AP COMPUTER SCIENCE PRINCIPLES Unit 2 Exam – The Internet

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A local business upgrades its network to increase the network’s bandwidth. Which of the following best explains the benefit of increased bandwidth? Options: the network will be more fault-tolerant, the speed at which files are sent and received increases, the files transmitted on the network are more secure, the devices no longer require IP addresses to send and receive data

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the speed at which files are sent and received increases

Front

Which of the following best describes the role of an Internet Protocol (IP) address? a. a unique numerical address provided to every device connected to the Internet, b. A code used to identify the physical location of a device on the Internet.

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a unique numerical address provided to every device connected to the Internet

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Which of the following refers to the process of finding a path from sender to receiver? routing, domain name system (DNS), HyperText Transfer Protocol (HTTP), fault-tolerance

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routing

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Which of the following best describes a path in computing? Options: the type of programming language used to create software applications, the physical location of a computing device within a network, the speed at which data travels between sender and receiver, a sequence of directly connected computing devices that begins at the sender and ends at the receiver

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a sequence of directly connected computing devices that begins at the sender and ends at the receiver

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Which of the following measurements most likely refers to bandwidth? a. a download speed, such as 42 megabytes per second b. the number of pixels in a computer monitor's display, such as 1920x1080 c. the size of a computer's hard drive, such as 1 terabyte d. The amount of RAM (memory) in a computer, such as 8 gigabytes

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a download speed, such as 42 megabytes per second

Front

Which of the following is a subdomain of the domain cnn.com?

2. breakingnews.cnn.com

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breakingnews.cnn.com

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Which of the following best describes the role of the Domain Name System (DNS)? Options: the address book of the internet that translates human-friendly domain names into numerical IP addresses that computers understand, a type of software used to protect computers from malware and viruses, a physical device that connects computers to the internet, a method for encrypting data during internet communication

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the address book of the internet that translates human-friendly domain names into numerical IP addresses that computers understand

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Which of the following best describes the nature of the protocols used on the internet? the protocols are closed, which allows only large technology companies like Apple and Google to build Internet-connected devices, the protocols used are open, which allows any manufacturer to build devices that can connect to the Internet, the protocols are both open and closed, which allows a select number of companies to build devices that can connect to the Internet, the protocols are closed, which makes the Internet secure

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the protocols used are open, which allows any manufacturer to build devices that can connect to the Internet

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Which of the following best explains the role of transmission control protocol (TCP) and Internet Protocol (IP)? Options: to provide a standard for sending and receive messages using packets on the Internet, to increase a network’s bandwidth to an acceptable rate, to ensure the Internet remains fault-tolerant, to provide subdomain names from the domain name system (DNS)

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to provide a standard for sending and receive messages using packets on the Internet

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Which of the following best explains the design of the Internet? the Internet is centralized, so if a certain connections fail, the system will fail, the Internet is decentralized, but if a single connection fails, the network will no longer function, the Internet is decentralized, so if a single connection fails, the network can remain functional, the Internet is centralized, so the connections at the center are most vital

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the Internet is decentralized, so if a single connection fails, the network can remain functional