How many layers are there in OSI ? Why is it called OSI model ?

Answer Posted / rammu

7 Layers are there in OSI.
Layer 7- Application
Layer 6- Presentation
Layer 5- Session
Layer 4- Transport
Layer 3- Network
Layer 2- Data Link
Layer 1- Physical

It is called OSI because it is Open System Interconnection

Is This Answer Correct ?    2 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is passive topology

660


What is the baud rate of a standard 10 mbps Ethernet LAN ?

3312


I need to know the driver name associated with the DSN ? In java we can get it by using getDriverName()(implemented by 3rd party vendors.) method ? but i need the implemetation to get the driver name? so can u give me the code ? how to get the code ?

2123


hi , can you Suggest me the books (with author names) to learn Network programming from basics. Thanks in Advance... Prakash

1430


What is traffic shaping

728






What is the advantage of Ring network ? Compare it with ethernet

2364


What is packet switching ? Explain two different approaches of packet switching. ?

1799


Explain 1-persistent, p-persistent and 0-persistent CSMA giving strong and weak points of each.

2567


when I issue the "show ip route bgp" command, I see my routes being learned via ospf and bgp. How can I verify on the nx-os which one will always be used and which one is a backup?

695


Explain Wireless networks.

1018


What is ISO-OSI reference model ? Compare it with TCP/IP reference model.

1253


hi , can you Suggest me the books (with author names) to learn Network programming from basics. Thanks in Advance... Prakash

1641


Give the equivalent binary word for the polynomial x8+x2+x+1.

1300


A binary signal is sent over a 3-khz channel whose signal-to-noise ratio is 20 db.Calculate the maximum achievable data rate ?

2371


Explain Network Topologies and their uses.

1094