Cat6500(config)# router ospf 1
Cat6500(config-router)# network 0.0.0.0 255.255.255.255 area 0
Cat6500(config-router)# nsf
Cat6500(config-router)# end

Refer to the exhibit. The configuration is used to enable nonstop forwarding for OSPF on a Catalyst 6500 Series Switch with redundant supervisor engines.

The default CEF configuration is unchanged. After testing, user traffic is interrupted and NSF is not operational. What is the most likely reason?

Refer to the exhibit. What problem is preventing users on VLAN 100 from pinging addresses on VLAN 200?

Refer to the exhibit. Why are users from VLAN 100 unable to ping users on VLAN 200?

With CEF, prefixes that require exception processing can be cached with one of which four special adjacencies? (Choose four)
Exhibit

Refer to the exhibit and the partial configuration on routers R1 and R2. Hot Standby Routing Protocol (HSRP) is configured on the network to provide network redundancy for the IP traffic. The network administrator noticed that R2 does not became active when the R1 serial0 interface goes down. What should be changed in the configuration to fix the problem?

Refer to the exhibit. DHCP snooping is enabled for selected VLANs to provide security on the network. How do the switch ports handle the DHCP messages? *

Refer to the exhibit. Which configuration on the HSRP neighboring device ensures that it becomes the active HSRP device in the event that port fa1/1 on Switch_A goes down?

Refer to the exhibit. What type of attack would be mitigated by this configuration?

Refer to the exhibit. What can be concluded about VLANs 200 and 202?

Refer to the exhibit. What information can be derived from the output?