The answer is to use MAB for unknown devices, then perform posture assessment and redirect to a registration portal if needed. This is correct because MAB (MAC Authentication Bypass) allows employee-owned devices that cannot support 802.1X to gain initial network access, after which a posture check determines if the device is compliant; if not, it is redirected to a simple registration portal for guest network access, while corporate devices with valid certificates bypass this flow entirely. On the Cisco SCOR / CCNP Security Core 350-701 exam, this scenario tests your understanding of BYOD onboarding flows and the distinction between guest and corporate access policies—a common trap is choosing 802.1X for all devices, which fails for non-802.1X-capable guest devices. Remember the memory tip: "MAB first, then posture—guest gets a portal, corporate gets a pass."
350-701 Security Concepts Practice Question
This 350-701 practice question tests your understanding of security concepts. 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 company uses Cisco ISE for network access control. They want to allow employee-owned devices to access the guest network after a simple registration, while corporate devices get full access. Which ISE configuration best achieves this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use MAB for unknown devices, then perform posture assessment; redirect to registration portal if needed.
Option D is correct because MAB for unknown devices with posture check is a common BYOD flow. Option A forces 802.1X on all devices, which may not be supported on guest devices. Option B uses PSK which is less secure. Option C is for corporate devices.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use 802.1X with PEAP and machine certificates for all devices.
Use MAB for unknown devices, then perform posture assessment; redirect to registration portal if needed.
Why this is correct
MAB captures MAC, posture checks compliance, registration portal allows onboarding.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
✗
Use MAB only for corporate devices and deny all others.
Why it's wrong here
Does not allow guest access.
✗
Configure a single PSK for the guest SSID.
Why it's wrong here
PSK is shared and does not provide per-device control.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 350-701 ACL questions on filtering logic and placement.
Security Concepts — This question tests Security Concepts — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Use MAB for unknown devices, then perform posture assessment; redirect to registration portal if needed. — Option D is correct because MAB for unknown devices with posture check is a common BYOD flow. Option A forces 802.1X on all devices, which may not be supported on guest devices. Option B uses PSK which is less secure. Option C is for corporate devices.
What should I do if I get this 350-701 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 350-701 ACL questions on filtering logic and placement.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Question Discussion
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