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Explain the cost of a path between two nodes
Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain the cost of a path between two nodes as the sum of the costs of the links traversed. For every pair of nodes, find a path with the least cost.
What are the data units at dissimilar layers of the TCP / IP protocol suite? The data unit formed at the application layer is called a message, at the transport layer the data
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
Differentiate between Fast fading and Slow fading Fast fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a s
Persistent and No persistent Connections HTTP can use both persistent and non persistent connection. By defaults uses persistent connections. Persistent Connections
Categories of address forms: STATIC: In this type the hardware manufacturer gives permanent physical address to every network manufacturer and interface must ensure th
UDP sends packets 'blind' down the network, and relies on upper-layer protocols to form connections and identify errors. TCP is a connection-oriented protocol that can give reliabl
Question 1 Write short notes on (i) Fiber Distributed Data Interface (ii) Serial Line Question 2 Explain Internet layer and transport layer Internet layer Tran
You require connecting two computers for file sharing. Is it possible to do this without using a hub or router? Yes, you can connect two computers together using only one cable
Determine the uses of firewalls The firewalls available today do all the things, viz., like filter the data packets, provide proxy services and do stateful inspection of packet
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
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