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Addressing
Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
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
What is a computer network? Computer Network is a collection of distributed intelligent devices that are connected with each other with transmission media for the purpose of da
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
Q. What is network layer of osi model? - Describe end-to-end delivery of packets. - Defines logical addressing thus that any endpoint can be identified. - Defines how ro
Q. Illustrate Data-Link Layer in osi layers model? Data-Link Layer: This layer takes the data messages or frames from the Network Layer and gives for their actual transmissio
Sender requests connection from network. Other receiver agrees to connection. Computers interchange data through connection. One-endpoint requests network to split connection when
Internet addresses are divided in five distinct types of classes. The classes were designated A by E. class A address space lets a small number of networks although a large number
What is the method of ICMP packets?
State about transcontinental ?ber A transcontinental ?ber link may have many gigabits/sec of the bandwidth, but latency will also be high due to speed of light propagation abov
Customer Premise Equipment (CPE) are devices physically located at the subscriber's premises. Includes both owned and leased equipment.
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