Question 1

Which is a physical layer standard for serial communications between two or more devices?

Options :

A : RS232

B : RS235

C : RS432

D : RS485

Answer: D

Question 2

In a defense-in-depth strategy, what is the purpose of role-based access control?

Options :

A : Ensures that users can access systems from remote locations

B : Ensures that users can access only certain devices on the network

C : Ensures that users can access only the functions they need for their job

D : Ensures that users correctly manage their username and password

Answer: C

Question 3

Which is the BEST deployment system for malicious code protection?

Options :

A : Network segmentation

B : IACS protocol converters

C : Application whitelisting (AWL)

D : Zones and conduits

Answer: C

Question 4

Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?

Options :

A : Level 4 systems must use the DMZ to communicate with Level 3 and below.

B : Level 0 can only interact with Level 1 through the firewall.

C : Internet access through the firewall is allowed.

D : Email is prevented, thereby mitigating the risk of phishing attempts.

Answer: A

Question 5

Which is a commonly used protocol for managing secure data transmission on the Internet?

Options :

A : Datagram Transport Layer Security (DTLS)

B : Microsoft Point-to-Point Encryption (MPPE)

C : Secure Telnet

D : Secure Sockets Layer (SSL)

Answer: D