mediumMultiple Choice
300-410 Practice Question: Snmp-server enable traps\nsnmp-server host…
snmp-server enable traps\nsnmp-server host 192.168.1.100 traps version 2c public\nsnmp-server host 192.168.1.200 informs version 2c public
What is the effect of this configuration?
⚠ Common exam trap
Cisco often tests the misconception that informs are only available in SNMPv3, but SNMPv2c also supports informs, and the 'traps' vs 'informs' keywords in the 'snmp-server host' command directly determine the notification type per destination.
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
✓
Traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200.
The configuration explicitly uses the 'traps' keyword for 192.168.1.100 and the 'informs' keyword for 192.168.1.200. In SNMP, the 'snmp-server host' command defines the destination and type of notification; 'traps' are unacknowledged UDP messages, while 'informs' are acknowledged (requiring a response from the receiver). Therefore, traps are sent to 192.168.1.100 and informs to 192.168.1.200, making option A correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Traps are sent to 192.168.1.100 and informs are sent to 192.168.1.200.
Why this is correct
The first snmp-server host line sends traps to 192.168.1.100, while the second sends informs to 192.168.1.200, since each host entry specifies its own notification type. Informs are acknowledged by the receiver; traps are not, but both destinations receive their configured notification.
- ✗
Both hosts receive traps.
Why it's wrong here
The host lines name different notification types: 192.168.1.100 is configured for traps while 192.168.1.200 is configured for informs, so they do not both receive traps. Assuming the first host line sets a global default is tempting, and traps for both would be correct if both lines used the traps keyword.
- ✗
Both hosts receive informs.
Why it's wrong here
The first host line specifies traps and the second specifies informs, so each host receives only the notification type named on its own line. Reading both lines as a combined notification policy is tempting, and informs would be correct if the second line had been written with the traps keyword instead.
- ✗
Only traps are enabled; informs require SNMPv3.
Why it's wrong here
Informs are supported with SNMPv2c as well as SNMPv3; the second host line explicitly configures informs version 2c, so the claim that informs require v3 is false. Restricting informs to v3 is tempting because v3 adds authentication and encryption, and v3 would be correct where those security features are mandated.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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