FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

HOW STAR BUS RING MESH TOPOLOGY CONNECT COMPUTER NETWORKS IN ORGANIZATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which layer of the OSI model is responsible for establishing, managing, and terminating communications between two computers?
A
Session
B
Network
C
Physical
D
Data-link
Explanation: 

Detailed explanation-1: -Layer 5 of the OSI Model: Session Layer is the layer of the ISO Open Systems Interconnection (OSI) model that controls the dialogues (connections) between computers. It establishes, manages, and terminates the connections between the local and remote application.

Detailed explanation-2: -The transport layer is the layer in the open system interconnection (OSI) model responsible for end-to-end communication over a network.

Detailed explanation-3: -The network layer uses network addresses (typically Internet Protocol addresses) to route packets to a destination node. The data link layer establishes and terminates a connection between two physically-connected nodes on a network. It breaks up packets into frames and sends them from source to destination.

Detailed explanation-4: -Data Link Layer This layer is responsible for establishing and terminating connections between two physical nodes of a network. It takes data packets from the network layer and breaks them into frames.

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