Explain physical layer of osi reference model, Computer Networking

Assignment Help:

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


Related Discussions:- Explain physical layer of osi reference model

What is testing, Testing is used for estimate the quality of the product. U...

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 - computer networks , Networks Edge  and Te...

Networks Edge  and Technologies Network  Edge  provides  information  exchange  between  the access network  and the core  network. The devices  and facilities in the network

What are the benefits of layered network, Q. What are the benefits of layer...

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, What is an Ethernet? The Ethernet topology was dev...

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, What is meant by Asymmetrical prot...

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

Single mode for transmitting optical signals, Q. Single Mode for transmitti...

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, What is Microwave? Microwaves have been used in data...

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.

Explain process management and transaction management, TP Monitor does main...

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

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd