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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?
Procedure The only difference between e-commerce and conventional commerce is that goods in e-commerce are purchased over the internet using a credit card. Also buying and sel
Explain The while loop in C The while loop keeps repeating an action until an associated test returns false. This is useful where the programmer does not know in advance how ma
Meaning of Literal is:- Literal is string constant.
DMA controllers in computer system: DMA Controller Part of the I/O device interface DMA Channels Performs functions that in general would be performed by t
Use SAVE when you are revising an existing document. Use SAVE AS when you are making a new document from scratch or an existing document. This will remain the original document
You insert rendezvous points into Vuser scripts to imitate heavy user load on the server. Rendezvous points instruct Vusers to wait during test implementation for multiple Vusers t
process
SMTP is a Protocol used for transferring message among end user & Mail Server.
The number and nature of registers is a major factor which distinguishes among computers. For illustration, Intel Pentium has about 32 registers. A number of these registers are sp
Q. Standards used for development of a system? Documentation standards: It must be an ongoing activity at the time of system development life cycle. Quality Standards:
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