easyMultiple ChoiceObjective-mapped
300-410 Practice Question: Is true about the SPAN source interface…
Which of the following is true about the SPAN source interface configuration?
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
✓
By default, only ingress traffic is monitored.
A SPAN source interface can be configured to monitor both ingress and egress traffic, or either direction. By default, only ingress traffic is monitored if no direction is specified.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
By default, both ingress and egress traffic are monitored.
Why it's wrong here
The default is ingress only; egress must be explicitly configured.
- ✓
By default, only ingress traffic is monitored.
Why this is correct
When configuring a SPAN source interface without specifying direction, only ingress traffic is mirrored.
- ✗
By default, only egress traffic is monitored.
Why it's wrong here
Egress is not the default; ingress is.
- ✗
The direction must always be specified; there is no default.
Why it's wrong here
A default direction (ingress) exists if not specified.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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