350-401 Question #1122: Real Exam Question with Answer & Explanation

The correct answer is D: standby version 2. The configuration for HSRP group 512 is rejected because it falls outside the group number range supported by HSRPv1, requiring HSRPv2 to be explicitly enabled on the interface.

Submitted by ricky.ec· Mar 6, 2026

Question

Refer to the exhibit. An engineer attempts to configure standby group 512 on interface GigabitEthernet0/1, but the configuration is not accepted. Which command resolves this problem?

Options

Astandby redirects
Bstandby 512 priority 100
Cstandby 512 preempt
Dstandby version 2

Explanation

The configuration for HSRP group 512 is rejected because it falls outside the group number range supported by HSRPv1, requiring HSRPv2 to be explicitly enabled on the interface.

Common mistakes.

A. The standby redirects command is used for ICMP redirect messages and does not address issues with unsupported HSRP group numbers.
B. The standby 512 priority 100 command sets the priority for the specified group but will only be accepted after the HSRP group number issue is resolved by enabling HSRPv2.
C. The standby 512 preempt command enables preemption for the specified group, but cannot be configured until HSRPv2 is enabled to support the group number 512.

Concept tested. HSRP versions and group number ranges

Reference. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-3s/fhrp-xe-3s-book/fhrp-hsrp.html

Topics

#HSRP#HSRP versions#Layer 3 redundancy#HSRP group numbers

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