The Internet: IP Addresses and DNS & a Brief History

Which of the following ideas were seen or mentioned in the video "The Internet: IP Addresses and DNS?"

• Back in the 1970s, there was no standard method for networks to communicate.

• Vint Cerf, Bob Kahn and Alan Turing invented the Internetworking Protocol that made the Internet possible.

• The Internet is a network of networks.

• The Internet is really a design philosophy and an architecture expressed in a set of protocols.

• The internet design philosophy has allowed the Internet to adapt and absorb new communication technologies.

Which of the following ideas were seen or mentioned in the video "The Internet: IP Addresses and DNS?"

• Internet Protocol addresses are hierarchical, with many parts.

• We’re in the middle of a longer transition to IPv6, which will give us enough addresses so that every grain of sand could have its own IP address!

• DNS associates names (like www.example.com) with IP addresses.

• DNS Spoofing is a problem, where a hacker silently redirects traffic to a fake website, and users often interact with it as if it’s the real thing.

• IPv4, invented in 1973, allowed for 4 Trillion devices to be connected to the Internet.

A _____ is a human-readable way of locating an Internet site.

• domain name

• IP address

• hierarchy

• domain name system (DNS)

A _____ is a machine-readable way of locating an Internet site.

• domain name

• IP address

• hierarchy

• domain name system (DNS)

A _____ is an arrangement with the biggest category at the top and subcategories below, like a triangle.

• domain name

• IP address

• hierarchy

• domain name system (DNS)

The _____ is an Internet protocol for translating domain names to IP addresses.

• domain name

• IP address

• hierarchy

• domain name system (DNS)

This is an example of the ___ nature of internet addressing system.

• redundant

• hierarchical

• fault tolerant

• web

The "http" of "http://thunderscience.org/folder" is...

• protocol

• domain name

• path

• sub domain

The "thunderscience.org" of "http://thunderscience.org/folder" is...

• protocol

• domain name

• path

• sub domain

The "folder" of "http://thunderscience.org/folder" is...

• protocol

• domain name

• path

• sub domain