As the data packet moves from the upper to the lower layers, headers are _______.
1.Added
2.Removed
3.Rearranged
4.Modified
In Internet protocol stack, when data is sent from device A to device B, the 5th layer to receive data at B is
1.Application layer
2.Transport layer
3.Link layer
4.Session layer
In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______
1.Added
2.Removed
3.Rearranged
4. None of the mentioned
In the OSI model, encryption and decryption are functions of the ________ layer.
1.transport
2.session
3.presentation
4.application
The seven-layer _____ model provides guidelines for the development of universally compatible networking protocols.
1.OSI
2.ISO
3. IEEE
4.None of the above
Which layer links the network support layers and user support layers
1.session layer
2.data link layer
3.transport layer
4.network layer
Which layers of the OSI model are host-to-host layers?
1.Transport, Session, Persentation, Application
2.Network, Transport, Session, Presentation
3. Datalink, Network, Transport, Session
4. Physical, Datalink, Network, Transport
As the data packet moves from lower to upper layers, headers are
1. added
2.subtracted
3.rearranged
4.modified
Identify the statement which cannot be associated with OSI model
1.A structured way to discuss and easier update syatem components
2.One layer may duplicate lower layer functionality
3.Functionality at one layer no way requires information from another layer
4.None of the mentioned
In computer networking, TCP/IP model also known as
1.XYZ model
2. Network model
3. OSI model
4.DOD model
In OSI model dialogue control and token management are responsibilities of ?
1.Session Layer
2.Network layer
3.Transport layer
4. Data link layer
In OSI model, when data is sent from device A to device B, the 5th layer to recieve data at B is
1.Application layer
2. Transport layer
3.Link layer
4.Session layer
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
1.Added
2.Removed
3.Rearranged
4.Modified
In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______.
1.added
2.removed
3.rearranged
4.modified
In the OSI model, what is the main function of the transport layer?
1.node-to-node delivery
2.process-to-process message delivery
3.synchronization
4. updating and maintenance of routing tables
In the OSI model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's _______ layer.
1.physical
2.transport
3.session
4.presentation
Layer 2 lies between the physical layer and the _______ layer.
1.Network
2.Data link
3.Transport
4.None of the above
Suppose your network is connected to another network via a router. Which OSI model layer provides the information necessary to direct data between the two networks?
1.Network layer
2.Physical layer
3.Data Link layer
4.Session layer
TCP/IP is a ______ hierarchical protocol suite developed ____ the OSI model.
1.seven-layer; before
2. five-layer; before
3.six-layer; before
4. five-layer; after
TCP/IP model does not have ______ layer but OSI model have this layer.
1.session layer
2.presentation layer
3.application layer
4.both (a) and (b)
The functionalities of presentation layer includes
1.Data compression
2.Data encryption
3.Data description
4.All of the mentioned
The Internet model consists of _______ layers.
1.Three
2.Five
3.Seven
4.eight
The number of layers in Internet protocol stack
1.5
2.6
3.7
4.None of the mentioned
The OSI model consists of _______ layers.
1.Three
2.Five
3.Seven
4.eight
The OSI model has ________layers.
1.4
2.5
3.6
4.7
The physical, data link, and network layers are the ______ support layers.
1. user
2.network
3.both (a) and (b)
4.neither (a) nor (b)
The session, presentation, and application layers are the ____ support layers.
1.user
2.network
3.both (a) and (b)
4. neither (a) nor (b)
The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model.
1.application
2.network
3.data link
4.physical
The ____ created a model called the Open Systems Interconnection, which allows diverse systems to communicate.
1.OSI
2.ISO
3.IEEE
4.None of the above
The ______ layer establishes, maintains, and synchronizes the interactions between communicating devices.
1.transport
2.network
3.session
4.physical
The _______ layer coordinates the functions required to transmit a bit stream over a physical medium.
1.transport
2.network
3.data link
4.physical
The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format.
1. transport
2.network
3. data link
4.presentation
The _______ layer is responsible for delivering data units from one station to the next without errors.
1.transport
2.network
3.data link
4.physical
The _______ layer lies between the network layer and the application layer.
1.Physical
2.Data link
3.Transport
4.None of the above
The _______ layer links the network support layers and the user support layers.
1. transport
2.network
3.data link
4.session
The _______ model shows how the network functions of a computer ought to be organized.
1.CCITT
2.OSI
3.ISO
4.ANSI
The _________ layer enables the users to access the network.
1.transport
2.application
3.data link
4.physical
This layer present in OSI model addition to layers in TCP/IP layers
1.Application layer
2. Presentation layer
3.Session layer
4.Both (a) and (b)
When data are transmitted from device A to device B, the header from A's layer 4 is read by B's _______ layer.
1.Physical
2.Transport
3.Application
4.None of the above
When data are transmitted from device A to device B, the header from A's layer 4 is read by B's _______ layer.
1.Physical
2.Transport
3.Application
4.None of the above
When data are transmitted from device A to device B, the header from A's layer 4 is read by B's _______ layer.
1.Physical
2.Transport
3.Application
4.None of the above
Which layer is responsible for process to process delivery?
1.network layer
2.transport layer
3.session layer
4.data link layer
Which of the following layer does TCP/IP model not have but OSI have this layer?
1.Session layer
2.Presentation layer
3.Application layer
4.Both a and b
Which of the following layer is not part of the OSI layer Model?
1.Internet layer
2.Physical layer
3.Network layer
4.Application layer
Which of the following layer is not part of the OSI layer Model?
1.Internet layer
2.Physical layer
3.Network layer
4.Application layer
Which of the functionalities does presentation layer include?
1.Data compression
2.Data description
3.Data encryption
4.All of the above
Why was the OSI model developed?
1.Manufacturers disliked the TCP/IP protocol suite
2.The rate of data transfer was increasing exponentially
3.Standards were needed to allow any two systems to communicate
4.None of above
_ is the protocol suite for the current Internet.
1.TCP/IP
2.NCP
3.UNIX
4.ACM
_ is the protocol suite for the current Internet.
1.TCP/IP
2.NCP
3.UNIX
4.ACM
__________ provides full transport layer services to applications.
1. TCP
2.UDP
3.ARP
4.None of the above