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State the Example of security audit as case study
Linda narrates one of her experience about a security audit. She was performing a spot audit where she was checking certain systems. It was noticed that there could be systems that was not even part of the audit. The exact location on the network layout plan was found out and it was noticed that it had an extra connection to it but she could not make out by the network map where the connection lead to. Consequently, she decided to audit that system and found that it was connected to the Internet, to that company's Intranet as well as to a customer network. Still ahead, it was found that a hacker had broken into the system and replaced the system files and put them back in proper place. Nobody in the company even knew that the system had been broken into and only two people knew that it was even connected to the Internet.
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
Cisco Router architecture Overall architecture of Cisco 2600 router is given below The Following components of routers are 1. WIC slots 2. communications
802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
Operating system for Clients All of the clients running popular operating systems such as Microsoft Windows, Mac OS, UNIX, etc., could be used to function as backbone software
what is max length of cable I can use
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
OSPF ( open Shortest Path First) Open shortest path first is a routing protocols developed for internet protocols networks by the interior gateway protocols working group
Company Access Company access is that in which end systems are connected in connecting end systems in a organization or educational institution into the network. On co
In Windows 2000, a domain describes both an administrative boundary and a security boundary for a collection of objects that are relevant to a particular group of users on a networ
What is Star topology Each station is directly connected to a common central node. Typically, each station attaches to a central node via two point-to-point links, one for tran
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