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The connection-oriented service process for networking is same to the manner in which telephones are used. This is shown as follows:
A caller dials a number of the receiver. The telephone at the receiver end signals the arrival of a connection request. If the called person does not accept; the caller provides up after waiting for a timeout. If the called person does accept, then the connection is created.
In data communication, as binary number identifier is known to each of the two parties to active identification of the connection.
Categories of address forms: STATIC: In this type the hardware manufacturer gives permanent physical address to every network manufacturer and interface must ensure th
Sender requests connection from network. Other receiver agrees to connection. Computers interchange data through connection. One-endpoint requests network to split connection when
a) Consider a hypothetical arrangement of ‘self-learning' bridges shown in the figure below. Assuming all are initially empty, give the forwarding tables for each of the bridges B
Nonselective fading and Selective fading Nonselective fading, is a fading in which all frequency methods of the received signal fluctuate in the similar proportions simultaneo
Some multiple WAN methods are defined below: ARPANET: It start in 1960's. It was operated by Advanced Research Project Agency, which is a company of US defense department.
Question 1 Discuss the following Evolution of Data Communication Elements of Data Communication System Question 2 Explain the following
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.
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
What is region? When hierarchical routing is used, the routers are separated into what we will call regions, with every router knowing all the details about how to route packet
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