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What is the difference between CSMA/CD and CSMA/CA?
CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first broadcast intent to send prior to data transmission.
THIN ETHERNET WIRING: Thin Ethernet needs thin coax cable that is cost effective and easier to install than thick Ethernet coax. In this case transceiver electronics are creat
Physical Media In order to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider a bit travelling from one end system through a serie
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
Q. Show the TCP connections? Connection establishment Three-way handshake Why is two-way handshake not enough? Connection termination Four steps
Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen
Q. Summary of osi model? - There was no standard for networks in the early period and as a result it was difficult for networks to communicate with each other. - The ISO (In
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
Q. Modem stands for modulator - demodulator ? - Modulator are to creates an analog signal from binary data - Demodulator are to recovers the binary data from the modulated s
Can you define the WAN and LAN Interface in Routers?
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
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