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Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches modify routing table based on received message.
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
Q. Single Mode for transmitting optical signals? - Merely one beam from a light source is transmitted using a smaller range of angles - Smaller diameter as well as lower de
What is MAN? MAN - Metropolitan Area Networks. MAN is bigger than a LAN and as its name implies, covers the area of a single city. MANs rarely extend beyond 100 KM and frequ
Q. Why we use numbering frames? Why numbering frames? Stop--and-wait ARQ, 1. Numbering Frames prevents the retaining of duplicate frames.. 2. Numbered acknowled
Introduction of DNS While discussing about the Internet, one things comes automatically in the n=mind and hence it is directly or indirectly depended on DNS. The DNS which sta
Process of Securing an Intranet Securing an Intranet is not a simple task. Mere installation of firewall hardware and software would not help the Intranet to protect itself. P
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
What is an Ethernet? The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalf
Concept Of Permutation Network In permutation interconnection networks the information replace requires data transfer from input set of nodes to output set of nodes and likely
Write the definition of IPX and UDP IPX: Inter-network Packet Exchange supports the transport and network layers of the OSI network model. It provides fast, unreliable, communi
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