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error control and recovery flow control ppp(point to point protocol transfering from physical layer to network entities
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Difference between ATM reference model and OSI model?
osi modal is deovaped by iso company it has 7 layers but ATM modal has a 4 layers osi modal have a physical layer,datalink layer,network layer, trasport layer, session layer, perastion layer, application layer, but
With firewall works at which layer?
A firewall generally works at layer 3 and 4 of the OSI model. Layer 3 is the Network Layer where IP works and Layer 4 is the Transport Layer, where TCP and UDP function. Many firewalls today have advanced up the OSI layers and can even understand Layer 7 - the Application Layer.
Which OSI layer does TCP operate?
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
NBNS work at which layer of OSI model?
Layer 4 : The Transport Layer
4 basic function of computer?
data processing,data storage,data movement and control.
How many layers are there in Open Systems Interconnection?
Seven.Seven.Seven.Seven.
Can you explain the concept of OSI layers?
osi stands for open system interneconnections and it is based on international standard organisation. There are seven layers in osi model 7)Application Layer 6)Presentation Layer 5)Session Layer 4)Transport Layer 3)Network Layer 2)Datalink Layer 1)Physical Layer
Difference between ATM reference model and OSI model?
osi modal is deovaped by iso company it has 7 layers but ATM modal has a 4 layers osi modal have a physical layer,datalink layer,network layer, trasport layer, session layer, perastion layer, application layer, but
With firewall works at which layer?
A firewall generally works at layer 3 and 4 of the OSI model. Layer 3 is the Network Layer where IP works and Layer 4 is the Transport Layer, where TCP and UDP function. Many firewalls today have advanced up the OSI layers and can even understand Layer 7 - the Application Layer.
Router work in which layer of osi model?
Routers work in layers two, three, and four layer 1 Physical (copper, fiber,...) layer 2 Datalink (ethernet, token ring, ...) 2->3 providing address resolution (ARP) ie. media access control (MAC) to IP translation layer 3 Network (IP,IPX,RIP,...) 3->4 providing routing layer 4 Transport provides error handling in connectin oriented delivery and handles connectionless delivery Conneciton Oriented(TCP,SPX) Connectionless (UDP)
If a firewall does nothing more than filter packets at what layer of the OSI model does it operate?
A firewall generally works at layer 3 and 4 of the OSI model. Layer 3 is the Network Layer where IP works and Layer 4 is the Transport Layer, where TCP and UDP function. Many firewalls today have advanced up the OSI layers and can even understand Layer 7 - the Application Layer.
What is the function of the animals?
There are 4 basic functions of an animal. 1. Reproduction 2. Keeping conditions stable 3. Movement 4. Obtaing food and oxygen
Which OSI layer uses a connection-oriented protocol to ensure reliable delivery of data?
transport layer
What layer of OSI model does netBIOS operate?
Session Layer - layer 5Transport Layer - layer 4
What OSI Layer ensures packet delivery and retransmission?
Layer 4 (Transport) is responsible for correction.
Which OSI layer does TCP operate?
TCP and UDP are transport layer protocols; the OSI layer is layer 4 (transport)
NBNS work at which layer of OSI model?
Layer 4 : The Transport Layer
