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

Define router. explain its type, Question 1 Define Router. Explain its typ...

Question 1 Define Router. Explain its type Question 2 List and discuss the different concepts of EIGRP Question 3 Explain the concept of autonomous system Autonomo

Why you require connecting two computers for file sharing, You require conn...

You require connecting two computers for file sharing. Is it possible to do this without using a hub or router? Yes, you can connect two computers together using only one cable

Determine the maximum output current, A logic gate drives a load, which has...

A logic gate drives a load, which has a resistance of 1 kÙ and a capacitance of 20 pF. The printed circuit track connecting the gate to its load has an 40 pF capacitance to ground.

Error detection-general, Q. Error Detection-General? Sender transmi...

Q. Error Detection-General? Sender transmits every data unit twice Receiver performs bit-by-bit comparison between those two versions of data. Any mismatch would

What is workstation, What is workstation? A workstation is a node in ne...

What is workstation? A workstation is a node in network that is more useful and can occur local information processing or graphics processing. A workstation generally has an in

Distribution of dns - application layer , Distribution of DNS 1.By cen...

Distribution of DNS 1.By centralized data base The information contained in the domain  name space must be stored. A simple design  or DNS would have one DNS server that co

Explain client and server networking model, Explain Client/Server Networkin...

Explain Client/Server Networking Model. A networking model where one or more powerful  computers (servers) give the dissimilar network services and all other user's computers (

What is domain name, Domain Name A domain name is a way to recognize an...

Domain Name A domain name is a way to recognize and locate computers connected to the Internet.  This is a text name of a computer in network or Internet. Domain names are chan

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