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

Osi reference model - fundamentals of networks, OSI Reference  Model ...

OSI Reference  Model Normal 0 false false false EN-IN X-NONE X-NONE

Deteemine token bus of 802.3, Token Bus Physical order of stations ...

Token Bus Physical order of stations doesn't matter Line is broadcast medium "Send" token by addressing neighbour Provisions for deleting, adding stations

Characteristic of store and forward switches, Write the characteristic of S...

Write the characteristic of Store and Forward switches? A)     Store and Forward switch will not forward fragments. B)      The longer the frame, the longer the delay (latenc

State the steps to provide more computing power, State the Steps to provide...

State the Steps to provide more computing power In order to provide more computing power, the following steps may be taken: Add more processing power by addition of more

Which decision called socket base, IP plus port (IP on layer 3 and port on ...

IP plus port (IP on layer 3 and port on Layer 4 - In Encapsulation, socket base decision on Network Layer -Layer 3)

What is redundancy, What is Redundancy? The method of including extra i...

What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.

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

Simplicity - transport layer, Simplicity The advantage of this approa...

Simplicity The advantage of this approach is the simplicity  of receiver buffering. The  receiver need not  buffer out of  order packets the sender must maintain the upper an

Describe in brief about tree topology, Tree topology Comments 1 -...

Tree topology Comments 1 - This features star nodes on a bus network 2 - All the disadvantages and advantages of both types of networks described above apply to this s

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