Unit 2- AP Computer Science Principles Questions And Answers With Verified Tests 100% Correct Answers

1. Match the following terms with their definitions - computing device-a machine that can run a program. computing system-a group of connected computers that can send or receive data. computing network-a group of computers working together for a common purpose. path-a sequence of direct connects. 2. Which of the following best describes the protocols used on the Internet? A. The protocols of the Internet are designed by government agencies to ensure they remain free to use B. The protocols of the Internet are secret to maintain the privacy and security of people using them C. Each device connected to the Internet will use a protocol designed by the company that manufactured it D. The protocols of the Internet are open and used by all devices connected to the network - D. The protocols of the Internet are open and used by all devices connected to the network. 3. 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. Both devices are using the same shared and open protocols B. A single direct connection is established between any two devices connected to the Internet C. The data of the image is routed through a sequence of directly connected devices before arriving at its destination. D. Both devices are directly connected to at least one part of the Internet - B. A single direct connection is established between any two devices connected to the Internet. 4. What is the minimum number of paths broken to prevent device A from connecting with device E? A.1 B.2 C.3 D.4 - C.35. Device A is attempting to send data over to device E. Which of the following is true of how the data will travel through the network? A. The data will always travel through device B as it is the shortest path. B. The data will never be sent through device G since their are other shorter paths available. C. It is possible that the data will travel through any of the devices in the network before arriving at device E. D. If the data travels through device D then it will not travel through device E. - C. It is possible that the data will travel through any of the devices in the network before arriving at device E.