
Cryptography and Cybersecurity
Authored by Steven Hahn
10th - 12th Grade
CCSS covered
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A symmetric algorithm used to encrypt data and provide confidentiality. It was originally designed as a replacement for DES. It uses multiple keys and multiple passes and is not as efficient as AES, but is still used in some applications, such as when hardware doesn’t support AES.
3DES
SHA256
MD5
RC4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A symmetric algorithm used to encrypt data and provide confidentiality. It is quick, highly secure, and used in a wide assortment of cryptography schemes. It includes key sizes of 128 bits, 192 bits, or 256 bits.
DES
AES
RC4
MD5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tony and Steve decide to encrypt their communication using an asymmetric encryption algorithm. Which one is the following would be the best to use while meeting their specifications?
AES with a 256 bit key
DES
RSA
Blowfish
Twofish
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ann wants to use cryptography to protect passwords for a new web-based tool that is being developed. Shw chooses an algorithm that uses a fixed-length output that is not reversible. Which algorithm might she have chosen?
SHA-256
CCMP
DES
3DES
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gene is worried that if an attacker had rainbow tables available that they might be able to crack some of the passwords that have been hashed and stored on a server. Which of the following might render these rainbow table useless?
Retina scanner
Salting
MD5
Full disk encryption
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bruce is setting up an 802.11ac network and wants to ensure the highest level of security. Which of theses options would be the best to meet his specifications?
WPA2 with TKIP
WPA2 with AES
WPA2 with SSL
WPS2 with MD5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In which type of encryption is the same key used to encrypt and decrypt data?
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