Question 405 of 978
350-701 Practice Question: Secure Network Access, Visibility and Enforcement
A security engineer is configuring Cisco ISE to enforce SGT-based access control. The engineer creates an SGACL on the switch that permits traffic from SGT 10 to SGT 20. However, traffic from SGT 10 to SGT 20 is still being dropped. The engineer verifies that the SGTs are correctly assigned. What is a possible reason for the drop?
⚠ Common exam trap
Cisco often tests the concept that SGACLs are processed in priority order (lowest sequence number first) and that a higher-priority deny rule can silently override a lower-priority permit rule, leading candidates to incorrectly assume the issue is with SGT assignment or protocol configuration.
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
✓
There is a deny SGACL with a higher priority that matches the traffic
Cisco ISE enforces SGT-based access control using Security Group ACLs (SGACLs) that are evaluated in priority order. Even if a permit SGACL exists for SGT 10 to SGT 20, a deny SGACL with a higher priority (lower sequence number) that matches the same traffic will take precedence and cause the traffic to be dropped. The engineer must check the full SGACL list and their sequence numbers on the switch to identify conflicting rules.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SXP is not configured
Why it's wrong here
SXP distributes SGTs but does not affect SGACL enforcement.
- ✗
The CTRL protocol is not enabled
Why it's wrong here
CTRL is used for control plane communication, not for SGACL evaluation.
- ✗
The PAC on the switch is expired
Why it's wrong here
PAC is used for 802.1X authentication, not TrustSec.
- ✓
There is a deny SGACL with a higher priority that matches the traffic
Why this is correct
SGACLs are evaluated in order; a deny rule earlier in the list would override the permit rule.
Visual reference
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Last reviewed: Jun 11, 2026
This 350-701 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-701 exam.
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