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Circuit switching is a term used in communication where the communicating nodes will be connected through a dedicated channel before any communication may take place. The methodology provides a full guarantee of the channel's full bandwidth and the connection is sustained for the entire session of the communication. The functionality in this case is similar to physical connection of the nodes. A very good example of the circuit switching is the analog telephone networking system. The delay in bit at the time of connection is constant in this case. The concept is useful that it helps in providing continuous transfer but the disadvantage is inflexibility of the use of associated bandwidth and connection for any other uses. The circuit switching is used in telephone networks; in the analog system where the connection is made the before communication.
Application Layer The application layer is where network applications and their application layer protocols reside. The internet application layer includes many protocols
The address recorded by a router should be its outgoing interface. That is, if a router forwards a datagram that has the record route option enabled, and if the datagram arrives at
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Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
Lat take the CONNECT (client side), LISTEN, and ACCEPT (server side) socket primitives a) Why are these three needed for a TCP connection? b) Why are none of them needed for a U
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
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
If a data packet switch has a queue of data packets waiting when a new packet reach. The new packet will be located on the whole queue and will have to wait while the switch forwar
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest c
Header length This field specifies the length of the TCP header in 32 bit words. This information allows the receiver to know the beginning of the data area becau
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