Which command must you enter to guarantee that an HSRP router with higher priority becomes the HSRP primary router after it is reloaded?
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A. B. C. D.A.
The preempt command enables the HSRP router with the highest priority to immediately become the active router.
The correct answer is A. standby 10 preempt.
Explanation:
HSRP (Hot Standby Router Protocol) is a Cisco proprietary protocol that provides redundancy for IP networks by allowing two or more routers to work together to represent a virtual router. One router is designated as the active router, and the other router(s) are designated as standby router(s). The active router is responsible for forwarding packets sent to the virtual router's IP address, and the standby router(s) are ready to take over if the active router fails.
The preempt command ensures that a higher-priority HSRP router will take over as the active router if it becomes available, even if the currently active router has not failed. This means that if the HSRP router with the highest priority is reloaded, it will become the active router again when it comes back online.
The version command specifies the version of HSRP to use. HSRP version 1 is the default, and HSRP version 2 provides additional features such as authentication and multicast support.
The priority command sets the priority value for the HSRP router. The router with the highest priority value becomes the active router, and if there is a tie, the router with the highest IP address becomes the active router.
Therefore, the correct command to guarantee that an HSRP router with higher priority becomes the HSRP primary router after it is reloaded is standby 10 preempt.