
Cryptography and Security Quiz
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Computers
1st Grade
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which security function is provided by encryption algorithms?
confidentiality
key management
authorization
integrity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of cryptographic key would be used when connecting to a secure website?
symmetric keys
digital signatures
DES key
hash keys
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do most cryptographic system attacks seek to target?
user information
the cryptographic algorithm
key management
the actual data packet
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of attack does the use of HMACs protect against?
man-in-the-middle
DoS
DDoS
brute force
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a feature of asymmetrical encryption?
Different keys are used to encrypt and decrypt data.
It requires fewer computations than symmetric encryption requires.
Key lengths are short.
It encrypts bulk data quickly.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reason for HMAC to use an additional secret key as input to the hash function?
to provide integrity verification
to provide encryption
to provide authentication
to prevent DoS attacks
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the DH algorithm?
to support email data confidentiality
to encrypt data traffic after a VPN is established
to generate a shared secret between two hosts that have not communicated before
to provide nonrepudiation support
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