Block 1: Part 1 Flashcards
Define a website
A collection of inter-linked webpages and digital assets on the World Wide Web - usually under a single common ownership.
Define TCP/IP
Transmission Control Protocol/ Internet protocol
What does W3C stand for and what is their role regarding the Internet?
World Wide Web consortium are responsible for HTML and other subsequent presentation languages
What is the IETF and what do they do?
Internet engineering task force control HTTPand the transportation or delivery protocols
Describe the client-server architecture of the Internet.
We. Applications split the computing workload between a user’s browser processing and disabling data on their p. Or device and a remote web server distributing tu content
Define usable
User interfaces should be both intuitive and unambiguous and therefore usable by all users.
Summarise some of the facts about a web application
Fulfils some form of business requirement
Is built using Internet and web technologies and protocols
Is delivered by distributed architecture
Is standards compliant
Should be usable
Should be accessible
Define dynamic content
Website content that changes over time or in response to user interactions and or preferences
when the browser begins and loads a homepage document, where is this document loaded from?
either from local storage (known as a cache) or from a server over some network.
each computer connected to the internet has a unique number or address, how are these assigned?
these numbers are defined by the Interent Protocol (IP) standard.
What is the Domain Name System
(DNS) is the means that internet domain names are located and translated into Internet Protocol (IP) addresses.
What is the GET method?
The request is made up of three parts: a request line, one or more header lines and a body or payload.
the response that the client receives from the server is like the GET request how?
IT too is split into three parts, a status line, one or more header lines and the body.
What is this?
HTTP/1.1 200 OK
and what are the three parts?
This is the status line of a OK response from server.
The first part confirms the version of HTTP being used. The second part is a numeric code or status regarding the outcome of the request and the third part is is a character string of the same information.
Name some of the headers in the responce from the server to a GET request. (8 in total)
Date: Server: software of server Last-Modified: ETag: Entity Tag, is used for browser cache to make site browsing more efficient. Accept-Ranges: Size of data pieces? Content-Length: How many data pieces in size of returned file. Connection: close or Keep-alive Content-Type.