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Internet addresses are divided in five distinct types of classes. The classes were designated A by E. class A address space lets a small number of networks although a large number of machines, whereas class C let for a large number of networks but a comparatively small number of machines per network. The below given figure lists five address classes utilized in classical network addresses.
Figure: The IP Address Structure
Regardless of the class of organizations assigned, address space assigned, a specific class of address will not utilize the whole address space provided. Especially this is in the case of class A & Class B address allocation schemes.
Subscriber Database Core network also hosts the subscribers database ( for e, g HLR in GSM systems). Subscriber database is accessed by core network nodes fro funct
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
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
DNS spoofing This process is generally refers to the process of responding a DNS request that was supposed to implement for another server. This can be in the case where the s
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
What is Multi-mode fiber Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers. FDDI specifies the utilization of dual r
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
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
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