A device that can connect more than two networks is
Correct answer: D. All of these
- A. Hub
- B. Router
- C. Gateway
- D. All of these
Explanation
Here's why each option is a device that can connect more than two networks:● (a) Hub - A hub is a basic networking device that connects multiple devices together. It operates on Layer 1 (Physical Layer) of the OSI model and simply broadcasts all data packets received on any port to all other ports. While hubs are not very common anymore due to their limitations, they can still be used in some simple home networks.● (b) Router - A router is a more intelligent device than a hub. It can connect multiple networks and route data packets between them based on their destination IP addresses. Routers operate on Layer 3 (Network Layer) of the OSI model. Routers are essential devices for connecting home networks to the wider internet, and they are also used extensively in larger corporate networks.● (c) Gateway - A gateway can connect networks that use different protocols or standards. For example, a gateway can be used to connect a Local Area Network (LAN) to a Wide Area Network (WAN) or to connect two networks that use different underlying technologies. Gateways can operate at various OSI model layers depending on the specific protocols they are translating between.In summary, all of these devices (hubs, routers, and gateways) can connect more than two networks. They each have different functionalities and are used in different networking scenarios
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Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
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