Web Flashcards
What is a web page?
A document that is viewed in a web browser
What is a website?
A collection of related webpages
What is a web server?
A server that serves web pages to web browsers
What is a browser?
A program for viewing web pages
Who currently develops web standards for the major web browsers?
Web Hypertext Application Technology Working Group (WHATWG)
What is an IP address?
A computers unique address on the web where it can receive Packets
What is an IP address composed of?
A typical IP address is 32 bits, divided into four 8-bit groups, each group often written as a decimal number.
Why was IPv6 made, and what distinguishes it from IPv4?
There were too few unique addresses, so IPv6 introduces 2^128 addressing bits vs 32 in IPv4.
What is a Domain Name?
A name for an IP address (ex: wikipedia.org)
What is a DNS server?
A DNS server is a Domain Name System Server (also called a ‘Root Server’) and converts domain names to IP addresses.
What is a TLD (top-Level Domain)?
It is right-most part of a Domain Name. (ex: .com .edu .gov etc)
What is a second-level Domain?
Second-level is often an organizations name, and precedes the TLD. (ex: ‘wikipedia’ in ‘wikipedia.ord’)
What is a third-level or lower Domain?
Refers to sub-computer systems local to an organization (ex: ‘cs’ in ‘cs.colostate.edu’)
What is a URL composed of?
- Scheme
- Hostname
- Path
- Query String
- Fragment
What is a URL Scheme?
Characters at the beginning of a URL followed by ‘:’ or ‘://’ (ex: ‘http’ or ‘https’
What is a URL Hostname?
The complete Domain Name
What is a URL path?
The characters to the right of the Host Name
What is a URL Query String?
Optional characters to the right of the question mark (?) in a URL that provide data for the web server.
What is a URL Fragment?
Optional characters at the end of a URL that start with a hash character (#) and refer to a certain location within a webpage
