Explain the seven layers of the OSI reference model.

Explain the seven layers of the OSI reference model.
by

1 Answer

Answer :

Below are the seven layers of the OSI reference model:

 Physical Layer: This layer converts data bits into radio signals. An example of this is Ethernet.

 Data Link layer: At data link layer data packets are encoded and decoded and are provided to node data transfer.

 Network Layer: This layer transfers variable length data from one node to another.

 This data is known as datagram.

 Transport Layer: This layer transfers data between different nodes and keeps giving acknowledgments for data packets. It keeps track of all transmissions and transmission failures.

 Session Layer: This layer manages connections between different systems on a network. It helps in establishing coordinating and terminating connections between all applications.

 Presentation Layer: It transforms data into the form which application layer will accept.

 Application Layer: This is the last layer which both end user and application interact with. This layer provides services like email, file transfer, etc.
by

Related questions

Explain the Different layers of the OSI model.

Description : Explain the Different layers of the OSI model.

Last Answer : The different layers of the OSI model are given below:

What is the OSI model?

Description : What is the OSI model?

Last Answer : OSI model stands for Open System Interconnection. It’s a reference model which describes that how different applications will communicate to each other over the computer network. 

Explain the different Layers of TCP/IP Model.

Description : Explain the different Layers of TCP/IP Model.

Last Answer : Application Layer, Transport Layer, Network or Internet Layer, Network interface layer.

In respect of OSI model, LANs implement a. lower two layers b. all seven layers c. upper five layers d. None of the above

Description : In respect of OSI model, LANs implement a. lower two layers b. all seven layers c. upper five layers d. None of the above

Last Answer : b. all seven layers

A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.

Description : A ________ is normally a computer that operates in all five layers of the Internet model or seven layers of OSI model.

Last Answer : gateway

Which of the following layers of the OSI reference model is concerned with the syntax of data exchanged between application entities? a. Presentation layer b. Application layer c. Transportation layer d. Session layer

Description : Which of the following layers of the OSI reference model is concerned with the syntax of data exchanged between application entities? a. Presentation layer b. Application layer c. Transportation layer d. Session layer

Last Answer : a. Presentation layer

The number of layers in ISO OSI reference model is __________ a. 5 b. 7c. 6 d. 10

Description : The number of layers in ISO OSI reference model is __________ a. 5 b. 7 c. 6 d. 10

Last Answer : b. 7

In the TCP/IP protocol architecture, the Network Access Layer includes ………………………………...layers of the OSI Reference Model. A. presentation, session, applicationB. physical, data link, network C. data link, network D. physical, data link

Description : In the TCP/IP protocol architecture, the Network Access Layer includes ………………………………...layers of the OSI Reference Model. A. presentation, session, application B. physical, data link, network C. data link, network D. physical, data link

Last Answer : B. physical, data link, network

How many layers are there in the OSI reference model of networking? a. 8 b. 7 c. 5 d. 4

Description : How many layers are there in the OSI reference model of networking? a. 8 b. 7 c. 5 d. 4

Last Answer : b. 7

Which layers of the OSI reference model are host-to-host layers ? (A) Transport, Session, Presentation, Application (B) Network, Transport, Session, Presentation (C) Data-link, Network, Transport, Session (D) Physical, Data-link, Network, Transport

Description : Which layers of the OSI reference model are host-to-host layers ? (A) Transport, Session, Presentation, Application (B) Network, Transport, Session, Presentation (C) Data-link, Network, Transport, Session (D) Physical, Data-link, Network, Transport

Last Answer : (A) Transport, Session, Presentation, Application

Basic Networking Concepts 1. Introduction 2. Protocols 3. Protocol Layers 4. Network Interconnection/Internet

Description : Basic Networking Concepts 1. Introduction 2. Protocols 3. Protocol Layers 4. Network Interconnection/Internet

Last Answer : OSI Layers Physical layer: ensures a safe and efficient travel of data; consists of electronic circuits for data transmission etc. Data link layer: in charge of data encapsulation ... mails. -SNMP (Simple Network Management Protocol) allows the management of the network. 

I haven't networked anything but am going to do that to my computers and printers, plus a tv later. Can I get a good reference book or where should I go to get this done?

Description : I haven't networked anything but am going to do that to my computers and printers, plus a tv later. Can I get a good reference book or where should I go to get this done?

Last Answer : answer:Hi @igottaknow, welcome to Fluther! Your network will be built around a router. Everything will connect to that device. And instruction manuals for routers usually give a pretty good introduction, as ... - Home Networking 101 PCWorld - Step-By-Step: How to Build a Safe, Secure Network

What do you mean by the TCP/IP Model?

Description : What do you mean by the TCP/IP Model?

Last Answer : TCP/IP stands for Transmission control protocol and Internet protocol. It describes how the data will get transmitted and routed from end to end communication. 

Explain the function of each layer of OSI reference model with neat diagram.

Description : Explain the function of each layer of OSI reference model with neat diagram.

Last Answer : OSI model (open system interconnection) model was developed by ISO (international standard organization) Function of OSI model: i. It provides way to understand how internetwork operates. ... Network virtual terminal file transfer access and management mail services and directory services

The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. a.data link b.network c.physical d.application

Description : The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model. a.data link b.network c.physical d.application

Last Answer : d.application

The TCP/IP …………corresponds to the combined session, presentation, and application layers of the OSI model. a.session layer b.presentation layer c.application layer d.None of the above

Description : The TCP/IP …………corresponds to the combined session, presentation, and application layers of the OSI model. a.session layer b.presentation layer c.application layer d.None of the above

Last Answer : c.application layer

Which of the following layers of the OSI model is responsible for user interaction? a.Layer 4 b.Layer 5 c.Layer 6 d.Layer 7

Description : Which of the following layers of the OSI model is responsible for user interaction? a.Layer 4 b.Layer 5 c.Layer 6 d.Layer 7

Last Answer : d.Layer 7

In the OSI model, as a data packet moves from the lower to the upper layers, headers are a. Added b. Removed c. Rearranged d. Randomized

Description : In the OSI model, as a data packet moves from the lower to the upper layers, headers are a. Added b. Removed c. Rearranged d. Randomized

Last Answer : b. Removed

Which of the following layers is an addition to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer

Description : Which of the following layers is an addition to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer

Last Answer : d. Session and Presentation layer

.In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a. Added b. Removed c. Rearranged d. Randomized

Description : .In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a. Added b. Removed c. Rearranged d. Randomized

Last Answer : b. Removed

Which of the following layers is an addition to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer

Description : Which of the following layers is an addition to OSI model when compared with TCP IP model? a. Application layer b. Presentation layer c. Session layer d. Session and Presentation layer

Last Answer : d. Session and Presentation layer

In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a) Added b) Removed c) Rearranged d) Randomized

Description : In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______ a) Added b) Removed c) Rearranged d) Randomized

Last Answer : b) Removed

What is Onion diagram illustrates? a) It illustrates the connection between the layers in communications protocols, such as the International Standards Organization Open Systems Interconnection (ISO OSI) model,or the layers in user interface and windowing systems, such as the X Window System b) It often illustrates operating system layers, with the kernel at the core c) All of the mentioned d) None of the mentioned

Description : What is Onion diagram illustrates? a) It illustrates the connection between the layers in communications protocols, such as the International Standards Organization Open Systems Interconnection (ISO OSI) model,or the ... with the kernel at the core c) All of the mentioned d) None of the mentioned

Last Answer : None of the mentioned

List all seven layer of OSI model and describe function of application layer.

Description : List all seven layer of OSI model and describe function of application layer.

Last Answer : The layers of OSI model are as follows:  (1) The Physical Layer: This defines an interface in terms of the connections, voltage levels and data rate, in order for signals to ... with the applications programs needed. Examples include electronic mail, word processing, banking transactions, etc.  

TELNET, FTP, SMTP, Protocols fall in the following layer of OSI reference model? a. Transport layer b. Internet layer c. Network layer d. Application layer

Description : TELNET, FTP, SMTP, Protocols fall in the following layer of OSI reference model? a. Transport layer b. Internet layer c. Network layer d. Application layer

Last Answer : d. Application layer

The physical address to each machine is provided by which layer in an OSI reference model? A. Physical layer B. Data Link Layer C. Network Layer D. Transport Layer

Description : The physical address to each machine is provided by which layer in an OSI reference model? A. Physical layer B. Data Link Layer C. Network Layer D. Transport Layer

Last Answer : B. Data Link Layer

The physical address to each machine is provided by which layer in an OSI reference model? A. Physical layer B. Data Link Layer C. Network Layer D. Transport Layer

Description : The physical address to each machine is provided by which layer in an OSI reference model? A. Physical layer B. Data Link Layer C. Network Layer D. Transport Layer

Last Answer : B. Data Link Layer

Who developed standards for the OSI reference model? A. ISO B. ANSI C. IEEE D. ACM

Description : Who developed standards for the OSI reference model? A. ISO B. ANSI C. IEEE D. ACM

Last Answer : A. ISO

Who developed standards for the OSI reference model? a. ISO - International Standards Organization b. ANSI - American National Standards Institute c. IEEE - Institute of Electrical and Electronics Engineers d. ACM - Association for Computing Machinery

Description : Who developed standards for the OSI reference model? a. ISO - International Standards Organization b. ANSI - American National Standards Institute c. IEEE - Institute of Electrical and Electronics Engineers d. ACM - Association for Computing Machinery

Last Answer : a. ISO - International Standards Organization

Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? (A) Physical (B) Data-link (C) Transport (D) Application

Description : Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? (A) Physical (B) Data-link (C) Transport (D) Application

Last Answer : (C) Transport 

Why layered architecture is used in OSI reference model? Discuss.

Description : Why layered architecture is used in OSI reference model? Discuss.

Last Answer : The OSI reference model is as shown in the figure.There are seven layers in the model. Physical layer, Data link layer, Network layer, Transport layer, Session layer, Presentation layer, ... the entire package is converted to a form that can be transferred to the receiving machine. 

Give function of each layer of OSI reference model.

Description : Give function of each layer of OSI reference model.

Last Answer : OSI model (open system interconnection) model was developed by ISO (international standard organization)  Function of OSI model: i. It provides way to understand how internetwork operates. ... virtual terminal file transfer access and management mail services and directory services

Compare between OSI and TCP/IP reference model.

Description : Compare between OSI and TCP/IP reference model.

Last Answer : OSI reference model TCP/IP network model 1)It has 7 layers 1) It has 4 layers 2)Transport layer guarantees delivery of packets 2) Transport layer does not guarantees delivery of ... a problem of protocol filtering into a model  10)The model does not fit any protocol stack. 

Explain the difference between Internet, Intranet and Extranet.

Description : Explain the difference between Internet, Intranet and Extranet.

Last Answer : All three are terminologies of a how a network can be accessed. They define the access levels for each user which is present inside and outside the network.  Internet: In this, all ... then it is extranet. They are provided access to a limited application in the organization.

Explain in short the meanings of PAN, LAN, HAN, SAN, and WAN.

Description : Explain in short the meanings of PAN, LAN, HAN, SAN, and WAN.

Last Answer :  PAN: This signifies Personal Area Network. It is a connection which is used by a person.  LAN: This stands for Local Area Network and is a connection of all computers in a small ... printers, etc. over a wide network which can be different cities or countries and even continents.

Explain the concept of DNS.

Description : Explain the concept of DNS.

Last Answer : DNS stands for Domain Name System. It is a naming system which includes physical nodes and its applications. DNS is a way of finding a resource easily over a network. It gives a name ... is responsible for assigning Domain names by mapping corresponding IP addresses and works in a hierarchical way.

Do spam-bot accounts on Twitter automatically unfollow you if you are not tweeting cetain keywords?

Description : Do spam-bot accounts on Twitter automatically unfollow you if you are not tweeting cetain keywords?

Last Answer : answer:I wish I could say I knew enough about Twitter to say with any certainty. Always lovely to see you though, Keith!

Would it be more advantageous to meet as many people as I can? Or be extremely selective as it pertains to multiple industries?

Description : Would it be more advantageous to meet as many people as I can? Or be extremely selective as it pertains to multiple industries?

Last Answer : As a musician one would think that you are already known the the Community? Are you not playing at local concerts,coffee houses,events ( even volunteering your musical talents)? Also start a blog or Utube ... or American Idol too? If music and creating IS your passion then play it up! Good luck.

Does anybody frequent any other question/answer site other than Fluther?

Description : Does anybody frequent any other question/answer site other than Fluther?

Last Answer : Was at Answer Bag before migrating here with a large school of AB’rs when they messed up that site. Also a member over at Experience Project. EP is so messed up now that it looks like some members have new start up that they hope will bring back the fun they once had there.

Any advice on networking for the first time at an event?

Description : Any advice on networking for the first time at an event?

Last Answer : I think dressing fairly professionally would be a good way to go. As this is meeting people in a possible business capacity, it is important to look the part. I think if you just go up and introduce ... being asked for their advice. These after all, are the best people to give their advice to you.

Artists, businesses, public figures: How do you personally separate your social media?

Description : Artists, businesses, public figures: How do you personally separate your social media?

Last Answer : I use Twitter, Instagram and Facebook. I follow a whole range of celebrities all over the place, really. Someone who puts up really good pictures, I will follow on Instagram. However if someone has a ... celebrities on there, as well as many pages on all sorts of things (musicians, brands, etc).

What can you tell me about Freemasonry? (This is not a conspiracy theory thread)

Description : What can you tell me about Freemasonry? (This is not a conspiracy theory thread)

Last Answer : answer:I used to date a Mason. He was fairly serious about it, and his father before him had been very serious, raised to the 33rd degree. My boyfriend told me lots of things, and I ... this: they do support worthy causes. The Shriners' hospital in Boston for pediatric burns cases is one example.

How to get an Open NAT using Wireless Adapter for Xbox 360?

Description : How to get an Open NAT using Wireless Adapter for Xbox 360?

Last Answer : answer:Go to www.portforward.com It will tell explain exactly what you need to do. Walshy

Why is PPTP blocking RV016 login?

Description : Why is PPTP blocking RV016 login?

Last Answer : Have you previously been able to access the router's config pages over the VPN? If I were administering the network I would disable remote admin access to the device. Is it possible that your client has done ... go on here. I'm afraid the best answer I have right now is to contact Linksys support.

How to extend the range of wireless router?

Description : How to extend the range of wireless router?

Last Answer : First, I recommend trying the signal at different points in the garage. If the wireless adapter is USB-based this is trivially easy, but if it's a PCI adapter (inside the computer) then you might need an ... , and it might be worthwhile for other reasons too- I don't see any reason not to try it.

What do you know about Freemasons?

Description : What do you know about Freemasons?

Last Answer : answer:@youcancallmemoonman Some of the finest men I've ever known, have been masons. Having said that, I'll try to return tomorrow to answer to your question. This one can't be done lightly. I am ... to know. My best to you. Two family birthday parties in three days have left me a bit toasted!

Ok, i was host in Modern Warfare 2 today, and people say they lagg but i dont. please help?

Description : Ok, i was host in Modern Warfare 2 today, and people say they lagg but i dont. please help?

Last Answer : it means that they had a sub-par connection to your computer. Because the game is hosted on your computer, you have little to no lagg. I’d suggest stopping any downloads you have going on if you’re going to host, as that tends to hog your bandwidth. Or, you could just let someone else host.

What is your expertise that you would share or mentor another Jelly on?

Description : What is your expertise that you would share or mentor another Jelly on?

Last Answer : Pfft, if any jellies had a DIRE NEED to learn how to transcribe and play video game music on the piano, train their pokemon to perfection, photoshop a picture, do a derivative, or diagnose a kidney stone, I’m their go-to girl.

Web-based business networking -- Valuable or worthless?

Description : Web-based business networking -- Valuable or worthless?

Last Answer : I haven’t used LinkedIn except to connect to former connections, but I have a friend who has used the network to find someone (who knows someone she knows) to contact.

How do I determine which, if any, static IP addresses are being used on my home WiFi network?

Description : How do I determine which, if any, static IP addresses are being used on my home WiFi network?

Last Answer : Check the status page of your Router setup.