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Q. What is network layer of osi model?
- Describe end-to-end delivery of packets.
- Defines logical addressing thus that any endpoint can be identified.
- Defines how routing works as well as how routes are learned thus that the packets can be delivered.
- The network layer as well defines how to fragment a packet into smaller packets to accommodate different media.
- Routers work at Layer 3.
- Instances - IPX, IP and AppleTalk.
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
Illustrate the term- Search Engine and Surfing Search Engine: Software used to find information on the Web. Examples are Google, Lycos and Yahoo. Server: A computer with
Q. Protocols and Standards - Cable Network Architecture? - Essential in creating as well as maintaining an open and competitive market for equipment manufacturers and in guaran
whats is ip address
Q. Describe about Data Communications? - Data - Information presented in whatsoever form is agreed upon by the parties creating and using the data - Data Communications - ex
Q. Microwave Applications? - Unicasting - one-to-one communication among sender and receiver - Cellular phones - Satellite networks - Wireless LANs
TCP Connections TCP is an end to end point to point transport used in internet. being a point to point protocols means that there is always s single sender a single
Categorization according to kind of instruction and data According to types of instruction and data subsequent types are identified under this classification: Scalar Pi
Split Horizon - If you attain a protocol's route on an interface, do not send information about that route back out that interface.
FDDI -(Fiber Distributed Data Interface) FDDI Basics: FDDI (Fiber Distributed Data Interface) came about because system managers became concerned with network reliability i
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