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The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a source on one network to a specified receiver. The task is complicated as frame formats and addressing procedures may differ. The key of achieving universal service is universal protocol software (TCP/IP).
A virtual network is given in the figure that TCP/IP software gives to users and applications.
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Which layer is responsible for negotiating data transfer syntax? Ans) The Presentation layer does the following: Manages data representation conversions, or data transfer syntax
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Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when
Is personal firewall actually firewalls?
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Recognize the command that shows traffic statistics on serial0/1? Ans) show interface serial 0/1
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
Compute the shortest path from t to all network nodes.
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