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Protocol Layers and their Service Models
The internet is an extremely complicated system. It consists of many pieces like numerous applications and protocols various types of end systems and connection between end systems router and various type of link level media.
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
Q. Show the Need for Network Layer? Need for Network Layer - To solve the problem of delivery of data through several links. - Accountable for Host to Host delivery
Fully connected : It is the most powerful interconnection topology. In this every node is directly associated to all other nodes. The limitation of this network is that it needs t
Given a five station token bus LAN with station addresses of 3000, 500, 100, 70, and 50. Stations with addresses of 5000, 4000, 400, 90, and 60 are waiting to enter the ring. Assum
Question : (a) Describe how ‘prototyping' is important to RAD. (b) List main features of ‘prototyping'. (c) List main principles of DSDM. (d) Describe the DSDM life-
Options Negotiation To use any of the options first requires option negotiation between the client and server. Four control characters are used for this purpose.
What is the Frame relay, in which layer it comes? Ans) Frame relay is an industry standard, shared access, switched Data Link Layer encapsulation that services many virtual circ
Q. Explain the process of piggybacking? When a data frame arrives in its place of immediately sending a separate control frame and the receiver restrains itself and waits until
Reverse Address Resolution Protocol is used to get a layer 3 address if the MAC address is called which then facilitates the loading of the O/S.
When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period
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