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

Cloud computing, Ask questiXYZ, is Pakistani company which is selling toys ...

Ask questiXYZ, is Pakistani company which is selling toys in all the major cities of Pakistan having 50 outlets in different cities. The company has the revenue of 10000000/- PKR p

Nfs best performance, what parameters should i have for the best nfs v4 per...

what parameters should i have for the best nfs v4 performance?

Packet processing on vpn router, Consider the site-to-site VPN scenario sho...

Consider the site-to-site VPN scenario shown in Figure 2. Let's deploy the AH protocol on the two VPN routers so that no desktop on the two sites need to do any AH operations. Assu

Ppp authentication chap pap secret, As the system administrator, you type "...

As the system administrator, you type "ppp authentication chap pap secret". Name the authentication method is used first in setting up a session? Ans)  the authentication method

Html, write a html program segment that contains hypertext links from one d...

write a html program segment that contains hypertext links from one document to anothersk question #Minimum 100 words accepted#

Latency and scalability, Latency : In interconnection networks a variety of...

Latency : In interconnection networks a variety of nodes may be at dissimilar distances depending upon the topology. The network latency differs to the worst-case time wait for a u

Antenna Network of 16.4m Earth Station , (a ) Std "A" 16.4 m C-BAND EARTH ...

(a ) Std "A" 16.4 m C-BAND EARTH STATION (1996) This is the main system of this station and provides connectivity to most of the countries through dedicated transponder channe

Difference between baseband and broadband transmission, What is difference ...

What is difference between baseband and broadband transmission? In a baseband transmission, the whole bandwidth of the cable is consumed by a one signal. In broadband transmiss

Compare delays in packet switching and circuit switching, In this question,...

In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in

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