Test 3

Question 1

The MIME specification extends the email message format beyond plain text, enabling the transfer of graphics, audio, and video files over the Internet mail system. S/MIME is an enhanced version of the MIME protocol that enables email security features by providing encryption, authentication, message integrity, and other related services.

Answer 1

True

Question 2

What is the name of a network protocol that enables secure file transfer over SSH?

Answer 2

SFTP

Question 3

SFTP is an extension of the FTP protocol that adds support for SSL/TLS encryption.

Answer 3

False

Question 4

A type of cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers is known as:

Answer 4

SSH

Question 5

Which of the answers listed below refers to a suite of protocols and technologies providing encryption, authentication, and data integrity for network traffic?

Answer 5

IPsec

Question 6

Which part of IPsec provides authentication, integrity, and confidentiality?

Answer 6

ESP

Question 7

A system that uses public network (such as the Internet) as a means for creating private encrypted connections between remote locations is referred to as:

Answer 7

VPN

Question 8

Which protocol enables secure, real-time delivery of audio and video over an IP network?

Answer 8

SRTP

Question 9

An encryption protocol primarily used in Wi-Fi networks implementing the WPA2 security standard is called:

Answer 9

CCMP

Question 10

A security protocol designed to improve the security of existing WEP implementations is known as:

Answer 10

TKIP

Question 11

Which of the following answers refer(s) to deprecated/insecure encryption protocols and cryptographic hash functions? (Select all that apply)

Answer 11

SHA-1 ( Missed)
SSL ( Missed)
RC4
MD5
DES

Question 12

Which cryptographic protocol is designed to provide secure communications over a computer network and is the successor to SSL?

Answer 12

TLS

Question 13

Examples of techniques used for encrypting information include symmetric encryption (also called public-key encryption) and asymmetric encryption (also called secret-key encryption, or session-key encryption).

Answer 13

False

Question 14

In asymmetric encryption, any message encrypted with the use of a public key can only be decrypted by applying the same algorithm and a matching private key (and vice versa).

Answer 14

True

Question 15

Which of the algorithms listed below are not symmetric ciphers? (Select 3 answers)

Answer 15

DHE ( Missed)
ECC
RSA

Question 16

Which of the following algorithms do(es) not fall into the category of asymmetric encryption? (Select all that apply)

Answer 16

AES ( Missed)
DES
IDEA ( Missed)
RC4

Question 17

The term “KEK” refers to a type of cryptographic key often used in key management systems to add an additional layer of security when encrypting and decrypting other cryptographic keys.

Answer 17

True

Question 18

Which of the answers listed below refers to a shared secret authentication method used in WPA, WPA2, and EAP?

Answer 18

PSK

Question 19

Which of the following answers refers to a protocol used to set up secure connections and exchange of cryptographic keys in IPsec VPNs?

Answer 19

IKE

Question 20

Which of the answers listed below refers to a key exchange protocol that generates temporary keys for each session, providing forward secrecy to protect past and future communications?

Answer 20

DHE

Question 21

Which of the following answers refers to a cryptographic key exchange protocol that leverages ECC for enhanced security and efficiency?

Answer 21

ECDHE

Question 22

Which of the answers listed below refers to a solution designed to strengthen the security of session keys?

Answer 22

PFS

Question 23

Which of the following answers refers to a public-key cryptosystem that leverages the mathematical properties of large prime numbers to facilitate secure key exchange, create digital signatures, and encrypt data?

Answer 23

RSA

Question 24

Which cryptographic solution would be best suited for low-power devices, such as IoT devices, embedded systems, and mobile devices?

Answer 24

ECC

Question 25

Which of the cryptographic algorithms listed below is the least vulnerable to attacks?

Answer 25

AES