When configuring dual-machine hot backup, the company network administrator configured the status of VRRP backup group 1 as Active and configured the virtual IP address as 10.1.1.1/24.
<sysname> system-view
[sysname]
interface GigabitEthernet 0/0/1
[sysname-GigabitEthernet0/0/1]
()
Then the command that needs to be typed in the blank space is ()

Which of the following options are part of the PKI architecture? (Multiple Choice)

After configuring the command nat server test protocol tcp global 202.202.1.1 inside 192.168.1.1, the device will automatically generate Server-map entries.

When the switch receives a packet with the destination MC address 5489-981b-22ca on the E0/0/5 interface, it will discard it.
As shown in the picture, the picture shows the top of the MAC address forwarding table of a switch.
Which of the following descriptions of the table items are correct? (Multiple Choice)

Which of the following options is the protocol number of GRE?