Karteikarten
Networks
Karten in diesem Stapel (28)
- 1What is a computer network?when two or more computers are connected together by wired or wireless
- 2Describe a LANrelatively small and it is owned by the organisation.
- 3describe a wanexamples international banking systems and ATM machines
- 4What are the advantages of a computer network?you can share files
cheaper
bucked up easily - 5What are the disadvantages of a computer network?specialist
- 6What devices are needed to produce a LAN?Network adapter.
Cable Connectors
Power Supply - 7What is the purpose of a nick?The nick contains the electronic circuitry required to communicate using a wired connection (e.g., Ethernet
- 8What is the purpose of a Router?The main purpose of a router is to connect multiple networks
- 9What is the purpose of a Hub?A hub, also called a network hub, is a common connection point for devices in a network.
- 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
- 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 switch purpose is to receive information from any source connected and a hub is a common connection
- 13What is the Internet?a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
- 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?Modem stands for modulator/ demodulator. 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 (ISP) 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?http stands for Hypertext Transfer Protocol Secure, and instead of acting as its own application layer protocol, it uses separate protocols called SSL (Secure Sockets Layer) and TLS (Transport Layer Security).
- 19How 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.
- 20What is a URL?the address of a World Wide Web page.
- 21What are the three different network Topologies?Bus Topology. ...
Ring Topology. ...
star Topology. ... - 22What are the advantages / disadvantages of a Star topology?all the components of network are connected to the central device called “hub” which may be a hub, a router or a switch. ... So it can be said that every computer is indirectly connected to every other node by the help of “hub
- 23What are the advantages / disadvantages of a Ring topology?All data being transferred over the network must pass through each workstation on the network, which can make it slower than a star topology. ... The hardware needed to connect each workstation to the network is more expensive than Ethernet cards and hubs/switches.
- 24What are the advantages / disadvantages of a Bus topology?Alternatively referred to as a line topology, a bus topology is a network setup in which each computer and network device are connected to a single cable or backbone. The following sections contain both the advantages and disadvantages of using a bus topology with your devices.
- 25List examples of data that need to be kept securebank account details
passwords
gmails - 26What is HTTPS and what is it used for?HTTP is the underlying protocol used by the World Wide Web and this protocol defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands.
- 27What is encryptionthe process of converting information or data into a code, especially to prevent unauthorized access
- 28What is decryption?decoding a scrambled code
Informationen
- Beschreibung
- Karteikarten am Networks, erstellt von Sayan Sheikh am 23/11/2017.
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- Sayan Sheikh
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