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Which osi layer is responsible for the mechanical connection to the network?
The Physical Layer
Difference between transport and network layer?
+network layer logical communication between hosts +transport layer: logical communication between processes ex: we have 2 house and one house have 12 room. kids in the houses send letter together. network layer: only send letter between the houses transport layer: it make sure that the letter be sent to right the room in the house.
What is the advantage of using a layer 3 switch in the core of a campus network?
The speed at which it establish a network connection.
The layer lies between the network layer and the application layer?
There are three layers in between the network layer & application layer on the basis of ISO-OSI refference they are given below 1:Transmition layer 2:Session layer 3:Presentation layer
In the text the term connection oriented service is used to describe a transport layer service and connection service for a network layer service Why the subtle shades in terminology?
In a virtual circuit network, there is an end-to-end connection in the sense that each router along the path must maintain state for the connection; hence the terminology connection service. In a connection-oriented transport service over a connectionless network layer, such as TCP over IP, the end systems maintain connection state, but the routers have no notion of any connections; hence the terminology connection-oriented service.
Operates at the network layer and manages multicasting?
IGMP
Which layer of the OSI model sets up a virtual connection between the communications devices on a network?
transport
What happens to the transport layer PDU as the packet moves through the network?
manages the data transport between the processes running on each end host
Difference TCP and UDP?
TCP is the protocol of network layer, It is connection oriented protocol. UDP is the protocol of network layer, It is connection less protocol.
Which osi layer is responsible for the mechanical connection to the network?
The Physical Layer
Which network design layer provides connection point for end user devices to the network?
The Access Layer
Which two functions are provided by the NCP during a PPP connection?
During a PPP (Point-to-Point Protocol) connection, the NCP (Network Control Protocol) provides two main functions: it establishes and configures the network layer protocols used over the link, and it manages the negotiation of options for these protocols. NCP allows different network layer protocols to operate simultaneously over the same link by encapsulating their packets. Additionally, it facilitates the dynamic assignment of IP addresses and other necessary parameters for the network layer.
Difference between transport and network layer?
+network layer logical communication between hosts +transport layer: logical communication between processes ex: we have 2 house and one house have 12 room. kids in the houses send letter together. network layer: only send letter between the houses transport layer: it make sure that the letter be sent to right the room in the house.
What layer of the OSI model defines the rules for accessing and using the physical layer?
The physical layer - it describes the hardware and the signaling techniques used at the physical connection between the network and the device.
What layer is divided into two layers?
The OSI model's data link layer is divided into two sublayers: the Logical Link Control (LLC) and the Media Access Control (MAC) layers. The LLC layer manages communication between devices on a network, while the MAC layer controls access to the physical network medium.
Which OSI layer establishes maintains and terminates the connection with the destination?
The OSI layer responsible for establishing, maintaining, and terminating connections with the destination is the Session Layer, which is the fifth layer of the OSI model. It manages sessions between applications, ensuring that data exchange occurs smoothly and efficiently. This layer provides mechanisms for controlling the dialog and synchronization between communication parties.
What function does NCP perform in the establishment of a PPP session?
NCP (Network Control Protocol) is responsible for negotiating and configuring the network-layer parameters of a PPP (Point-to-Point Protocol) session. It establishes and manages the network control options needed for the successful communication between the two endpoints of the PPP link. NCP allows for the customization of network protocols and parameters to suit the specific requirements of the PPP connection.
