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

Illustrate error detection-simple parity check, Q. Illustrate Error Detecti...

Q. Illustrate Error Detection-Simple Parity Check? Error Detection-Simple Parity Check A redundant bit called as Parity Bit? is added to every data unit. Even Pa

What is error detection, What is Error Detection? What are its methods? ...

What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses

How receiver detects error, How receiver detects error The frame is 100...

How receiver detects error The frame is 10011101. The generator is 1001. The message after appending the three zeros is 10011101000. The reminder on dividing 10011101000 by 100

How a token ring networks allows sharing of bandwidth, Question: (a) E...

Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh

Explain the changes to the ip stack, After powering up his PC, Bob notices ...

After powering up his PC, Bob notices the PC was not able to properly connect to network devices. He obtained the following information from his workstation: C:\>ipconfig Win

Financial services - fundamentals of networks , Financial Services Tod...

Financial Services Today   financial services are totally depended  on computer network. Application includes credit history searchers foreign exchange and  investment service

Define the term - graphics interchange format, Define the term - Graphics I...

Define the term - Graphics Interchange Format A type of graphics file found frequently on the .net. A picture of a vice-president, for example, may appear on the Intranet as

Internet address, Addresses are necessary for virtually everything we do on...

Addresses are necessary for virtually everything we do on the Internet. In TCP/IP the IP is a mechanism for providing addresses for computers on the Internet. Internet addresses ha

What do you mean by osi, What do you mean by OSI? The Open System Inter...

What do you mean by OSI? The Open System Interconnection (OSI) reference model explains how information from a software application in one computer moves by a network medium to

Define tp monitor, There is no commonly accepted meaning for a TP monitor. ...

There is no commonly accepted meaning for a TP monitor. According to Jeri Edwards' a TP Monitor is "an OS for transaction processing".

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