Which of the following is an effective defense against prompt injection attacks?

Using input sanitization and output filtering to detect and block malicious prompts

Deploying the AI model on more powerful hardware

Encrypting the AI model's training data

Increasing the AI model's learning rate during training

A developer wants to reduce the risk of prompt injection in a chatbot that processes user messages. Which approach is most directly aligned with this goal?

Implementing strict input validation and using a separate, trusted channel for system instructions

Adding more training data to the model

Increasing the chatbot's response length limit

CompTIAPenTest+

Domain 4Objective 6

AI Attacks PT0-003 Practice Questions (Page 5)

Part of the Attacks and exploits domain, which accounts for 35% of the PT0-003 exam. CompTIA does not publish an official question count, but from its 165-minute exam (~65–110 total, ~23–39 in this domain), expect 4–7 from this objective — we provide 23 practice questions to prepare you well beyond it. (estimate)

23questions here

5free pages

5concepts

35%of the exam

Questions 21–23

21foundation · easy
An attacker gains access to a machine-learning model's configuration and modifies its decision thresholds, causing the model to approve fraudulent transactions. This is an example of:
Select an answer first
22foundation · easy
Which of the following is an effective defense against prompt injection attacks?
Select an answer first
23foundation · easy
A developer wants to reduce the risk of prompt injection in a chatbot that processes user messages. Which approach is most directly aligned with this goal?
Select an answer first

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AI Attacks PT0-003 Practice Questions (Page 5)

Questions 21–23

An attacker gains access to a machine-learning model's configuration and modifies its decision thresholds, causing the model to approve fraudulent transactions. This is an example of:

Which of the following is an effective defense against prompt injection attacks?

A developer wants to reduce the risk of prompt injection in a chatbot that processes user messages. Which approach is most directly aligned with this goal?

Keep studying — Attacks and exploits