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Explain what are the External Threats
External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated technology, a number of new threats have developed. It becomes difficult to know when an outsider will attempt to hack the systems or who the intruder maybe. There are a number of examples in the past, the recent being hacking of the government's servers by certain terrorists and foreign nationals.
Some people go to great extremes to gain access to the systems and information. If the Intranet is connected with the outside world via the Internet, it will discover a whole new set of potential problems and subject to a number of attacks. Internal & external threats are shown by Figure1, where one Internal person in Intranet is trying to break the Internal security and one external person is also trying to enter in the Intranet of the organisation.
importance of mail server ,proxy server ,modem ,intranet and web site
Configure basic switch parameters. Configure the S1, S2, and S3 switches according to the following guidelines: Configure the switch hostname. Disable DNS lookup.
Q. Multimode for transmitting optical signals? - Multiple beams from light source travel through core at different paths - Multimode step-index fiber Density remains
Can you describe the concept of subnetting?
telecommunication processors
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
QUESTION (a) In CSS, each element in a document is considered to be in an invisible box. Give three ways how to make the box visible (b) (i) Explain the meaning and use of t
DNS - Server Attacks It’s not so easy to list all the associated attacks as they are evolving way so fast. As any error of flaw is identified, a patch is released in response
Tree interconnection network Tree interconnection network(TIN)), processors are organized in a whole binary tree pattern.
Define the term - Handoff and Dynamic configuration Handoff/roaming The MAC protocol used in the wireless LAN should enable mobile stations to move from one cell to anoth
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