A- The one of key network-core function is B- is an alternative to the packet switching.

Q: In a network, what functions are performed by the bridge, the router, the gateway, and the switch?

A: Gateway switch: A gateway is exactly what it sounds like: a device that operates as a crossing point…

Q: Explain why centrally located software parts are used in a spread system and give some examples. How…

A: Centrally located software parts are used in a distributed system to facilitate communication…

Q: In a wide area network, how is routing accomplished?

A: A wide area network is also known as WAN.

Q: Describe the functions of routers in the OSI model and their role in network communication.

A: A router is a critical networking device that operates at the Network Layer (Layer 3) of the OSI…

Q: (I)In TCP,what situations will lead to packet retransmission? (ii)Describe the structure of DNS

A: (I)The situations leading to packet retransmission in TCP are: When the packet lost or damaged :…

Q: Explain the concept of subnetting and how it is utilized in IP network design.

A: Subnetting is a technique in IP network design that involves dividing a network into smaller more…

Q: Network layer services are varied.

A: The network layer is the third and final tier of the OSI model of computer networks. The primary…

Q: Explain the concept of a Layer 3 switch and its advantages over traditional routers in network…

A: A Layer 3 switch, also known as a multilayer switch or routing switch, is a network device that…

Q: Describe the functions of a switch in a network, and explain which OSI model layers it operates in.

A: Network device communication is explained by the OSI model. Seven layers make up this paradigm, each…

Q: According to the OSI model, the network layer provides the virtual circuit interface to…

A: Here, one statement is given and we have to verify it. Statement given: According to the OSI model,…