AP Computer Science Principles Units 1-3

Front

What is the purpose of DNS?

Back

It returns the IP address given the name of a website.

Front

Why is IP v4 going to be replaced by IP v6?

Back

We are running out of IP v4 addresses.

Front

Which of the following is an IP address? Options: www.google.com, 192.168.2.25, 1024.2048.64.512.256, A5:D4:23:56:FF:A4

Back

192.168.2.25

Front

What is an Event?

Back

An action that causes something to happen

Front

According to the domain name (DNS), which of the following is a subdomain of the domain example.com? about.example.com, example.co.uk, example.com.org, example.org

Back

about.example.com

Front

Which of the following activities poses the greatest personal cybersecurity risk? Making a purchase at an online store that uses public key encryption to transmit credit card information, Paying a bill using a secure electronic payment system, Reserving a hotel room by e-mailing a credit card number to a hotel., Withdrawing money from a bank account using an automated teller machine (ATM)

Back

Reserving a hotel room by e-mailing a credit card number to a hotel.

Front

Which of the following is considered an unethical use of computer resources? Options: Downloading freeware or shareware onto your home computer, Purchasing a game from an app store and downloading it directly to a mobile device, Purchasing a single-user copy of photo editing software and installing it on all computers in a computer lab, Searching online for an electronic version of a school textbook

Back

Purchasing a single-user copy of photo editing software and installing it on all computers in a computer lab

Front

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?

Back

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

Front

Two computers are built by different manufacturers. One is running a Web server and the other is running a Web browser. Which of the following best describes the ability of the two computers to communicate with each other across the Internet?

Back

The computers can communicate directly because Internet communication uses standard protocols.

Front

Which of the following has the greatest potential for compromising a user’s personal privacy? A group of cookies stored by the user’s Web browser, The Internet Protocol (IP) address of the user’s computer, The user’s e-mail address, The user’s public key used for encryption

Back

A group of cookies stored by the user’s Web browser