Certified Internet of Things Security Practitioner

Here you have the best CertNexus ITS-110 practice exam questions

You have 100 total questions across 20 pages (5 per page)
These questions were last updated on February 7, 2026
This site is not affiliated with or endorsed by CertNexus.

Question 1 of 100

Which of the following attacks utilizes Media Access Control (MAC) address spoofing?

A.

Network Address Translation (NAT)

B.

Man-in-the-middle (MITM)

C.

Network device fuzzing

D.

Unsecured network ports

Suggested Answer: B

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Question 2 of 100

In order to successfully perform a man-in-the-middle (MITM) attack against a secure website, which of the following could be true?

A.

Client to server traffic must use Hypertext Transmission Protocol (HTTP)

B.

The server must be vulnerable to malformed Uniform Resource Locator (URL) injection

C.

The server must be using a deprecated version of Transport Layer Security (TLS)

D.

The web server's X.509 certificate must be compromised

Suggested Answer: C

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Question 3 of 100

An IoT security administrator wishes to mitigate the risk of falling victim to Distributed Denial of Service (DDoS) attacks. Which of the following mitigation strategies should the security administrator implement? (Choose two.)

A.

Block all inbound packets with an internal source IP address

B.

Block all inbound packets originating from service ports

C.

Enable unused Transmission Control Protocol (TCP) service ports in order to create a honeypot

D.

Block the use of Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) through his perimeter firewall

E.

Require the use of X.509 digital certificates for all incoming requests

Suggested Answer: D, E

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Question 4 of 100

An IoT security administrator is concerned about an external attacker using the internal device management local area network (LAN) to compromise his IoT devices. Which of the following countermeasures should the security administrator implement? (Choose three.)

A.

Require the use of Password Authentication Protocol (PAP)

B.

Create a separate management virtual LAN (VLAN)

C.

Ensure that all IoT management servers are running antivirus software

D.

Implement 802.1X for authentication

E.

Ensure that the Time To Live (TTL) flag for outgoing packets is set to 1

F.

Only allow outbound traffic from the management LAN

G.

Ensure that all administrators access the management server at specific times

Suggested Answer: B, D, G

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Question 5 of 100

Which of the following attacks is a reflected Distributed Denial of Service (DDoS) attack?

A.

Teardrop

B.

Ping of Death

C.

SYN flood

D.

Smurf

Suggested Answer: C

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About the CertNexus ITS-110 Certification Exam

About the Exam

The CertNexus ITS-110 (Certified Internet of Things Security Practitioner) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 100 practice questions across 20 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our ITS-110 questions are regularly updated to reflect the latest exam objectives.