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networkss
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- 1What is a computer network?two or more computers connected together to share information and resources
- 2describe a LANits only on one site and its quite small each device is called a node
- 3Describe a WANits a large geographical area use cables, telephone lines, satellites and radio
- 4What are the advantages of a computer network?messages can be sent between users
- 5What are the disadvantages of a computer network?wiring can be expensive to buy and install
- 6What devices are needed to produce a LAN?Network Adapter. A computer needs a network adapter to connect to a network. ...
Network Medium. Wired networks need cable. ...
Cable Connectors. ...
Power Supply. ...
Hub/Switch/Router. ...
Network Software. - 7What is the purpose of a NIC?The NIC contains the electronic circuitry required to communicate using a wired connection (e.g., Ethernet) or a wireless connection (e.g., WiFi). A network interface card is also known as a network interface controller, network adapter, or Local Area Network (LAN) adapter.
- 8What is the purpose of a Router?The main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks. A router is considered a layer-3 device because its primary forwarding decision is based on the information in the layer-3 IP packet, specifically the destination IP address.
- 9What is the purpose of a Hub?A hub, also called a network hub, is a common connection point for devices in a network. Hubs are devices commonly used to connect segments of a LAN. The hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
- 10What is the purpose of a Switch?The basic function that any switch is supposed to perform is to receive information from any source connected to it and dispatch that information to the appropriate destination only. This thing differentiates switches from hubs. Hub gets the information and forwards that to every other device in the network.
- 11What is the purpose of a WAP?A wireless access point (WAP) is a hardware device or configured node on a local area network (LAN) that allows wireless capable devices and wired networks to connect through a wireless standard, including Wi-Fi or Bluetooth.
- 12What is the difference between a Hub and a Switch?a hub is not intelligent – data
is sent to all nodes
across the whole of the
network. A switch is an intelligent device that can sends data to the nodes that the data is intended for. - 13What is the Internet?Network of networks
- 14What is the World Wide Web?an information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another.
- 15What is the purpose of a Modem?A modem converts digital signals generated by the computer into analog signals which can be transmitted over a telephone or cable line and transforms incoming analog signals into their digital equivalents.
- 16What is the purpose of an ISP?An Internet service provider is an organization that provides services accessing and using the Internet. Internet service providers may be organized in various forms, such as commercial, community-owned, non-profit, or otherwise privately owned.
- 17What is an IP address?a unique string of numbers separated by full stops that identifies each computer using the Internet Protocol to communicate over a network.
- 18What does HTTP stand for?HTTPS stands for Hypertext Transfer Protocol Secure
- 19What is a URL?the address of a World Wide Web page
- 20How is a URL constructed?A URL can be thought of as the "address" of a web page and is sometimes referred to informally as a "web address." ... A URL is made up of several parts. The first part is the protocol, which tells the web browser what sort of server it will be talking to in order to fetch the URL.
- 21What are the three different network topologies?Bus Topology
Ring Topology
star Topology
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- Fichas sobre networkss, creado por Paige Brown el 01/12/2017.
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- Paige Brown
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