CISSP- Domain 1 Exam 2026 Questions
and Answers
3 Elements in CIA Triad - Correct answer-Confidentiality, Integrity, Availability
Threat Definition - Correct answer-a potential harmful incident
What principles does Availability depend on? - Correct answer-Integrity and
Confidentiality
What principle is typically viewed as the primary goals and objectives of a security
infrastructure? - Correct answer-CIA
What is confidentiality? - Correct answer-A concept of measures used to ensure
protection of data, objects, and resources.
What is the goal of confidentiality? - Correct answer-Prevent or minimize
unauthorized access to data.
What is Integrity? - Correct answer-Concept of protecting the reliability and
correctness of data
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,What does Integrity prevent? - Correct answer-Prevents unauthorized alterations of
data.
What does Integrity ensure? - Correct answer-Ensures that data remains correct,
unaltered, and preserved.
Integrity is dependent on what? - Correct answer-Confidentiality
What are other concepts, aspects, and conditions of integrity? - Correct answer-1.
Accuracy= Being correct
2. Truthfulness = Being a true reflection of reality
3. Authenticity = Being authentic and genuine.
4. Validity= being factually and logically sound
5. Non-repudiation = Not being able to deny having performed an action or activity
or being able to verify the origin of a communication or event
6. Accountability= Being responsible or obligated for actions and results
7. Responsibility = Being in charge or having control over someone or something
8. Completeness = Having all needed components or parts
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, 9. Comprehensiveness = Being complete in scope; full inclusion of all needed
elements
What is Availability (Aside from the 3rd principle of CIA Triad)? - Correct answer-
Means that Authorized subjects are granted timely and uninterrupted time to
objects.
What are some ways non-repudiation can be established? - Correct answer-
1.Digital Certificates
2. Session Identifiers
3.Transaction Logs
4. Access Controls
What are other concepts, conditions, and aspects of availability? - Correct answer-
1. Usability= Easy to use, learn, understand, and controlled by the subject
2. Accessibility= The assurance that the widest range of subjects can interact with a
resource regardless of their capabilities or limitations
3. Timeliness= Being prompt on time, within a reasonable timeframe, or providing
a low latency response
Confidentially Associations - Correct answer--Data at rest (AES256)
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and Answers
3 Elements in CIA Triad - Correct answer-Confidentiality, Integrity, Availability
Threat Definition - Correct answer-a potential harmful incident
What principles does Availability depend on? - Correct answer-Integrity and
Confidentiality
What principle is typically viewed as the primary goals and objectives of a security
infrastructure? - Correct answer-CIA
What is confidentiality? - Correct answer-A concept of measures used to ensure
protection of data, objects, and resources.
What is the goal of confidentiality? - Correct answer-Prevent or minimize
unauthorized access to data.
What is Integrity? - Correct answer-Concept of protecting the reliability and
correctness of data
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,What does Integrity prevent? - Correct answer-Prevents unauthorized alterations of
data.
What does Integrity ensure? - Correct answer-Ensures that data remains correct,
unaltered, and preserved.
Integrity is dependent on what? - Correct answer-Confidentiality
What are other concepts, aspects, and conditions of integrity? - Correct answer-1.
Accuracy= Being correct
2. Truthfulness = Being a true reflection of reality
3. Authenticity = Being authentic and genuine.
4. Validity= being factually and logically sound
5. Non-repudiation = Not being able to deny having performed an action or activity
or being able to verify the origin of a communication or event
6. Accountability= Being responsible or obligated for actions and results
7. Responsibility = Being in charge or having control over someone or something
8. Completeness = Having all needed components or parts
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, 9. Comprehensiveness = Being complete in scope; full inclusion of all needed
elements
What is Availability (Aside from the 3rd principle of CIA Triad)? - Correct answer-
Means that Authorized subjects are granted timely and uninterrupted time to
objects.
What are some ways non-repudiation can be established? - Correct answer-
1.Digital Certificates
2. Session Identifiers
3.Transaction Logs
4. Access Controls
What are other concepts, conditions, and aspects of availability? - Correct answer-
1. Usability= Easy to use, learn, understand, and controlled by the subject
2. Accessibility= The assurance that the widest range of subjects can interact with a
resource regardless of their capabilities or limitations
3. Timeliness= Being prompt on time, within a reasonable timeframe, or providing
a low latency response
Confidentially Associations - Correct answer--Data at rest (AES256)
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