An engineer configured SNMP notifications sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as
"UNKNOWNUSERNAME, WRONGDIGEST". Which action resolves the issue?

Refer to the exhibit. The network administrator has configured the Customer Edge router (AS 64511) to send only summarized routes toward ISP-1 (AS 100) and ISP-2 (AS 200).
router bgp 64511
network 172.16.20.0 mask 255.255.255.0
network 172.16.21.0 mask 255.255.255.0
network 172.16.22.0 mask 255.255.255.0
network 172.16.23.0 mask 255.255.255.0
aggregate-address 172.16.20.0 255.255.252.0
After this configuration. ISP-1 and ISP-2 continue to receive the specific routes and the summary route. Which configuration resolves the issue?

Refer to the exhibit. The client received the IPv6 address from the IPv6 DHCP server but the show command does not show the IPv6 DHCP bindings on the server. Which action resolves the issue?

Refer to the exhibit.

The neighbor relationship is not coming up Which two configurations bring the adjacency up? (Choose two)

Refer to the exhibit. The static route is not present in the routing table of an adjacent OSPF neighbor router. Which action resolves the issue?