What is OSI model and why ?

What is OSI model and why ?
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The OSI model generally indicates how communication will develop between computers , mobiles and other networking devices. The International Organization for Standards ( ISO) undertook the development of the i-model in 1974. Long before that, the TCP / IP protocol suite was created in 1986.   
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Related questions

Explain the seven layers of the OSI reference model.

Description : Explain the seven layers of the OSI reference model.

Last 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 ... which both end user and application interact with. This layer provides services like email, file transfer, etc.

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. 

Layer one of the OSI model is a. physical layer b. link layer c. transport layer d. network layer e. none of above

Description : Layer one of the OSI model is a. physical layer b. link layer c. transport layer d. network layer e. none of above

Last Answer : physical layer

The _______ layer corresponds to thephysical layer of the OSI model. A) section B) line C) path D) photonic

Description : The _______ layer corresponds to thephysical layer of the OSI model. A) section B) line C) path D) photonic

Last Answer : section

The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Description : The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Last Answer : A) Physical

The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer

Description : The layer one of the OSI model is A) Physical layer B) Link layer C) Router layer D) Broadcast layer

Last Answer : A) Physical layer

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

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

What is the main function of Session layer in OSI model? a. Defines how data is formatted between the devices b. Made physical connection between server and client c. Both a and b d. None of the above

Description : What is the main function of Session layer in OSI model? a. Defines how data is formatted between the devices b. Made physical connection between server and client c. Both a and b d. None of the above

Last Answer : a. Defines how data is formatted between the devices

In OSI model, session layer is responsible for a. Recovery b. Check pointing c. Both a and b d. None of the above

Description : In OSI model, session layer is responsible for a. Recovery b. Check pointing c. Both a and b d. None of the above

Last Answer : c. Both a and b

Which of the following statements can be associated with OSI model? a. A structured way to discuss and easier update system components b. One layer may duplicate lower layer functionality c. Functionality at one layer no way requires information from another layer d. It is an application specific network model

Description : Which of the following statements can be associated with OSI model? a. A structured way to discuss and easier update system components b. One layer may duplicate lower layer functionality c. ... no way requires information from another layer d. It is an application specific network model

Last Answer : b. One layer may duplicate lower layer functionality

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 OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a. Application layer b. Transport layer c. Link layer d. Session layer

Description : In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a. Application layer b. Transport layer c. Link layer d. Session layer

Last Answer : d. Session layer

Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above

Description : Which network component/s is/are involved in the Presentation layer of an OSI model? a. Gateway b. Multiplexer & Oscilloscope c. Amplifier & Hub d. All of the above

Last Answer : a. Gateway

In OSI model, which of the following layer transforms information from machine format into that understandable by user a. application b. sessionc. presentation d. physical

Description : In OSI model, which of the following layer transforms information from machine format into that understandable by user a. application b. session c. presentation d. physical

Last Answer : c. presentation

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

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

Transport layer is which layer in OSI model? a. Fourth layer b. Third layer c. Second layer d. Fifth layer\

Description : Transport layer is which layer in OSI model? a. Fourth layer b. Third layer c. Second layer d. Fifth layer\

Last Answer : a. Fourth layer

Which level is the network layer in the OSI model? a. Third level b. Fourth level c. Second level d. Fifth layer

Description : Which level is the network layer in the OSI model? a. Third level b. Fourth level c. Second level d. Fifth layer

Last Answer : a. Third level

Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control)c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above

Description : Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control) c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above

Last Answer : d. All the above

.Which of the following statements can be associated with OSI model? a. A structured way to discuss and easier update system components b. One layer may duplicate lower layer functionalityc. Functionality at one layer no way requires information from another layer d. It is an application specific network model

Description : .Which of the following statements can be associated with OSI model? a. A structured way to discuss and easier update system components b. One layer may duplicate lower layer functionality c. ... no way requires information from another layer d. It is an application specific network model

Last Answer : Functionality at one layer no way requires information from another 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

In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a. Application layer b. Transport layer c. Link layer d. Session layer

Description : In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a. Application layer b. Transport layer c. Link layer d. Session layer

Last Answer : d. Session layer

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

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

Which is the additional layer 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 is the additional layer 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 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

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

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

In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a) Application layerb) Transport layer c) Link layer d) Session layer

Description : In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________ a) Application layer b) Transport layer c) Link layer d) Session layer

Last Answer : d) Session layer

In OSI model at which layer modulator/demodulators are used? A. data link layer B. network layer C. session layer D. physical Layer

Description : In OSI model at which layer modulator/demodulators are used? A. data link layer B. network layer C. session layer D. physical Layer

Last Answer : D. physical Layer

The layer that transmits data in the form of bit streams using electrical and mechanicalsystems is in the OSI model. a. Physical layer b. Transport Layer c. Network Layer d. Data Link Layer

Description : The layer that transmits data in the form of bit streams using electrical and mechanicalsystems is in the OSI model. a. Physical layer b. Transport Layer c. Network Layer d. Data Link Layer

Last Answer : a. Physical layer

Choose the correct layer numbers and names of the OSI model below. a. Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer b. Layer 7 - Application Layer, Layer 6 - Presentation Layer c. Layer 5 - Session Layer, Layer 4 - Transport Layerd. All given options

Description : Choose the correct layer numbers and names of the OSI model below. a. Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer b. Layer 7 - Application Layer, Layer 6 - Presentation Layer c. Layer 5 - Session Layer, Layer 4 - Transport Layer d. All given options

Last Answer : d. All given options

A layer of the OSI model on one system communicates with the layer of its peer system. a. above b. same c. below d. None

Description : A layer of the OSI model on one system communicates with the layer of its peer system. a. above b. same c. below d. None

Last Answer : b. same

Each layer of the OSI model receives services or data from a layer. a. none b. below and above layer both c. above layer d. below layer

Description : Each layer of the OSI model receives services or data from a layer. a. none b. below and above layer both c. above layer d. below layer

Last Answer : d. below layer

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

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

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model? a. Internet b. Host to host c. Network Access d. Application

Description : What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model? a. Internet b. Host to host c. Network Access d. Application

Last Answer : b. Host to host

OSI model is a product of the Open Systems Interconnection effort at the ____: a) IBM b) ISO (International Organization for Standardization) c) WTO (World Trade Organziation) d) None of These

Description : OSI model is a product of the Open Systems Interconnection effort at the ____: a) IBM b) ISO (International Organization for Standardization) c) WTO (World Trade Organziation) d) None of These

Last Answer : b) ISO (International Organization for Standardization)

In OSI Model, OSI stands for: a) Open Systems Interconnection b) Operational System Interconnection c) Occur System Interconnection d) None of These

Description : In OSI Model, OSI stands for: a) Open Systems Interconnection b) Operational System Interconnection c) Occur System Interconnection d) None of These

Last Answer : a) Open Systems Interconnection

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.  

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

The ............layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Description : The ............layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Last Answer : A) Physical