Internet Flashcards
What is an URL?
A full address for an internet source. It specifies the location of the resource so the browser can request it from the website server
What is an IP address?
A unique address that is assigned to a network device to help indicate where a packet of data is to be sent to and where from
What is a domain name?
Identifies the area or domain that an internet resource resides in
What is a fully qualified domain name (FQDN)?
One that includes the host server name, depending whether the resource being requested is hosted on the web, mail or FTP sever
e.g www.websitename.co.uk
How are domain names organised?
Each domain name has one or more equivalent IP address;
DNS catalogs all domain name’s IP addresses in global directories;
Domain names can access these in order to find the location of a resource
What is the purpose of a DNS server?
Convert a FQDN into an IP address
What is client-server networking?
The client requests information from a dedicated server;
The server waits for requests from clients to provide its services;
What is peer to peer networking?
The peer-to-peer model does not rely on servers to provide shared resources. Instead, each device can share its own resources and request resources from the other devices in the network. This means that data is stored locally on the network devices.
What it thin-client computing?
All applications run at the server
What is thick-client computing?
Applications that are used by the thick client are loaded from local store
What are the benefits of thin-client computing?
+ updates done centrally
+ higher security
+ computer does not need to be very powerful
What are the benefits of thick-client computing?
+ applications run better locally
+ does not need a fast and stable internet connection
