This 350-601 practice question tests your understanding of security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which TWO statements about Cisco TrustSec in a data center are true?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SXP (SGT Exchange Protocol) is used to propagate SGTs across network devices that do not support inline tagging.
Option C is correct because SXP (SGT Exchange Protocol) is specifically designed to propagate Security Group Tag (SGT) information between network devices that do not support hardware-based inline tagging (e.g., older switches or routers). SXP allows these devices to participate in TrustSec policy enforcement by exchanging SGT-to-IP bindings over TCP, enabling consistent access control across heterogeneous environments.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 can replace 802.1X authentication in the data center.
SGTs are 32-bit values assigned to users or devices.
Why it's wrong here
SGTs are 16 bits (0-65535).
✓
SXP (SGT Exchange Protocol) is used to propagate SGTs across network devices that do not support inline tagging.
Why this is correct
SXP allows SGT propagation without hardware support.
Related concept
Read the scenario before looking for a memorised answer.
✗
TrustSec is primarily designed for wireless networks.
Why it's wrong here
TrustSec is used in wired and wireless, but not primarily wireless.
✓
TrustSec uses Security Group Tags (SGTs) to enforce access control policies.
Why this is correct
SGTs are the basis for TrustSec policy enforcement.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between SGT size (16-bit vs 32-bit) and the role of SXP as a propagation mechanism for non-inline devices, leading candidates to confuse SGT values with other metadata or assume TrustSec replaces authentication protocols like 802.1X.
Detailed technical explanation
How to think about this question
SXP operates by establishing a TCP connection (default port 64999) between an SXP speaker (e.g., a switch with inline tagging) and an SXP listener (e.g., a router without inline support). The speaker sends SGT-to-IP mappings, which the listener uses to classify traffic and enforce policies via Security Group ACLs (SGACLs). In real-world scenarios, SXP is critical for hybrid networks where legacy devices must coexist with TrustSec-capable hardware, ensuring end-to-end policy consistency without requiring hardware upgrades.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Security — This question tests Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: SXP (SGT Exchange Protocol) is used to propagate SGTs across network devices that do not support inline tagging. — Option C is correct because SXP (SGT Exchange Protocol) is specifically designed to propagate Security Group Tag (SGT) information between network devices that do not support hardware-based inline tagging (e.g., older switches or routers). SXP allows these devices to participate in TrustSec policy enforcement by exchanging SGT-to-IP bindings over TCP, enabling consistent access control across heterogeneous environments.
What should I do if I get this 350-601 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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