7 - Technology Internet Flashcards
What is the Internet?
A worldwide network of computers connected through undersea cables and other infrastructure.
What is a server?
A computer that serves files.
Where is data stored?
In large data centers in racks.
Who created the Internet and when?
The USDOD during the Cold War in 1962.
What was ARPANET?
A network that allowed data transfer through multiple paths to prevent failures.
When was NSFNET created?
1981 for college networks.
Why did the Internet switch from ARPANET?
To achieve faster speeds.
What is the Surface Web?
Search engine-accessible content.
What is the Deep Web?
Hidden content such as databases and private pages.
What is the Dark Web?
Content accessible only via special software (Tor), often associated with anonymity and illicit activities.
What is an IP Address?
Your computer’s address on the Internet.
What does ISP stand for?
Internet Service Provider.
What does the TCP/IP stand for?
Transmission Control Protocol / Internet Protocol.
What is required to send data online?
Sender Address and Receiver Address.
What are packets?
Small pieces of data broken down before sending.
What is a Transfer Protocol?
Rules for formatting data in a package.
Name a common transfer protocol.
HTTP, HTTPS, FTP, SMTP.
What does HTTPS stand for?
Hypertext Transfer Protocol Secure.
What is a file path?
Always starts with / and ends with a file type.
What does a URL stand for?
Uniform Resource Locator.
What are the parts of a URL?
- Protocol
- Subdomain
- Domain
- Top-Level Domain (TLD)
- File Path
- Parameter
- Anchor
What is the purpose of a DNS server?
Translates domain names into IP addresses.
What are the steps to how a domain name works?
- Enter a URL
- Browser contacts DNS server
- Connect to website’s server using IP address.
What are gTLDs?
Generic Top-Level Domains like .com, .net, .gov, .org.