mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on router R2: R2# show…
A network engineer runs the following command on router R2:
R2# show monitor session 4
Session 4 --------- Type : ERSPAN Source Session Status : Admin Enabled Source Ports : Both : Gi0/0 Destination IP : 192.168.1.10 Origin IP : 10.0.0.2 ERSPAN ID : 100
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 ERSPAN session is mirroring traffic from Gi0/0 to IP address 192.168.1.10 using ERSPAN ID 100.
This is an ERSPAN source session. It mirrors traffic from source port Gi0/0 and encapsulates it with an ERSPAN header, sending it to destination IP 192.168.1.10 with origin IP 10.0.0.2 and ERSPAN ID 100. The session is administratively enabled.
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 ERSPAN session is mirroring traffic from Gi0/0 to IP address 192.168.1.10 using ERSPAN ID 100.
Why this is correct
The output clearly shows source port Gi0/0, destination IP 192.168.1.10, and ERSPAN ID 100.
- ✗
The ERSPAN session is mirroring traffic from IP 192.168.1.10 to Gi0/0.
Why it's wrong here
The source is Gi0/0, not the IP address.
- ✗
The ERSPAN session is using RSPAN encapsulation.
Why it's wrong here
ERSPAN uses GRE/IP encapsulation, not VLAN-based RSPAN.
- ✗
The ERSPAN session is disabled because the status is 'Admin Enabled'.
Why it's wrong here
'Admin Enabled' means the session is administratively enabled, not disabled.
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