This 350-601 practice question tests your understanding of 350-601 exam topics. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
A storage administrator is setting up iSCSI connectivity between a server and a storage array. To enhance security, the administrator wants to authenticate the initiator and target during the login process. Which authentication method should be configured?
IPsec
Why wrong: IPsec can encrypt iSCSI traffic but is not typically used for authentication at login.
RADIUS
Why wrong: RADIUS is used for network access authentication, not typically for iSCSI.
CHAP
CHAP provides authentication during the iSCSI login process, supporting both one-way and mutual authentication.
Kerberos
Why wrong: Kerberos is not commonly used for iSCSI authentication.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
CHAP
CHAP is a standard authentication protocol for iSCSI that provides mutual authentication between initiator and target.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
IPsec
Why it's wrong here
IPsec can encrypt iSCSI traffic but is not typically used for authentication at login.
RADIUS
Why it's wrong here
RADIUS is used for network access authentication, not typically for iSCSI.
CHAP
Why this is correct
CHAP provides authentication during the iSCSI login process, supporting both one-way and mutual authentication.
Related concept
Authentication checks who the user is.
Kerberos
Why it's wrong here
Kerberos is not commonly used for iSCSI authentication.
Common exam traps
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
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.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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 Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 350-601 questions on access control and AAA configuration.
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FAQ
Authentication checks who the user is.
The correct answer is: CHAP — CHAP is a standard authentication protocol for iSCSI that provides mutual authentication between initiator and target.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 350-601 questions on access control and AAA configuration.
Authentication checks who the user is.
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Last reviewed: Jul 4, 2026
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