hardMultiple Choice
CCNP Practice Question: Runs the following command on switch SW4: SW4#…
A network engineer runs the following command on switch SW4:
SW4# show cts environment-data
CTS Environment Data:
Device ID: SW4.cisco.com Device Name: SW4 CTS Capabilities: SGT, SXP, CTSD, CTSA SGT: 100 SXP Node: Enabled SXP Connection: 10.1.1.1:64999
Based on this output, what can be concluded?
⚠ Common exam trap
Cisco often tests the ability to read the exact values in the command output, so candidates may misread 'SGT: 100' as '10' or confuse the SXP connection line with an authentication method like 802.1X.
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
✓
The switch has an SXP connection to a peer at 10.1.1.1.
The output shows 'SXP Connection: 10.1.1.1:64999', which directly indicates that the switch has an active SXP (Security Exchange Protocol) connection to a peer at IP address 10.1.1.1. SXP is used to propagate Security Group Tags (SGTs) between Cisco TrustSec devices, and the presence of this line confirms the connection is established.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The switch is using 802.1X for authentication.
Why it's wrong here
802.1X is a port-based authentication method relying on EAP over LAN (EAPoL) and a RADIUS server; the output instead shows SXP (SGT Exchange Protocol) information, specifically an SXP connection to 10.1.1.1. There is no mention of authenticator, supplicant, RADIUS, or authentication state, so this answer incorrectly conflates TrustSec SXP with IEEE 802.1X.
- ✓
The switch has an SXP connection to a peer at 10.1.1.1.
Why this is correct
The output explicitly states 'SXP Node enabled' and lists an SXP connection to 10.1.1.1:64999, which is the well-known TCP port for SXP. This indicates the switch actively exchanges SGT-to-IP bindings with that peer, using SXP to propagate Cisco TrustSec security group tags to devices that don't support inline tagging.
- ✗
The switch's SGT is 10.
Why it's wrong here
The SGT shown in the output is 100, not 10; the 'SGT: 100' (or 'Security Group Tag: 100') identifies the security group to which the traffic or interface belongs. SGTs are 16-bit values (0-65535), so misreading the decimal digit as 10 is a common error but factually incorrect here.
- ✗
The switch is not capable of SGT assignment.
Why it's wrong here
The switch's CTS capabilities include SGT, as evidenced by 'CTS Capabilities: SGT' in the output; therefore it is fully capable of assigning/processing SGTs. Being SXP-enabled further proves SGT capability, because SXP is specifically used to transmit SGT bindings between peers.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.