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Q. How two adjacent layers communicate in a layered network or what do you understand by Service Access Point?
Ans: In layered network, each layer has several entities and entities of layer i give service to the entities of layer i+1. The services will be accessed through service access point (SAP), which has some address through which the layer i+1 will access the services provided by layer.
TCP creates a reliable data transfer service, in addition to IP''s unreliable best-effort service. Study the related sections of the text, and in your own words, summarize how TCP
Mail Access Protocols The e mail message are usually sent to an email server that stores received message in the recipient e mail mailbox. The user retrieves messa
Q. Show the process of Mail Delivery? Mail Delivery -Consists of three stages -First stage - email goes from user agent to local server, where it is stored until it ma
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.
In IPSec what is SAD, SPD and SA's?
5. CSMA/CD based Ethernet LANs in various sites and Frame Relay (FR) service to connect them together. You want to make a difference in the organization by upgrading the LANs to be
a) Used for sending e-mail. b) Uses port 25.
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes
Q. Illustrate Network Layer in osi layers model? Network Layer : This is responsible for addressing messages and data so they are sent to the required destination, and for tr
Single Program Multiple Date A common style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data): all the processors implement the same
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