A.FALSE

B.TRUE

A.The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.

B.The cost of all routes is set to 200.

C.The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.

D.All the routes that are not permitted by node 10 will be denied.

A.When a router with the highest router priority joins an OSPF network, this router will become the new DR.

B.If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.

C.If two devices have the same router priority, the device with a larger router ID has a higher election priority.

D.A device with a higher router priority has a higher election priority.

A.Root switch

B.Uncertain

C.Non-root switch

D.Secondary root switch