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

Explain about mesh topology, Q. Explain about Mesh Topology? - Dedicate...

Q. Explain about Mesh Topology? - Dedicated point-to-point links to each other device - n (n-1)/2 links an every device will have n-1 I/O ports - Advantages - Dedic

What is money laundering and how is money laundered, Question: a) (i)...

Question: a) (i) Describe the entire process of credit card processing, identifying the different steps and parties involved. (ii) What are the roles of the acquiring ban

Characteris potential problems of a peer-to-peer environment, Question: ...

Question: a) List three characteristics and two potential problems of a peer-to-peer environment. b) List three characteristics and two potential problems of a client/

What is difference among path and classpath, What is difference among Path ...

What is difference among Path and Classpath? Path and Classpath are operating system level environment variales. Path is used explain where the system can find the executabl

Fixed version of rdt , Fixed version of rdt 2.0 rdt 2.1 The  rdt 2.1 s...

Fixed version of rdt 2.0 rdt 2.1 The  rdt 2.1 sender and receiver  FSM each now  have  twice  as many  states  as before. This is because  the protocols  state must  now refle

What is ring topology, What is Ring topology The network consists of a ...

What is Ring topology The network consists of a set of repeaters joined by point-to-point links in a closed loop. Each station attaches to the network at a repeater and can tra

Interconnection networks and sorting, As in PRAM, there was no direct commu...

As in PRAM, there was no direct communication medium among the processors, therefore another model called as interconnection networks have been designed. In the interconnection net

Cnet sliding window protocol, implementing cnet sliding window protocol wit...

implementing cnet sliding window protocol with 6 nodes

Name the default lmi type, Cisco is the defaul LMI type. There are thre...

Cisco is the defaul LMI type. There are three types of LMI standards:  ANSI - Annex D defined by ANSI standard T1.617  ITU-T (Q.933A) - Annex A defined by Q933A  Cisco

Internetworking, In spite of the incompatibilities among networks, research...

In spite of the incompatibilities among networks, researchers have devised a function that gives universal service among heterogeneous networks known 'internetworking'. It uses bot

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