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Q. Show the Model for Network Access Security?
Model for Network Access Security
(1) Gatekeeper functions comprise Password-based login authentications.
(2) A variety of internal controls that monitor activity and analyze stored information in an attempt to detect the presence of unwanted intruders.
What are the basic LAN topologies? The three simple LAN topologies that are combined to shape any practical topology are called as basic LAN topologies. They are, Bus Topology
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
Control Frames for Lost Tokens If station goes down ... token lost Predecessor listens for data frame or token Noticing none, retransmits token Sends whofoll
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
What are the different types of network topologies
Role of Software in Intranet For an Intranet to be successful, it must have strong software support. In this section, a brief description of the operating system, groupware an
Three layers are called upper layers a) Application Layer - 7 b) Presentation Layer - 6 c) Session Layer - 5
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Programming Based on Message Passing As we know, the programming model based on message passing uses high level programming languages like C/C++ along with a number of message
.test a number to be prime number in network security
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