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Q. Use of Infrared?
- Frequencies among 300 GHz and 400 THz
- Short-range communication
- High frequencies can't penetrate walls
- Necessitate line-of-sight propagation
- Advantage prevents interference between systems in adjacent rooms
- Disadvantage can't use for long-range communication or outside a building due to sun's rays
Next hop to receiver does not relay on source of packet. This phenomenon is known 'Source Independence'. It has various benefits. It gives efficient and fast routing. Packet switch
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The Network layer is used to route physical data to the destination point, it decides the actual path from where data travels to destination point. The network layer supports both
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
Describe Network Topology and VPN Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they j
In point-to-point message passing, single process sends/receives message to/from another process. There are four communication modes for sending a message: i) Buffered mode
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Can you describe screened subnet architecture?
Each link layer process will have two connections: one "up" to the appropriate IP layer process, and one "sideways" to the link layer process on the simulated machine at the other
As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer
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