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

Concurrently read concurrently write (crcw), It is one of the models based ...

It is one of the models based on PRAM. In this model, the processors access the memory locations concurrently for reading as well as writing operations. In the algorithm, which use

Why routine security audits are essential, Why Routine security audits are ...

Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to

Telnet protocols - transport layer, TELNET Protocols The TCP/ IP proto...

TELNET Protocols The TCP/ IP protocol  suite  includes a simple textual  remote terminal protocols called  TELNET  that allow  a user to log into  a computer across an interne

System - network administrator, The program must be well documented which i...

The program must be well documented which includes meaningful variable and subroutine names ("self documenting code") along with comments in the code. The following block of code w

Single-cell wireless lan, Single-cell wireless LAN All of the wireless ...

Single-cell wireless LAN All of the wireless end systems are within range of a single control module. Multiple-cell wireless LAN: there are many control modules interlinked by

Define csma/cd, CSMA/CD - A Simple Definition A netwo...

CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit

Explain the building blocks of client and server, Explain the building bloc...

Explain the building blocks of Client/Server? The client side building block runs the client side of the application. The server side building block runs the server side of

What is the catalogue intranet, What is the Catalogue Intranet Intra...

What is the Catalogue Intranet Intranets of this type are often more accurately described as Extranets. They are designed to give access to a large catalogue of information,

Netwotk performance, How Does Network Topology Affect The Cost And Network ...

How Does Network Topology Affect The Cost And Network Performance, Computer Science.

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