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Q. Explain physical layer of Osi reference model?
- The physical layer deals among the physical characteristics of the transmission medium.
- It defines the mechanical, electrical, procedural and functional specifications for maintaining, activating and deactivating the physical link between end systems.
- Such characteristics like timing of voltage changes, voltage levels, physical data rates, maximum transmission distances, physical connectors and other similar attributes are defined by physical layer specifications.
- Instances RJ45, EIA/TIA-232 and NRZ
Testing is used for estimate the quality of the product. Unit Testing is tested for every part of the product. Integrate the unit & tested.
Networks Edge and Technologies Network Edge provides information exchange between the access network and the core network. The devices and facilities in the network
Q. What are the benefits of layered network? Ans: Basic benefits of layered network are given below: - Complex systems will be broken down into understandable subsystems.
What is an Ethernet? The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalf
What is meant by Asymmetrical protocols? There is a many-to-one relationship among clients and server. Clients always initiate the dialog by requesting a service. Servers are p
What is the Asset of using Static default routes?
Q. Single Mode for transmitting optical signals? - Merely one beam from a light source is transmitted using a smaller range of angles - Smaller diameter as well as lower de
What is Microwave? Microwaves have been used in data communications. Microwave has a higher frequency than radio waves and thus can handle larger amounts of data.
TP Monitor does mainly two things extremely well. They are Process management and Transaction management? They were originally introduced to run classes of applications that co
Operating system does CISCO have
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