Which command should you run to enable the graceful restart feature?

You have a Cisco Nexus 7700 Series switch on which the graceful restart feature is disabled. You are configuring BGP.

Which command should you run to enable the graceful restart feature?
A . switch(config-router)# graceful-restart
B . switch(config-router)# graceful-restart-helper
C . switch(config-router)# graceful-restart grace-period
D . switch(config-router)# graceful-restart restart-time

Answer: A

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus7000/sw/unicast/command/reference/n7k_unicast_cmds/l3_cmds_g.html