Free ISA-IEC Cybersecurity-Fundamentals-Specialist Practice Exam Questions and Answers 2026

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Total 90 Questions | Updated On: Apr 02, 2026

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Question 1

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

A : Datagram Transport Layer Security (DTLS)

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

C : Secure Telnet

D : Secure Sockets Layer (SSL)

Answer: D

Question 2

Which is the BEST deployment system for malicious code protection?

A : Network segmentation

B : IACS protocol converters

C : Application whitelisting (AWL)

D : Zones and conduits

Answer: C

Question 3

Which type of cryptographic algorithms requires more than one key?

A : Block ciphers

B : Stream ciphers

C : Symmetric (private) key

D : Asymmetric (public) key

Answer: D

Question 4

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

A : RS232

B : RS235

C : RS432

D : RS485

Answer: D

Question 5

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

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

Page: 1 / 18

Total 90 Questions | Updated On: Apr 02, 2026

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