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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 above thousands of kilometres. In contrast, a 56-kbps modem calling a computer in same building has low latency and low bandwidth.
explain the appropriateness of economic and behavioral feasibility
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
FAULT TREE CONSTRUCTION RULES (a) Define the undesired fault condition as the "Top" event. The fault event describes the state of either the system or a component. (b
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
Explain the term - primary memory and hard disk A peculiar situation arises when the existing server arrives at a stage when it cannot handle the requests quickly and most of i
What is EGP (Exterior Gateway Protocol)? It is the protocol the routers in neighboring autonomous systems use to recognize the set of networks that can be reached within or by
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
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