350-601 Security Practice Question
Which TWO statements about Cisco TrustSec in a data center environment are true? (Choose two.)
⚠ Common exam trap
Cisco often tests the misconception that TrustSec requires MACsec or IP-based tagging, when in fact SGTs are identity-based and MACsec is optional; candidates may also incorrectly assume TrustSec is Layer 3 only, ignoring its Layer 2 enforcement capabilities.
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
✓
Cisco ISE can dynamically assign SGTs to endpoints during authentication.
Cisco ISE can dynamically assign Security Group Tags (SGTs) to endpoints during authentication via 802.1X or MAB, enabling role-based access control. This is a core TrustSec feature where the SGT is propagated to the network infrastructure to enforce policies.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TrustSec requires MACsec encryption on all links to function.
Why it's wrong here
MACsec is optional; TrustSec can work without encryption.
- ✓
Cisco ISE can dynamically assign SGTs to endpoints during authentication.
Why this is correct
ISE assigns SGTs as part of policy after authentication.
- ✓
TrustSec uses Security Group Tags (SGTs) to enforce access control policies.
Why this is correct
SGTs are the fundamental tag used in TrustSec.
- ✗
SGTs are assigned based on the source IP address of the traffic.
Why it's wrong here
SGTs are assigned based on identity, not IP.
- ✗
TrustSec policies are enforced at Layer 3 only.
Why it's wrong here
TrustSec operates at Layer 2 with SGTs in the Ethernet frame.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 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 350-601 exam.