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Security risks present on the networks
Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of servers get connected to the global community but it is less than one percent companies who serious thinks about the security issues. A study of security of web servers reveal that out of 2,000 high-profile web servers consisting of various kinds such as commerce servers, banks, industries, government and so on, only three companies noticed the breaches.
Question: a) In a wireless network where WEP is enforced as security mechanism, what procedure would the network manager adopt for changing WEP default keys. b) Using Pla
FDDI Media Class B or SAS (single-attachment stations) attach to one ring Class A or DAS (dual attachment stations) attach to both rings. SASs is attached to the primary rin
Design, develop and build network systems
So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every c
Transparency really means adumbrating the network and its servers from the users and even the application programmers.
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
What is Forward Error Correction and data words Forward error correction It is the process in which the receiver tries to guess the message by using redundant bits. Da
The diagram below offers an overall view on the methods use by both the OSI and TCP/IP model. ISO Approach - Occasionally called Horizontal Approach - OSI asse
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
define the concept of routing protocol?
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