What is the purpose of a Layer 3 (network layer) switch in the OSI model, and how does it differ from a traditional router?
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What is the purpose of a Layer 3 (network layer) switch in the OSI model, and how does it differ from a traditional router?
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- Transmittal protocols In the current state of network design, using both TCP and UPD has its pros and cons.Network Address Translation, or NAT, was used very often before IPv6 was fully implemented as a means to mask IPs, as well as to have many more IPs at one's disposal behind a router. Now that we are fully into using IPv6, is NAT needed anymore? What would some of the utility of NAT be?How does a router operate in the network layer (Layer 3) of the OSI model, and what is its role in routing packets between different networks?
- Explain the protocol's route across each tier of the OSI model.An entry in the switching table of a virtual-circuit network is normally created during the setup phase and deleted during the teardown phase. In other words, the entries in this type of network reflect the current connections, the activity in the network. In contrast, the entries in a routing table of a datagram network do not depend on the current connections; they show the configuration of the network and how any packet should be routed to a final destination. The entries may remain the same even if there is no activity in the network. The routing tables, however, are updated if there are changes in the network. Can you explain the reason for these two different characteristics? Can we say that a virtual-circuit is a connection oriented network and a datagram network is a connectionless network because of the above characteristics?Compare the routing protocols DSDV, AODV, DSR with respect to Protocol type, Routing approaches, Routing structure, Route selection, Routing table, and Route maintenance, Operation of protocols, Advantages, and Limitations.
- Describe the path that the protocol takes via each layer of the OSI model.How does a router function in the context of the OSI model, and at which layer does it primarily operate?Explain the concept of routing protocols in networking. How do dynamic routing protocols like OSPF and BGP work, and what are their respective use cases?
- As two distinct protocols, TCP and UDP are amenable to comparison. I'm curious as to why you, as a software architect, would choose TCP over UDP in these two specific cases.Explain the OSI model and its relevance in understanding network protocols.Do the routing protocols used inside a network and those used outside of a network have different goals?