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As the Internet started, the original Classful addressing procedure became a limitation. The IP address space was being terminated because all networks had to select one of three possible sizes. Many addresses were not used.
Two new methods were invented to overcome the limitations, which are as given:
Instead of having three different address classes, allow the division between suffix and prefix to occur on an arbitrary boundary. The classless addressing scheme answers the problem by allowing an ISP to give a prefix. Prefix is 28 bits long.
What is the purpose of cables being shielded and having twisted pairs? The main purpose of this is to stop crosstalk. Crosstalks are electromagnetic interferences or noise that
Assume that a user wants to download from a server a web page that references 3 objects. The base page and each of the objects are of the same size that requires 20 ms transmission
What is SIA or stuck in active
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
Reliability Reliability is the measure of how often a network is usable. MTSF( Mean time Between Failure) is a measure of the average time a component is expected to ope
DNS cache poisoning The DNA cache poisoning generally refers to the process of maintaining or developing the false information, in the cache of DNS server. This process refers
Destination unreachable Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What are the Advantages of adaptive routing (1) An adaptive routing method can improve performance, as realised by the network user. (2) An adaptive routing method can aid
What are routers? Routers work to connect two or more network segments. These are the most intelligent network devices that store information in its routing table like paths, h
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