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350-401 Practice Question: Examine the following HSRP configuration on a…
Examine the following HSRP configuration on a Cisco IOS-XE switch:
interface Vlan10 ip address 10.0.0.2 255.255.255.0 standby 10 ip 10.0.0.1 standby 10 priority 150 standby 10 preempt
What is the effect of the 'standby 10 preempt' command?
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 router will immediately become the active router if it has a higher priority than the current active.
The preempt command allows this router to become the active HSRP router if it has a higher priority than the current active router. Without preempt, the router with higher priority would not take over unless the current active fails.
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 router will immediately become the active router if it has a higher priority than the current active.
Why this is correct
Preempt enables the router to take over the active role when it has a higher priority.
- ✗
The router will become active only if the current active fails.
Why it's wrong here
Without preempt, that would be true; with preempt, it can take over immediately.
- ✗
The router will send a gratuitous ARP to update the virtual MAC address.
Why it's wrong here
That happens when a router becomes active, but it is not the direct effect of the preempt command.
- ✗
The router will lower its priority to avoid becoming active.
Why it's wrong here
Preempt does not change priority; it allows taking over.
Go deeper
Related to this question
Learn chapter
EIGRP: Basics and Advanced Configuration
Key term
First Hop Redundancy Protocol
A First Hop Redundancy Protocol provides automatic backup for the default gateway router on a network so that devices keep working if the primary router fails.
Key term
High Availability in Enterprise Networks
High Availability in Enterprise Networks is the design principle that ensures network services remain accessible and operational with minimal downtime, even when individual components fail.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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