hardMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on switch SW4: SW4#…
A network engineer runs the following command on switch SW4:
SW4# show monitor session 6
Session 6 --------- Type : Local Session Source Ports : Both : Gi0/8, Gi0/9 Destination Ports : Gi0/10
Encapsulation : Native
Ingress : Enabled
Based on this output, which statement is correct?
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 SPAN session is configured correctly and will forward traffic received on Gi0/10 into the network.
This is a local SPAN session with source ports Gi0/8 and Gi0/9, and destination port Gi0/10. The destination port has ingress enabled, which means traffic received on Gi0/10 will be processed and forwarded by the switch. This is unusual because SPAN destination ports typically have ingress disabled to prevent loops and forwarding of mirrored traffic. This configuration can cause network issues.
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 SPAN session is configured correctly and will forward traffic received on Gi0/10 into the network.
Why this is correct
Ingress enabled on the destination port allows traffic received on that port to be forwarded, which is atypical and can cause issues.
- ✗
The SPAN session is misconfigured because source ports cannot be monitored in both directions.
Why it's wrong here
Both directions are valid for SPAN source ports.
- ✗
The SPAN session is using RSPAN because the destination port has ingress enabled.
Why it's wrong here
RSPAN uses a VLAN as destination, not a port. Ingress enabled is unrelated to RSPAN.
- ✗
The SPAN session is disabled because the destination port has ingress enabled.
Why it's wrong here
The session is still active; ingress enabled does not disable the session.
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Same concept, more angles
4 more ways this is tested on 300-410
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A network engineer runs the following command to troubleshoot a SPAN issue: R1# show monitor session 1 detail Session 1 --------- Type : Local Session Source Ports : Both : Gi0/0 Destination Ports : Gi0/1 Encapsulation : Native Ingress : Disabled What does this output indicate?
medium- ✓ A.The session is correctly configured to send traffic from Gi0/0 to Gi0/1.
- B.The session is misconfigured because the destination port should have ingress enabled.
- C.The session is misconfigured because the source port must be a VLAN.
- D.The session is misconfigured because encapsulation must be set to 'replicate'.
Why A: The output shows a local SPAN session with source port Gi0/0 (both directions) and destination port Gi0/1. The destination port is configured with native encapsulation and no ingress traffic is allowed.
Variation 2. A network engineer runs the following command to troubleshoot a SPAN issue: R1# debug monitor session 1 *Mar 1 00:00:01.123: MONITOR: Session 1: Packet captured on Gi0/0, forwarded to Gi0/1 *Mar 1 00:00:02.456: MONITOR: Session 1: Packet captured on Gi0/0, forwarded to Gi0/1 What does this output indicate?
medium- ✓ A.The SPAN session is correctly forwarding packets from Gi0/0 to Gi0/1.
- B.The SPAN session is misconfigured because packets should not be forwarded.
- C.The SPAN session is misconfigured because the debug output shows errors.
- D.The SPAN session is misconfigured because the destination port is not specified.
Why A: The debug output shows that packets captured on source port Gi0/0 are being forwarded to destination port Gi0/1 for session 1. This indicates that the SPAN session is operational.
Variation 3. A network engineer runs the following command on switch SW5: SW5# show monitor session 7 Session 7 --------- Type : Local Session Source Ports : Both : Gi0/11 Destination Ports : Gi0/12 Encapsulation : Replicate Ingress : Disabled Based on this output, which statement is correct?
medium- ✓ A.The SPAN session will replicate the original VLAN tag on the mirrored traffic sent to Gi0/12.
- B.The SPAN session will strip the VLAN tag from the mirrored traffic.
- C.The SPAN session is using RSPAN because the encapsulation is set to Replicate.
- D.The SPAN session is misconfigured because encapsulation Replicate is not supported.
Why A: This is a local SPAN session with source port Gi0/11 and destination port Gi0/12. The encapsulation is set to 'Replicate', which means the mirrored traffic retains its original VLAN tag. This is typical when the destination port is a trunk port and the analyzer expects tagged traffic.
Variation 4. A network engineer runs the following command on switch SW1: SW1# show monitor session 1 Session 1 --------- Type : Local Session Source Ports : Both : Gi0/1, Gi0/2 Destination Ports : Gi0/3 Encapsulation : Native Ingress : Disabled Based on this output, which statement is correct?
medium- ✓ A.The SPAN session is monitoring traffic on Gi0/1 and Gi0/2 and sending it to Gi0/3.
- B.The SPAN session is monitoring traffic on Gi0/3 and sending it to Gi0/1 and Gi0/2.
- C.The SPAN session is using RSPAN because the destination port has ingress disabled.
- D.The SPAN session is not active because the destination port is not in forwarding state.
Why A: The output shows a local SPAN session with source ports Gi0/1 and Gi0/2, and destination port Gi0/3. The destination port is configured with native encapsulation and ingress is disabled, meaning traffic received on the destination port is not forwarded. The session is active and correctly configured.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.