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PACKET SWITCHES:
To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to another. That's why they are known as packet switches. A packet switch consists of a small device with network interfaces, a storage and a program dedicated to packet switching application.
A packet switch is given in the figure below.
In case of any new event switch do broadcast, after that always do Unicast.
Recognize the hardware component used to store buffers, tables, running-configuration etc? Ans) RAM is the dynamic memory area. ROM have the boot strap code, NVRAM have the star
What is difference among routing and routed protocols? Ans) i) Routing use for top path selection ii) Routed protocol carries on source and destination information.
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
Can you describe TCP header in detail?
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
Q. Explain about Multiplicative Decrease ? Multiplicative Decrease (MD) if a time-out take places the threshold is set to one maximum segment size (TCP Tahoe, TCP Reno).
COMPUTER NETWORKS 1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model. 2. Define the following terms: a) Ana
Advantage of IP sec Tunnelling Mode IP Sec tunnelling mode has the following advantages: a.Security : Ts IP sec tunnelling mode secure somewhat but not the best. In a
You must write the 6 programs described below. All of these are command-line tools that follow the Unix style of passing switches and arguments on the command line. As such, your p
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