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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.
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
State some Security Models The first and foremost thing one needs to do is to chalk out a security plan and policy based on any security model. The term security policy shall
I Have an exam Questions and i would like it to be answered. Thanks
Q. What are the Tools sued for Cryptography and Web Security? Tools - Cryptography VPN - remote access PGP - email Dedicated Circuits -tunnels' - IPSec
Multicast and Broadcast In broadcast interconnection network at an individual time one node sends the data and all other nodes obtain that data. Broadcast can be termed as on
What is Synchronous TDM? In STDM, the multiplexer allocates exactly the same time slot to every device at all times, whether or not a device has anything to transmit.
1. A computer system has a two-level memory cache hierarchy. The L1 cache has a zero hit penalty, a miss penalty of 5 ns and a hit rate of 95 percent. The L2 cache has a miss pena
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
Receive Window This field defines the size of the window in bytes that the other party must maintain. Note that the length of this field 16 bits which means
Let's imagine that we have 2 TCP clients. A simple one (modTCPClient.c) like the one you wrote in the first part of project 2 and another one (modTCPClient1.c) that after it connec
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