Internet Flashcards
What is a cookie?
A cookie is a string sent from a server to the browser. The string is stored in the browser and sent back to that server every time the browser makes a subsequent request. The string will usually contain information about the client so that the server can send back customized information to the client.
What parameters can a cookie have?
- Name
- Value
- Expiration date
- Path (that the cookie is valid for)
- Domain (that the cookie is valid for)
- Need for HTTPS
What is TCP/IP?
Transmission Control Protocal and Internet Protocol
Communicatio protocols that define how data should be transmitted across the web.
What does DNS mean?
Domain Name Server
A DNS acts as an address book for websites, matching web addresses with IP addresses. A device provides a web address and the DNS send back the IP address.
If a DNS does not have a particular web-IP pairing, it can ping other DNSs and save it for future requests.
What is HTTP?
Hypertext Transfer Protocol
An application protocol that defines a language for clients and servers to communicate with one another.
What is the purpose of the HTTP OPTIONS method?
To find out which request methods (e.g., GET, POST) a server supports.