College Board MCQ: This is an image Watching videos is very helpful. I accidentally took the Internet Quiz without watching any videos or looking at outside sources and didn’t get the questions.

4.1 Daily Video 1

Essential Knowledge:

  • A computing device is a physical artifact that can run a program. Some examples include computers, tablets, servers, routers, and smart sensors.
  • A computing system is a group of computing devices and programs working together for a common purpose.
  • A computer network is a group of interconnected computing devices capable of sending or receiving data.
  • A computer network is a type of computing system.
  • A path between two computing devices on a computer network (a sender and a receiver) is a sequence of directly connected computing devices that begins at the sender and ends at the receiver.
  • Routing is the process of finding a path from sender to receiver.
  • The bandwidth of a computer network is the maximum amount of data that can be sent in a fixed amount of time.
  • Bandwidth is usually measured in bits per second.

4.1 Daily Video 2

Essential Knowledge:

  • The Internet is a computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols.
  • Access to the Internet depends on the ability to connect a computing device to an Internet connected device.
  • A protocol is an agreed-upon set of rules that specify the behavior of a system.
  • The protocols used in the Internet are open, which allows users to easily connect additional computing devices to the Internet.
  • Routing on the Internet is usually dynamic; it is not specified in advance.
  • The scalability of a system is the capacity for the system to change in size and scale to meet new demands.
  • The Internet was designed to be scalable.
  • Information is passed through the Internet as a data stream.
  • Data streams contain chunks of data, which are encapsulated in packets.
  • Packets contain a chunk of data and metadata used for routing the packet between the origin and the destination on the Internet, as well as for data reassembly.
  • Packets may arrive at the destination in order, out of order, or not at all.
  • IP, TCP, and UDP are common protocols used on the Internet
  • The World Wide Web is a system of linked pages, programs, and files.
  • HTTP is a protocol used by the World Wide Web.
  • The World Wide Web uses the Internet.