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Q. Fiber-Optic Cable as transmission media?
- Made of glass signals are transmit like light pulses from an LED or laser
- Light is as well a form of electromagnetic energy
- Speed depends on density of medium it is travelling through fastest when in a vacuum 186000 miles/second
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
Explain is the concept of routing tables?
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
Can you describe in a generic manner the packet of IPSec
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
List of protocols in Network topology,
How many IP addresses can come in IPV4?
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
Packet Switching In the packet switching network type on specific path is used for data transfer. Instead the data is chopped up into small pieces called packed and s
persistent
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