Security Protocols

Question 1

A security solution that translates domain names into IP addresses

Answer 1

DNSSEC

Question 2

Which version(s) of the SNMP protocol offer(s) authentication based on community strings sent in an unencrypted form?

Answer 2

SNMP V1 and V2

Question 3

What protocol enables remote access to another computer on the network via web browser?

Answer 3

HTTPS

Question 4

What port is RDP

Answer 4

3389

Question 5

Which part of the IPsec protocol suite provides authentication and integrity?

Answer 5

AH - authentication header

Question 6

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

Answer 6

ESP - encapsulating security payload

Question 7

Which of the IPsec modes provides entire packet encryption?

Answer 7

Tunnel Mode

Question 8

Does POP3S use SSL or TLS? What port?

Answer 8

TLS, 995

Question 9

What port is IMAPS?

Answer 9

993

Question 10

Which of the following is a secure implementation of a protocol used for synchronizing clocks over a computer network?

Answer 10

NTPsec

Question 11

A security feature of a network switch that provides countermeasures against rogue DHCP servers is called:

Answer 11

DHCP Snooping

Question 12

A network protocol for secure file transfer over Secure Shell (SSH) is called:

Answer 12

SFTP

Question 13

What is S/MIME

Answer 13

Secure Multipurpose Internet Mail Extensions - standard that provides cryptographic security for electronic messaging

Question 14

What is a downgrade attack?

Answer 14

A common way to attack TLS where a protocol is tricked into using a downgraded, less secure, version of itself

Question 15

A network protocol providing an alternative solution to the manual allocation of IP addresses is called:

Answer 15

DHCP

Question 16

What are the characteristic features of the secure version of IMAP?

Answer 16

TLS, SSL, TCP port 993

Question 17

IMAP Secure uses TLS or SSL?

Answer 17

Both

Question 18

What are the characteristic features of POP3 Secure?

Answer 18

TLS, SSL, TCP port 995

Question 19

Which of the following refers to IMAP?

1. Offers improved functionality in comparison to POP3 ( Your answer)
2. Serves the same function as POP3 ( Your answer)
3. Enables sending email messages from client devices
4. Offers less functions than POP3
5. Enables email exchange between mail servers

Answer 19

1 and 2

Question 20

Is POP3 used for email sending or retrieval?

Answer 20

Email retrieval

Question 21

An IPsec mode providing encryption only for the payload (the data part of the packet) is known as:

Answer 21

Transport Mode

Question 22

The lack of entropy in the process of generating cryptographic keys improves the security of cryptographic algorithms. True or False?

Answer 22

False

Question 23

What does SFTP use ?

Answer 23

SSH