200-301 · Question #105
Refer to the exhibit. Which statement about the interface that generated the output is true?
The correct answer is B. One secure MAC address is manually configured on the interface.. The exhibit indicates that exactly one secure MAC address was manually configured on the interface using port security.
Question
Refer to the exhibit. Which statement about the interface that generated the output is true?
Exhibits
Options
- AA syslog message is generated when a violation occurs.
- BOne secure MAC address is manually configured on the interface.
- COne secure MAC address is dynamically learned on the interface.
- DFive secure MAC addresses are dynamically learned on the interface.
How the community answered
(55 responses)- A5% (3)
- B73% (40)
- C7% (4)
- D15% (8)
Why each option
The exhibit indicates that exactly one secure MAC address was manually configured on the interface using port security.
While syslog messages can be generated upon a port security violation, this statement describes a behavior, not a direct characteristic of the MAC address configuration itself.
For an interface to have one secure MAC address manually configured, the `switchport port-security mac-address <mac-address>` command must have been used. This means the MAC address is statically defined and stored in the running configuration, rather than learned dynamically.
If one secure MAC address was dynamically learned, the output would specify 'Dynamic' or 'Sticky' as its type, not 'Configured' or imply a manual entry.
This statement would be true only if the output showed five secure MAC addresses that were dynamically learned, which contradicts the correct answer indicating a single manually configured address.
Concept tested: Port security MAC address types
Source: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12_2_25_see/configuration/guide/scg/swportsc.html#wp1010360
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