WorksheetsUnit 11: Cybersecurity
Total questions: 22
Worksheet time: 16mins
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
Which of the following statements best describes the properties of public key encryption?
Public key encryption is an encryption method which relies on separate keys for encrypting and decrypting information.
Public key encryption is a highly secure encryption scheme that in which a single shared key is used by both the sender and receiver of the message.
Public key encryption makes use of certain types of problems which are easier for humans to solve than computers.
Public key encryption makes use of mathematical problems which no algorithm can be used to solve.
How can financial transactions safely occur on the Internet?
Through the use of symmetric keys
Through certificates issued by Certificate Authorities (CAs) that validate the keys used
Through the use of double authentication methods
The the use of frequency analysis
Which of the following is an example of multifactor authentication?
a strong password and a security question
using fingerprints and an eye scan
a digital token and a password
a digital token and a CAC
Why using Mutlfactor Authentication?
MFA is more secure than passwords
Protect your identities
Very easy to use
Provide users secure, seamless access to all their apps with single sign-on
Emailing to acquire sensitive information (passwords) by pretending to be a trustworthy entity.
Phishing
Zero-Day Exploit
DDOS
Backdoor
Botnet
A malicious attempt to make an internet/network server unavailable to legitimate users.
Virus
Worm
Trojan
DDOS
Malware used to take over and link a large number of computers in order to execute a DDOS attack.
Phishing
Zero-Day Exploit
Social Engineering
Backdoor
Botnet
Why should you update your anti-virus software regularly?
To keep it from being infected by viruses
To help out the software companies
To gain access to new websites
To protect your computer against new viruses
Examples of "Something You Know"
Phone, Token, Digital Device
Password, Passphrase, Pin (you created)
fingerprint, palm print, retina scan
Examples of "Something You Have"
Phone, Token, Digital Device
Password, Passphrase, Pin (you created)
fingerprint, palm print, retina scan
Examples of "Something You Are"
Phone, Token, Digital Device
Password, Passphrase, Pin (you created)
fingerprint, palm print, retina scan
