer (layer 4) in TCP/IP model corresponds to? In OSI model, application layer (layer 4) in TCP/IP model corresponds to layer 6 and layer 7.
SS7 Protocol uses: (A) Out of band signalling. (B) Associated signalling. (C) Speech control signalling. (D) No signalling. Ans: SS7 Protocol uses Out of
Static modeling is used to state structure of the objects that are in the problem domain. These are expressed using class, object and USECASE diagrams. But Dynamic modeling sig
source code for IMPLEMENTATION FOR ELECTROMAGNETIC INDUCTION
Q. Learn synchronization principles? To learn synchronization subsequent dependencies are recognized: i) Data Dependency: These are RAW, WAW and WAR dependency. ii) Co
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has sure "structure" b
ID3 algorithm: Further for the calculation for information gain is the most difficult part of this algorithm. Hence ID3 performs a search whereby the search states are decisio
Structured and Modular programming. Structured programming means the collection of principles and practices that are directed toward developing correct programs which are simpl
What are privileged instructions? Some of the machine instructions that might cause harm to a system are designated as privileged instructions. The hardware permits the privil
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