Unit 11: Cybersecurity

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 IP address of the user's computer

• The user's email address

• The user's public key used for encryption

Which of the following best describes a Distributed Denial of Service (DDoS) attack?

• An attempt by a country to deny its citizens access to the Internet.

• An attempt to deny users access to a Web site's resources by flooding the Web site with requests from multiple systems.

• An attempt by one user to deny service to another by posting material on a social network.

• An attempt by a user of the Internet to get private information from a secure database.

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

• An email from your bank asks you to call the number on your card to verify a transaction.

• An email from a merchant asks that you click on a link to reset your password.

• An email from a utility company asks you to enter your date of birth and social security number for verification purposes.

• An email that indicates you have won a large sum of money and asks you to enter your bank account number so that money can be transferred to you.

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 emailing credit card information to the hotel.

• Withdrawing money from a bank using an automated teller machine.

______ encryption is a method of encryption involving one key for both encryption and decryption

• Symmetric

• Asymmetric

• Public key

• SSL

In public key cryptography, the sender uses the recipient's public key to encrypt a message. Which of the following is needed to decrypt the message?

• The sender's public key

• The sender's private key

• The recipient's public key

• The recipient's private key

What is a symmetric key used for?

• Sending and receiving information from the web

• Encrypting data

• Decrypting data

• Encrypting and decrypting data

What is the most common way computer viruses are spread?

• By people clicking on an infected file

• From pop up ads

• Through network worms

• From random botnet attacks

What does the s in https refer to?

• It's the plural of http - a more robust version of http that runs on multiple channels.

• s is for "secure" - a version of http that is encrypted.

• s is for "simple" - a simplified version of http that runs faster on modern computers

• s is for "standard" - to distinguish the original http from non-standard versions like httpv and httpx

When someone tries to get you to give up personal information through email or a bogus website it is called a: *

• DDoS Attack

• Phishing Scam

• Virus

• SSL/TLS layer