AP Computer Science Unit 2 Quiz

Jesse purchases a new smartphone and is immediately able to use it to send a photo over the Internet to a friend who lives in a different country. Which of the following is NOT necessary to make this possible?

A single direct connection is established between any two devices connected to the Internet

Which of the following situations is most likely to cause issues arising from the digital divide?

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

Which of the following best explains how data is transmitted on the Internet?

Data is broken into packets, which can be sent along different paths.

Which of the following actions is most likely to help reduce the digital divide?

Deploying satellites and other infrastructure to provide inexpensive Internet access to remote areas of

Which of the following best describes the purpose of an IP address?

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

Which of the following statements about the Internet is true?

The Internet is designed to scale to support an increasing number of users.

***Which of the following best describes the relationship between the World Wide Web and the Internet?

The World Wide Web is a system of linked pages, programs, and files that is accessed via a network

***Which of the following is a characteristic of the fault-tolerant nature of routing on the Internet?

The ability to provide data transmission even when some connections have failed

A user enters a Web address in a browser, and a request for a file is sent to a Web server. Which of the following best describes how the file is sent to the user?

The file is broken into packets for transmission. The packets must be reassembled upon receipt.

Which of the following best describes the protocols used on the Internet?

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

Which of the following is true of how the Internet has responded to the increasing number of devices now using the network?

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

The transmission control protocol (TCP) and Internet protocol (IP) are used in Internet communication. Which of the following best describes the purpose of these protocols?

To establish a common standard for sending messages between devices on the Internet

Which of the following Internet protocols is MOST important in reassembling packets and requesting missing packets to form complete messages?

Transmission Control Protocol (TCP)

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?

The packets may arrive out of order

Which of the following best explains what happens when a new device is connected to the Internet?

An Internet Protocol (IP) address is assigned to the device.

Which of the following explains a benefit of using open standards and protocols for Internet communication?

Open standards and protocols allow different manufacturers and developers to build hardware and software that can communicate with hardware and software on the rest of the network.

Which of the following is true of how packets are sent through the Internet?

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

Which of the following is MOST likely to be an outcome of the digital divide?

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

Two devices are connected to the Internet and communicating with one another. A squirrel chews through one of the wires in the network that is currently being used by the devices to communicate. The network immediately begins using a different path through the network and communication continues as normal. This situation best exemplifies which principle?

fault-tolerance

An Internet Service Provider (ISP) is a company that builds the routers and wired connections that allow individuals to access the Internet. An ISP is considering adding additional redundant connections to its network. Which of the following best describes why the company would choose to do so?

Redundant networks are more reliable

Which of the following best describes the role of the Internet Engineering Task Force (IETF) ?

Developing standards and protocols for Internet communication

Which of the following best explains how data is typically assembled in packets for transmission over the Internet?

Each packet contains data to be transmitted, along with metadata containing information used for

Which of the following is a true statement about Internet communication?

Every device connected to the Internet is assigned an Internet protocol (IP) address.

A local router is configured to limit the bandwidth of guest users connecting to the Internet. Which of the following best explains the result of this configuration as compared to a configuration in which the router does not limit the bandwidth

Guest users will be restricted in the maximum amount of data that they can send and receive per second.

Which of the following Internet protocols is used to request and send pages and files on the World Wide Web?

HyperText Transfer Protocol (HTTP)

Internet protocol version 6 (IPv6) has been introduced to replace the previous version (IPv4). Which of the following best describes a benefit of IPv6 over IPv4?

IPv6 allows for a greater number of addresses than IPv4, which allows more devices to be connected to

***Which of the following best describes a direct benefit in using redundant routing on the Internet?

Redundancy often allows messages to be sent on the network even if some network devices or connections have failed