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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
QUESTION (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Discuss about LAN topologies LAN topologies: Network topology is a physical schematic that demonstrates interconnection of the many users. There are four fundamental topolog
Speed Up:- Speed up is the ratio of the time required to implement a given program using a definite algorithm on a machine with one processor (i.e. T (1) (where n=1)) to the ti
Q. Show Upper Layers of tcp-ip model? The Session Layer - The Session layer allows two parties to hold ongoing communications called a session across a network. - Not
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
What is region? When hierarchical routing is used, the routers are separated into what we will call regions, with every router knowing all the details about how to route packet
OSPF ( open Shortest Path First) Open shortest path first is a routing protocols developed for internet protocols networks by the interior gateway protocols working group
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
Thicknet Characteristics It Supports transmission rates up to 10 Mbps in Baseband mode Less expensive in comparison of fiber-optic cable however more expensive than ot
Q. What is Bus Topology? Multipoint configuration One cable acts like a backbone to link all devices Advantages: Effortlessness of installation and less cabling
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