- A
Least privilege: A user is granted only the permissions required for their job duties.
Least privilege ensures users have minimal access needed to perform tasks.
- B
Separation of duties: A user is granted only the permissions required for their job duties.
Why wrong: Incorrect — this describes least privilege, not separation of duties.
- C
Need to know: An employee can access sensitive data only if it is directly relevant to their current project.
Need to know restricts data access to what is necessary for job functions.
- D
Accountability: All system actions are recorded with user identification to trace activities.
Accountability ties actions to individuals via logging and auditing.
- E
Defense in depth: A security system that automatically fails open to allow egress.
Why wrong: Incorrect — this describes fail safe, not defense in depth.
SY0-701 General Security Concepts Practice Question
This SY0-701 practice question tests your understanding of general security concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
Match each principle to the workplace scenario.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Least privilege: A user is granted only the permissions required for their job duties.
Least privilege restricts access to necessary functions; separation of duties prevents fraud; defense in depth layers security; need to know limits data access; accountability ties actions to individuals; fail safe maintains security during failures.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Least privilege: A user is granted only the permissions required for their job duties.
Why this is correct
Least privilege ensures users have minimal access needed to perform tasks.
Related concept
Authentication checks who the user is.
- ✗
Separation of duties: A user is granted only the permissions required for their job duties.
Why it's wrong here
Incorrect — this describes least privilege, not separation of duties.
- ✓
Need to know: An employee can access sensitive data only if it is directly relevant to their current project.
Why this is correct
Need to know restricts data access to what is necessary for job functions.
Related concept
Authentication checks who the user is.
- ✓
Accountability: All system actions are recorded with user identification to trace activities.
Why this is correct
Accountability ties actions to individuals via logging and auditing.
Related concept
Authentication checks who the user is.
- ✗
Defense in depth: A security system that automatically fails open to allow egress.
Why it's wrong here
Incorrect — this describes fail safe, not defense in depth.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SY0-701 questions on access control and AAA configuration.
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FAQ
Questions learners often ask
What does this SY0-701 question test?
General Security Concepts — This question tests General Security Concepts — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Least privilege: A user is granted only the permissions required for their job duties. — Least privilege restricts access to necessary functions; separation of duties prevents fraud; defense in depth layers security; need to know limits data access; accountability ties actions to individuals; fail safe maintains security during failures.
What should I do if I get this SY0-701 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SY0-701 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: May 2, 2026
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