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Q. What is Session Layer in osi model?
Session Layer: Allows two applications to establish, utilize and disconnect a connection between them known as a session. Gives for name recognition and additional functions like security, which are required to allow applications to communicate over the network.
Presentation Layer: Evaluates the format used to exchange data among networked computers.
Application Layer: Gives Applications with access to network services.
On a LAN where are IP Datagram transported?
Middleware is distributed software required to support interaction among clients and servers. In short, it is the software that is in the middle of the Client/Server systems and it
What are the characteristics of Client/Server? Service Encapsulation of services Shared resources Asymmetrical protocols Mix-and-match Transparency of location
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
User Server Interaction Cookies of the world wide web was originally designed as a stateess entity. A client sends a request and the server responds. Their relationship
Q. Explain about Mesh Topology? - Dedicated point-to-point links to each other device - n (n-1)/2 links an every device will have n-1 I/O ports - Advantages - Dedic
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
what is variable ip address
What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
Q. What is an Error? At any time bits flow from one point to another they are subject to unpredictable changes because of interference The interference is able to change the
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