Cisco Certified Network Associate (CCNA) Practice Exam

Which statement describes VRRP object tracking?

1. It monitors traffic flow and link utilization.

2. It ensures the best VRRP router is the virtual router master for the group.

3. It causes traffic to dynamically move to higher bandwidth links.

4. It thwarts man-in-the-middle attacks.

The correct answer is: It ensures the best VRRP router is the virtual router master for the group.

The statement that describes VRRP object tracking focuses on how this feature functions within the Virtual Router Redundancy Protocol (VRRP). VRRP is used to enhance the availability of routing paths by enabling multiple routers to work together as a single virtual router. In the context of VRRP, object tracking allows routers to monitor the status of interfaces and other critical elements such as system health. By doing so, VRRP can determine if the current master router has become unavailable or if another router should take over its role based on the monitoring data. When one router, which is designated as the master, fails or its tracked objects go down, another router with a higher priority status can take over as the new master. This dynamic reassignment ensures that the most capable router is always serving as the virtual master, thereby maintaining the reliability and efficiency of the network. This function is essential for ensuring seamless failover and providing high availability in networks. It ensures that the best candidate for the master role based on current conditions and configurations is always selected and active, which is a cornerstone of the VRRP functionality.