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Q. Explain Full Duplex data transmission?
- Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions).
- If this is through we have two separate physical circuits each with a "forward" channel (for data) and a "reverse" channel (for acknowledgements).
- In both cases the bandwidth of the reverse channel is approximately entirely wasted and in effect the user is paying for two circuits but using only the capacity of one.
- A better idea is to utilize the same circuit for data in both directions and in this model the data frames from A to B are intermixed with the Acknowledgement frames from A to B.
- By gazing at the kind field in the header of an incoming frame the receiver can tell whether the frame is data or acknowledgement.
Describe the concept of internetwork and intranetwork routing protocols?
Q. Show VPNs Security and the Internet Model? - VPN's Security and the Internet Model - Application layer - provide for each application protocol (other layers may be left v
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Convergence time is slower for Distant Vector routing and is faster for Link State routing.
Q. Show the Need for Network Layer? Need for Network Layer - To solve the problem of delivery of data through several links. - Accountable for Host to Host delivery
distortion
What is meant by Asymmetrical protocols? There is a many-to-one relationship among clients and server. Clients always initiate the dialog by requesting a service. Servers are p
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Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
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