Chapter 25 Flashcards
What is HTTP model
Its a communication model between server and client. Its a request response oriented protocol.
Does HTTP model stateless
Yes
What is web server
Its a software that provide services to access the internet or an intranet
What is protocol
A protocol is a set of rules and guidelines for communicating data
What HTTP request consist of
- Request method
- URI
- Header Fields
- Body
What HTTP response consist of
- Result code
- Header fields
- Body
Response codes between 100 - 199 do what
They are informational and acknowledgement of success
Response codes between 200 - 299 do what
Acknowledge the success of request
Response codes between 300 - 399 do what
Files moved
Response codes between 400 - 499 do what
indicate an error from client side
Response codes between 500 - 599 do what
indicate an error from server side
What is response code 503 means
It tells that http server is temporarily overloaded and unable to handle the request
What is response code 403 means
It tells that access to the requested resources has been denied
What is CGI
Common gateway interface. In this programming, web server is able to communicate with third party (generally programs e.g. C based programs). Like google search engine
What are java web application technologies
- JavaServer pages
- JavaServer faces
- JavaServer pages standard tag library
- Java Servlet
