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802.11b HR DSSS
a) High-rate DSSS using a 2.4 GHz band
b) Similar to DSSS excluding for encoding method
c) Uses complementary code keying (CCK), encoding 4 or 8 bits to one CCK symbol
d) Defines four data rates: 1, 2, 5.5 and 11 Mbps
Internet addresses are divided in five distinct types of classes. The classes were designated A by E. class A address space lets a small number of networks although a large number
Name the three ways or wireless data to be propagated.
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
a) An Introduction/Overview of Network Security issues. b) A Risk Assessment analysis- to include: Assets T
Q. Describe Differential Manchester? - Inversion at middle of bit interval is utilized for synchronization - Presence or else absence of additional transition at beginning o
Addressing Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
Q. Illustrate the Advantages of VLANs? - Cost and time reduction in moving stations from one group to another - Creation of virtual workgroups - Security Position of
Medium Earth Orbiting satellite is an orbit which is located just above the few hundred miles to a few thousands above the earth surface. It is of higher advantage than Low orbit s
List the Advantages of microwaves. a. They need no right of way acquisition among towers. b. They can carry high quantities of information because of their high operating f
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