The Ethernet port Ethernet0/0 of router MSR-1 is configured as follows:
interface Ethernet0/0
ip address 192.168.0.1 255.255.255.0
A three-layer switch is connected to this interface, and this three-layer switch is the default gateway of multiple network segments of the customer's office network. For security reasons, the customer now requires configuration on the interface Ethernet0/0 of MSR-1 ACL (does not restrict the application direction) to prohibit all users on the office network from pinging 192.168.0.1, which of the following configurations can be used? (multiple choice)

The functions implemented by the IPv6 Neighbor Discovery Protocol include _____. (Multiple choice)

On the MSR router, the configuration file is a file saved in ______ format.

When viewing the configuration, if there are many configuration commands and one screen cannot be displayed completely, after displaying one screen, you can press ___ to display the next page.

On the MSR router, by default, the configuration file is suffixed with ______.