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CP/WAN
Revision materials on WANs
Question | Answer |
---|---|
What does DNS stand for? | DNS stands for Domain Name Server |
What is web hosting? | Web hosting is an internet service that hosts websites for clients |
What does the IP address do and what does it stand for? | IP address stands for Internet Protocol address which is an exact location of a device within a network and it can change. |
What does ISP stand for and what does it do? | ISP stand for Internet Service Provider and it is when a company provides internet access to a network or device. |
What does URL stand for and what does it do? | URL stands for Uniform Resource Locator and it locates resources on the web. |
How does the DNS work? | The URL of a website is sent to the ISP and they look up the URL in their DNS address book. They then find it and send back the Websites IP address. |
What is the cloud and what does it do? | The cloud is a network of servers hosted on the internet which offer and range of services to store and process data for clients. |
What is a client? | A client is a user device that connects to a server in order to be served by it. |
Why would a company use the cloud? | There is no need to buy and install software. Any connected computer can access the server. work is automatically saved, lower costs. |
What are the disadvantages of using the cloud? | Sensitive company data can be stored in another county which may not adhere to the same data laws as the country the company is in. |
What is a WAN? | A WAN is a network that covers a wide geographical area and it stands for Wide area network. |