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Question: How many layers in networking?

Answer: There are 7 layers.
physical layer
data link "
network "
transport "
session "
presentation "
application "



Category Networking Interview Questions & Answers - Exam Mode / Learning Mode
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Question: How many layers in networking?
Answer:

There are 7 layers.
physical layer
data link "
network "
transport "
session "
presentation "
application " Source: CoolInterview.com

Answered by: vasihnavi.N | Date: 9/13/2008 | Contact vasihnavi.N Contact vasihnavi.N

There are 7 layers in OSI model and 5 in TCP/IP model.

OSI MODEL:
Application
Presentation
Session
Transport
Network
Data Linnk
Physical

TCP/IP MODEL:
Application
Transport
Network
Data Link
Physical Source: CoolInterview.com

Answered by: Tariq | Date: 2/10/2009 | Contact Tariq Contact Tariq

The 7 layers you mentioned are OSI layers . there are 3 layers in networking

1) core
2) Access
3) distribution Source: CoolInterview.com

Answered by: Shahed | Date: 3/11/2009 | Contact Shahed Contact Shahed

osi model has seven layer
7> application
6> presentation
5> session
4> transport
3> network
2> datalink
1> physical
beside this dod model has 4 layer
4> appilication
3> host to host
2> internet
1> network access Source: CoolInterview.com

Answered by: Rajib Dhak | Date: 3/26/2009 | Contact Rajib Dhak Contact Rajib Dhak

If it is TCP/IP then only 4
Link Layer
Internet
Transport
Application


Source: CoolInterview.com

Answered by: siva | Date: 4/20/2009 | Contact siva Contact siva

their are 5 layers we can use now in tcp/ip protocol.
Application Layer.(layer5)
transport layer.(layer4)
network layer(layer3)
datalink layer(layer2)
physical layer(layer1)
Source: CoolInterview.com

Answered by: santosh kumar dash | Date: 4/25/2009 | Contact santosh kumar dash Contact santosh kumar dash

transimission control protocol
Source: CoolInterview.com

Answered by: brahmaiah.madhala | Date: 5/27/2009 | Contact brahmaiah.madhala Contact brahmaiah.madhala

Layer arranged top to bottom are as follows application,presentation, session, transport, network, data link, physical layer. Source: CoolInterview.com

Answered by: Jewel | Date: 6/9/2009 | Contact Jewel Contact Jewel

7 layers
1.physical layer
2.data link layer
3.network layer
4.transport layer
5.session layer
6.presentation layer
7.application layer Source: CoolInterview.com

Answered by: avinashkumar | Date: 6/15/2009 | Contact avinashkumar Contact avinashkumar

there r 7 layers
physical layer
data link
network
transport
session
presentation
application Source: CoolInterview.com

Answered by: himanshu sharma | Date: 6/18/2009 | Contact himanshu sharma Contact himanshu sharma

there r 7 layers
physical layer
data link
network
transport
session
presentation
application Source: CoolInterview.com

Answered by: himanshu sharma | Date: 6/18/2009 | Contact himanshu sharma Contact himanshu sharma

The OSI or Open System Interconnection,model defines a networking framework for implementing protocols in seven layers, they are as follows
Application Layer
Presentation Layer
Session Layer
Transport Layer
Neywork Layer
Data Link Layer
Physical Layer Source: CoolInterview.com

Answered by: Ayub | Date: 6/20/2009 | Contact Ayub Contact Ayub

There are 7 layers
layer7 - Application layer
layer6 - Presentation layer
layer5 - session layer
layer4 - Transport layer
layer3 - Network layer
layer2 - Data-link layer
layer1 - Physical layer Source: CoolInterview.com

Answered by: Deepa | Date: 6/28/2009 | Contact Deepa Contact Deepa

In Internet Model

Physical layer

Data Link Layer

Network Layer

Transport Layer

Application layer


While in OSI model

physical layer
datalink layer
network layer
transportlayer
session layer
presentation layer
application layer

Source: CoolInterview.com

Answered by: Milan | Date: 7/2/2009 | Contact Milan Contact Milan

basically there are thre types of network layer like access layer,distribution layer,and core layer which communicate the pc and router,server and lastly in the core layer the hign end server being used are connected with each other to transfer data Source: CoolInterview.com

Answered by: rajnish kumar anjan | Date: 7/5/2009 | Contact rajnish kumar anjan Contact rajnish kumar anjan

There are 7 layesr in networking.
1,PHYSICAL LAYER :-The actual hardware.
2,DATA LINK LAYER:- Data transfer method (802x ethernet). Puts data in frames and ensures error free transmission. Also controls the timing of the network transmission. Adds frame type, address, and error control information. IEEE divided this layer into the two following sublayers.
Logical Link control (LLC) - Maintains the Link between two computers by establishing Service Access Points (SAPs) which are a series of interface points. IEEE 802.2.
Media Access Control (MAC) - Used to coordinate the sending of data between computers. The 802.3, 4, 5, and 12 standards apply to this layer. If you hear someone talking about the MAC address of a network card, they are referring to the hardware address of the card.
3,NETWORK LAYER:- IP network protocol. Routes messages using the best path available.
4,TRANSPORT LAYER:-TCP, UDP. Ensures properly sequenced and error free transmission.
5,SESSION LAYER:- The user's interface to the network. Determines when the session is begun or opened, how long it is used, and when it is closed. Controls the transmission of data during the session. Supports security and name lookup enabling computers to locate each other.
6,PRESENTATION LAYER:- ASCII or EBCDEC data syntax. Makes the type of data transparent to the layers around it. Used to translate date to computer specific format such as byte ordering. It may include compression. It prepares the data, either for the network or the application depending on the direction it is going.
7,APPLICATION LAYER:- Provides services software applications need. Provides the ability for user applications to interact with the network.

Source: CoolInterview.com

Answered by: Shafi Khan | Date: 7/26/2009 | Contact Shafi Khan Contact Shafi Khan

actually, seven layers are in osi model. in actual networking we don't use osi model, it was only specification to connect the systems. actual implementation had done by tcp/ip model. it has five layers. Source: CoolInterview.com

Answered by: mahavir singh | Date: 7/29/2009 | Contact mahavir singh Contact mahavir singh

Application,
Presentation,
Session,
Transport,
Network,
Data Link and
Physical layer Source: CoolInterview.com

Answered by: Sailesh Prasad | Date: 8/13/2009 | Contact Sailesh Prasad Contact Sailesh Prasad

7 layer on using networking
phisical ,data,network,transport,session,presentation,application
this modele included 1981 on introduce international standart organisation (iso)on this module name open source interconnect Source: CoolInterview.com

Answered by: pramod kumar | Date: 8/22/2009 | Contact pramod kumar Contact pramod kumar

There are 7 layers.
physical layer
data link "
network "
transport "
session "
presentation "
application Source: CoolInterview.com

Answered by: chandan | Date: 8/31/2009 | Contact chandan Contact chandan

This is d best example to learn the OSI Layears
All = Application
People = Presentation
see = Session
to = Transport
need = Network
data = Data link
processing = Physical

!!!Best of Luck!!! Source: CoolInterview.com

Answered by: Piyush Chaturvedi | Date: 9/21/2009 | Contact Piyush Chaturvedi Contact Piyush Chaturvedi

in networking 7 layer of OSI model:
Application
Presentation
Session
Transport
Network
Data Linnk
Physical

5 layer of TCP/IP model:
Application
Transport
Network
Data Link
Physical

3 layer of cisco model:
core layer
distrubustion layer
acess layer Source: CoolInterview.com

Answered by: samadhan narale | Date: 10/8/2009 | Contact samadhan narale Contact samadhan narale

7 layer of OSI model:
Application
Presentation
Session
Transport
Network
Data Linnk
Physical
Source: CoolInterview.com

Answered by: Ashish Verma | Date: 10/13/2009 | Contact Ashish Verma Contact Ashish Verma

There are 7 layers in ISO OSI Network Reference Model.They are 7 layers.They are
7.Application
6.Presentation
5.Session
4.Transport
3.Network
2.Datalink
1.Physical
There are 4 layers in TCPIP Model They are
1.Application
2.Transport
3.Internet
4.Host-to-Network
There are 5 layers in Hybrid model of OSI and TCPIP called Internet Model.They are
1.Physical
2.Data link
3.Network
4.Transport
5.Application. Source: CoolInterview.com

Answered by: Manohar Sarat | Date: 11/13/2009 | Contact Manohar Sarat Contact Manohar Sarat

in networking 7 layer of OSI model:
Application
Presentation
Session
Transport
Network
Data Linnk
Physical

5 layer of TCP/IP model:
Application
Transport
Network
Data Link
Physical

3 layer of cisco model:
core layer
distrubustion layer
acess layer

Source: CoolInterview.com

Answered by: narayanpawar | Date: 11/16/2009 | Contact narayanpawar Contact narayanpawar

There are 7 layers in ISO OSI Network Reference Model.They are 7 layers.They are
7.Application
6.Presentation
5.Session
4.Transport
3.Network
2.Datalink
1.Physical
There are 4 layers in TCPIP Model They are
1.Application
2.Transport
3.Internet
4.Host-to-Network
There are 5 layers in Hybrid model of OSI and TCPIP called Internet Model.They are
1.Physical
2.Data link
3.Network
4.Transport
5.Application.
Source: CoolInterview.com

Answered by: chandrakant | Date: 12/7/2009 | Contact chandrakant Contact chandrakant

There seven(7) layer OSI reference model
1. Physical Layer
2. Data Link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer Source: CoolInterview.com

Answered by: Krishna Chandra Mishra | Date: 4/19/2010 | Contact Krishna Chandra Mishra Contact Krishna Chandra Mishra

seven layer of osl model
1.physical Layer
2.Data link Layer
3.Transport Layer
4.Session Layer
5.Presentation Layer
7.Application Layer Source: CoolInterview.com

Answered by: sandhiya | Date: 8/12/2010 | Contact sandhiya Contact sandhiya

actually i can't understand which one is right,,,, Source: CoolInterview.com

Answered by: atanu | Date: 8/25/2010 | Contact atanu Contact atanu

There are 7 layers in Osi madel..
Best way to remember Osi model layers..
Please = Physical Layer
Do = Data Link Layer
Not = Network Layer
Track = Transmission Layer
Steven's = Session Layer
Pet = Presentation Layer
Alligator = Application Layer Source: CoolInterview.com

Answered by: Sheikh Nasrullah Khan | Date: 9/2/2010 | Contact Sheikh Nasrullah Khan Contact Sheikh Nasrullah Khan

There are 7 layers in Osi Model..

Easy way to remember Osi Model Layers:

Please = Physical Layer
Do = Data Link Layer
Not = Network Layer
Track = Transport Layer
Steven's = Session Layer
Pet = Presentation Layer
Alligator = Application Layer Source: CoolInterview.com

Answered by: Nasrullah Sheikh | Date: 9/2/2010 | Contact Nasrullah Sheikh Contact Nasrullah Sheikh


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