AP Computer Science Principles 1

What is the purpose of DNS?

• It assigns a unique address to every device on the Internet.
• It returns the IP address given the name of a website.
• It forwards a message from one machine to another.
• It has more bits so you can make a longer, unique address.

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

• IP v6 is easier to use.
• IP v4 does not work on old hardware.
• IP v4 was not encrypted.
• We are running out of IP v4 addresses.

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

• IP v6 is easier to use.
• IP v4 does not work on old hardware.
• IP v4 was not encrypted.
• We are running out of IP v4 addresses.

Which of the following is an IP address?

• www.google.com
• 192.168.2.25
• 1024.2048.64.512.256
• A5:D4:23:56:FF:A4

Which of the following is an IP address?

• www.google.com
• 192.168.2.25
• 1024.2048.64.512.256
• A5:D4:23:56:FF:A4

What is an Event?

• An action that causes something to happen

• An action that doesn’t do anything in the App

• An action that will allow you to look up and event

• Something that is happening in the calendar

What is an Event?

• An action that causes something to happen

• An action that doesn’t do anything in the App

• An action that will allow you to look up and event

• Something that is happening in the calendar

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

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)

Which of the following is LEAST likely to indicate a phishing attack?

• An e-mail from your bank asks you to call the number on your card to verify a transaction
• An e-mail from a merchant asks that you click on a link to reset your password
• An e-mail from a utility company asks you to enter your date of birth and social security number for verification purposes.
• An e-mail indicates that you have won a large sum of money and asks you to enter your bank account number so that the money can be transferred to you