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Explain about the Digital traffic channels
The most notable difference among the two generations is that first generation systems are almost purely analog, while second generation systems are digital. In particular, the first generation systems are designed to support voice channels using FM; digital traffic is supported only by the use of a modem that converts the digital data into analog form. Second generation systems provide digital traffic channels.
Other than performance issues, there could be security reasons for using something like xinetd. Make simple design in which a new version of xinetd gives a layer of security.
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
What is General Middleware in client server environment? Ans) It having the communication stacks, distributed directories, authentication services, network time, RPC, Queuing se
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
Explain the term- congestion The average queue size over the last cycle and the current cycle is calculated. This value is the threshold. By averaging over two cycles instead o
Q. Comparing Transport for TCP/IP and osi model? - The features of TCP and UDP defined at TCP/IP Transport Layer correspond to many of the requirements of the OSI Transport Lay
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Explain teh term- Bits and Bitmap Many tiny dots, which are put together to make a picture. Bits are combined to make a graphic image called a bitmap. GIF and JPEG files are
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