Configuring VRRP Group 10 on GigabitEthernet0/0

D.

The correct answer is A. standby 10 ip 172.16.13.254 255.255.255.0 standby 10 preempt.

VRRP (Virtual Router Redundancy Protocol) is used to provide redundancy in a network by allowing multiple routers to participate in a virtual router group that shares a virtual IP address. The routers in the group elect a master router that is responsible for forwarding packets sent to the virtual IP address. If the master router fails, another router in the group takes over as the master router.

To configure a router to participate in a VRRP group, the following commands must be configured:

1. Configure the physical interface with an IP address: interface GigabitEthernet0/0 description To IDF A 38-24-044.40 ip address 172.16.13.2 255.255.255.0

2. Configure the VRRP group with a virtual IP address and priority: standby 10 ip 172.16.13.254 255.255.255.0

This command sets up VRRP group 10 with a virtual IP address of 172.16.13.254 and a subnet mask of 255.255.255.0. The router with the highest priority in the group becomes the master router for that group.

3. Configure preempt mode: standby 10 preempt

This command enables the router with the highest priority to automatically take over as the master router if it becomes available.

Therefore, option A is the correct command set to configure the GigabitEthernet0/0 interface for VRRP group 10, and to make the router with the highest priority assume the master role. Option B is incorrect because it does not specify a priority for the router. Option C is incorrect because it has a typo and does not specify preempt mode. Option D is incorrect because it uses the incorrect syntax for configuring VRRP.