
Cryptography
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of cryptography?
a) Compressing data
b) Protecting information
c) Speeding up communication
d) Storing files
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of encryption uses a single key for both encryption and decryption?
a) Symmetric encryption
b) Asymmetric encryption
c) Hashing
d) Digital signatures
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of encryption in messaging apps like WhatsApp?
a) Message compression
b) End-to-end encryption
c) Data storage
d) Message deletion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which protocol is used to secure online payments?
a) FTP
b) HTTP
c) SSL/TLS
d) DNS
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does hashing ensure?
a) Data confidentiality
b) Data integrity
c) Fast file transfer
d) Secure key exchange
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between symmetric and asymmetric encryption?
a) Symmetric uses two keys, while asymmetric uses one key.
b) Symmetric uses one key, while asymmetric uses a key pair.
c) Asymmetric is faster than symmetric encryption.
d) Symmetric is only used for small files.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Certificate Authority (CA) responsible for?
a) Generating keys
b) Issuing and managing digital certificates
c) Encrypting emails
d) Storing public keys
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