Question 1

See image

Accepted Answer

Question:What is the vulnerability of key exchange in symmetric encryption?

Question 2

See image

Accepted Answer

A. Exposure of public key

Question 3

See image

Accepted Answer

B. Interception of the shared key

Question 4

See image

Accepted Answer

C. Loss of data during transmission

Question 5

See image

Accepted Answer

D. Inability to decrypt the message

Question 6

See image

Accepted Answer

Answer:Interception of the shared key

Question 7

See image

Accepted Answer

Question:How does a digital signature verify the sender of a message?

Question 8

See image

Accepted Answer

A. By creating a digest of the message and encrypting it with the sender's private key

Question 9

See image

Accepted Answer

B. By using a checksum algorithm on the message

Question 10

See image

Accepted Answer

C. By encrypting the message with the recipient's public key

Question 11

See image

Accepted Answer

D. By appending the sender's public key to the message

Question 12

See image

Accepted Answer

Answer:By creating a digest of the message and encrypting it with the sender's private key

Question 13

See image

Accepted Answer

Question:How does asymmetric encryption overcome the vulnerability of key exchange in symmetric encryption?

Question 14

See image

Accepted Answer

A. By using a pair of mathematically related keys

Question 15

See image

Accepted Answer

B. By encrypting the message with the recipient's private key

Question 16

See image

Accepted Answer

C. By sharing the private key over the network

Question 17

See image

Accepted Answer

D. By using a public key for encryption

Question 18

See image

Accepted Answer

Answer:By using a pair of mathematically related keys

Question 19

See image

Accepted Answer

Question:What is the role of public and private keys in asymmetric encryption?

Question 20

See image

Accepted Answer

A. Public key encrypts the message, private key decrypts it

Question 21

See image

Accepted Answer

B. Both keys are used for encryption

Question 22

See image

Accepted Answer

C. Both keys are kept secret

Question 23

See image

Accepted Answer

D. Public key decrypts the message, private key encrypts it

Question 24

See image

Accepted Answer

Answer:Public key encrypts the message, private key decrypts it

Question 25

See image

Accepted Answer

Question:Who issues digital certificates to verify ownership of key pairs?

Question 26

See image

Accepted Answer

A. Public key servers

Question 27

See image

Accepted Answer

B. Internet service providers

Question 28

See image

Accepted Answer

C. Government agencies

Question 29

See image

Accepted Answer

D. Certificate authorities

Question 30

See image

Accepted Answer

Answer:Certificate authorities

Question 31

See image

Accepted Answer

Question:What is the main difference between symmetric and asymmetric encryption?

Question 32

See image

Accepted Answer

A. Asymmetric encryption requires a key exchange before data transmission.

Question 33

See image

Accepted Answer

B. Both parties share the same private key in symmetric encryption, while asymmetric encryption uses a pair of mathematically related keys.

Question 34

See image

Accepted Answer

C. Symmetric encryption uses a public key for encryption, while asymmetric encryption uses a private key.

Question 35

See image

Accepted Answer

D. Symmetric encryption is more secure than asymmetric encryption.

Question 36

See image

Accepted Answer

Answer:Both parties share the same private key in symmetric encryption, while asymmetric encryption uses a pair of mathematically related keys.

Question 37

See image

Accepted Answer

Question:What is the purpose of key exchange in symmetric encryption?

Question 38

See image

Accepted Answer

A. To verify the sender's identity

Question 39

See image

Accepted Answer

B. To ensure secure transmission of data

Question 40

See image

Accepted Answer

C. To create a digital signature

Question 41

See image

Accepted Answer

D. To encrypt the message

Question 42

See image

Accepted Answer

Answer:To ensure secure transmission of data

Question 43

See image

Accepted Answer

Question:What information does a digital certificate contain?

Question 44

See image

Accepted Answer

A. Owner's private key

Question 45

See image

Accepted Answer

B. Owner's name, public key, and certificate authority's digital signature

Question 46

See image

Accepted Answer

C. Recipient's public key

Question 47

See image

Accepted Answer

D. Expiry date of the message

Question 48

See image

Accepted Answer

Answer:Owner's name, public key, and certificate authority's digital signature

Related quizzes

Related quizzes