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Explain services of Application Layer.
Application Layer:
As the highest layer within the OSI reference model, the application layer gives services to the users of OSI environment. The layer gives services as follows:
a. Electronic mail or message handling service
b. Directory services
c. Cost allocation
d. Determination of quality of service
e. File transfer and management
f. Editors and terminal support services
g. Telematic services like videotext.
One of these objectives is related to costs. By going e-commerce, consumers will be able to submit their purchase requests to the sellers without paying a visit to their place. Thi
Q. Explain Automated and Manual systems? Automated and Manual systems: The system that doesn't need human intervention is known as'Automated system'. In this system whole proce
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