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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.
What are called Fat clients and Fat servers? If the bulk of the application runs on the Client side, then it is Fat clients. It is used for decision support and personal softwa
State the methods to keep the attackers at bay Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design
Q. Show the Masking process? Masking Take out the address of the physical network from an IP address Used by routers inside the organization
Categories of traditional Ethernet a) Baseband - digital signals using Manchester encoding b) 10Base2, 10-Base-T, 10Base5, 10Base-FL c) First number signifies data rate
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
Bootp protocol normally use it in dhcp protocol, it is configured manually in order to give ip add or there relvent host. Rarp is a work just opposite of Arp. Rarp stand for rev
Allows for transmission and receiving of data concurrently
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
XYZ company's executives have approached you to architect, design, and recommend if they should use an IP network infrastructure for all their applications. Here is some informa
Three layers are called upper layers a) Application Layer - 7 b) Presentation Layer - 6 c) Session Layer - 5
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