This 200-301 practice question tests your understanding of network services and security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: the principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks.. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which security concept gives a user only the permissions required to perform assigned tasks and nothing more?
Defense in depth
Why wrong: Defense in depth uses multiple layers of controls, but it is not specifically about minimizing each user’s permissions.
Least privilege
Correct. Users receive only the access they need.
Segmentation
Why wrong: Segmentation separates network areas but does not define user privilege scope.
Availability
Why wrong: Availability is a CIA triad concept, not the privilege model described.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Least privilege
Least privilege is the security principle that grants users only the specific permissions necessary to perform their job functions, minimizing potential damage from errors or malicious actions. Defense in depth is a layered security strategy using multiple controls, not a principle of limiting permissions. Segmentation divides a network into isolated segments to contain threats, but does not directly govern individual user permissions. Availability ensures systems and data are accessible when needed, which is unrelated to restricting access rights.
Key principle: The principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Defense in depth
Why it's wrong here
Defense in depth uses multiple layers of controls, but it is not specifically about minimizing each user’s permissions.
When this WOULD be correct
If the exam question asked about a comprehensive security strategy that includes various protective measures, such as firewalls, intrusion detection systems, and access controls, then 'Defense in depth' would be the correct answer, as it emphasizes multiple layers of security.
Least privilege
Why this is correct
Correct. Users receive only the access they need.
Related concept
The principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks.
Segmentation
Why it's wrong here
Segmentation separates network areas but does not define user privilege scope.
When this WOULD be correct
If the question asked about a security strategy that involves isolating different parts of a network to limit access and reduce risk, then segmentation would be the correct answer. For instance, a question might focus on methods to prevent lateral movement in a network breach.
Availability
Why it's wrong here
Availability is a CIA triad concept, not the privilege model described.
When this WOULD be correct
If the question were to ask about the primary goal of a security framework designed to ensure that systems remain operational and accessible to authorized users, 'Availability' would be the correct answer. For example, a question might ask about the key objectives of the CIA triad, where availability is one of the core principles.
Option-by-option analysis
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The 200-301 exam frequently reuses these exact scenarios with slightly different constraints.
Why this is correct
Correct. Users receive only the access they need.
Why this is wrong here
Defense in depth refers to a layered security approach that employs multiple security measures to protect information. It does not specifically address the principle of granting users only the necessary permissions for their tasks.
★ When this WOULD be the correct answer
If the exam question asked about a comprehensive security strategy that includes various protective measures, such as firewalls, intrusion detection systems, and access controls, then 'Defense in depth' would be the correct answer, as it emphasizes multiple layers of security.
Why candidates choose this
Candidates may choose this option because they recognize that a robust security posture involves multiple strategies, leading them to mistakenly associate defense in depth with the principle of least privilege.
Why this is wrong here
Segmentation refers to dividing a network into segments to enhance security and manageability, rather than limiting user permissions. It does not directly address the concept of granting only necessary permissions to users.
★ When this WOULD be the correct answer
If the question asked about a security strategy that involves isolating different parts of a network to limit access and reduce risk, then segmentation would be the correct answer. For instance, a question might focus on methods to prevent lateral movement in a network breach.
Why candidates choose this
Candidates may confuse segmentation with the principle of least privilege, as both aim to enhance security; however, segmentation focuses on network structure rather than user permissions, leading to misconceptions.
Why this is wrong here
Availability refers to ensuring that systems and data are accessible when needed, which does not relate to limiting user permissions for task completion. This option does not address the principle of restricting access based on necessity.
★ When this WOULD be the correct answer
If the question were to ask about the primary goal of a security framework designed to ensure that systems remain operational and accessible to authorized users, 'Availability' would be the correct answer. For example, a question might ask about the key objectives of the CIA triad, where availability is one of the core principles.
Why candidates choose this
Candidates may confuse availability with access control concepts due to their overlapping roles in security. The term 'availability' might seem relevant when considering user permissions, leading to an incorrect assumption that it relates to limiting access.
Analysis generated from the official 200-301blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Don't confuse access control methods like RBAC, DAC, or MAC with the principle of least privilege, which specifically minimizes permissions.
Detailed technical explanation
The principle of least privilege is a fundamental security concept that restricts users’ access rights to the minimum necessary to perform their assigned tasks. In Cisco networking and security contexts, this means configuring user accounts, device access, and network permissions so that users cannot access resources or execute commands beyond their job requirements. This reduces the attack surface by limiting potential damage from accidental or malicious misuse. Implementing least privilege involves carefully defining roles and permissions on network devices, such as routers and switches, using features like role-based access control (RBAC) and access control lists (ACLs). Network administrators assign only the essential commands and resource access to each user or group, preventing unauthorized configuration changes or data exposure. This approach aligns with Cisco’s security best practices and is critical for compliance and risk management. A common exam trap is confusing least privilege with broader security concepts like defense in depth or segmentation. While defense in depth uses multiple security layers and segmentation isolates network zones, neither specifically limits user permissions to the minimum required. Understanding least privilege’s focus on user access control helps avoid this confusion and ensures correct application in Cisco environments, where precise permission management is vital for secure network operations.
Key takeaway
The principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks.
Real-world example
A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
What to study next
Review the principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks., then practise related 200-301 questions on the same topic to reinforce the concept.
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FAQ
Network Services and Security — This question tests Network Services and Security — The principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks..
The correct answer is: Least privilege — Least privilege is the security principle that grants users only the specific permissions necessary to perform their job functions, minimizing potential damage from errors or malicious actions. Defense in depth is a layered security strategy using multiple controls, not a principle of limiting permissions. Segmentation divides a network into isolated segments to contain threats, but does not directly govern individual user permissions. Availability ensures systems and data are accessible when needed, which is unrelated to restricting access rights.
Review the principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks., then practise related 200-301 questions on the same topic to reinforce the concept.
The principle of least privilege restricts user permissions to only those necessary for assigned tasks, reducing potential security risks.
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Last reviewed: May 17, 2026
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