A.The cost value (Cost) of a static route cannot be modified.

B.When the priority of a static route is 0, the route will definitely be preferred.

C.The range of static route priority value is 1-255

D.The default value of the static route priority is 60

A.UDP data

B.ICMP message

C.TCP data segment

D.ARP packet

A.False

B.True

A.?Huawei?ospf area 0

B.[Huawei-ospf-1] area 0.0.0.0

C.?Huawei-ospf-1?area 0

D.[Huawei-ospf-1] area 0 enable

A.The MAC address 5489-989d-1d30 is manually configured by the administrator

B.The MAC address 5489-9885-18a8 is manually configured by the administrator

C.After the switch restarts, all MAC addresses need to be relearned. The MAC address 5489-9885-18a8 is manually configured by the administrator

D.The MAC address 5489-9811-0b49 is manually configured by the administrator