CS Unit 2 Internet

Which of the following situations is most likely to cause issues arising from the digital divide? A. A state makes voter registration forms available only by visiting a government website B. Two internet-connected devices located in different countries and thousands of miles apart attempt to communicate with one another C. Packets sent from one router to another begin arriving in a different order than they were sent D. A smartphone attempts to communicate over the Internet with another type of device, like a tablet or laptop

A. A state makes voter registration forms available only by visiting a government website

Which of the following Internet protocols is used to request and send pages and files on the World Wide Web? A. Transmission Control Protocol (TCP) B. Internet Protocol (IP) C. User Datagram Protocol (UDP) D. HyperText Transfer Protocol (HTTP)

D. HyperText Transfer Protocol (HTTP)

Emilee is watching an online video. The video is being sent to her laptop by a server over the Internet which splits the video into packets and sends them in the order they appear in the video. Which of the following is true about how the packets will arrive at her computer? A. The packets will always be received in the order that they were sent B. Either every packet will reach her computer or none of them will. C. Packets that arrive out of order will be sent back to the server. D. The packets may arrive out of order

D. The packets may arrive out of order

for what reason would we want networks to be redundant

Redundant networks are more reliable

Protocols on the Internet

The protocols of the Internet are open and used by all devices connected to the network

how does the Internet respond to the increasing number of devices now using the network?

The protocols of the Internet were designed to scale as new devices are added

Which of the following Internet protocols is MOST important in reassembling packets and requesting missing packets to form complete messages? A. Transmission Control Protocol (TCP) B. Internet Protocol (IP) C. User Datagram Protocol (UDP) D. HyperText Transfer Protocol (HTTP)

A. Transmission Control Protocol (TCP)

Which of the following is MOST likely to be an outcome of the digital divide? A. Certain companies will be unable to certify their technology as digitally secure. B. People from some racial or ethnic groups have unequal access to computing technology. C. People will have equal access and influence both globally and locally. D. Political groups in some countries are unable to agree on regulations of digital technology.

B. People from some racial or ethnic groups have unequal access to computing technology.

how are packets sent through the Internet?

Packet metadata is used to route and reassemble information travelling through the Internet

What is the purpose of an IP address?

IP addresses provide a unique number for identifying devices that send and receive information on the Internet

computing system

a group of computers working together for a common purpose

computing network

a group of connected computers that can send or receive data

computing device

a machine that can run a program

path

a sequence of direct connections

fault tolerance

the capability of a system to continue performing when there is a hardware failure