【求助】windows2000 problem

[mok2000]

50. You are the admin for a large dynamic IP network that uses OSPF. All
servers are running win2k advanced server. You want to better manage the
internal routers and area border routers of the network. Which 3
procedures can aid this? (Choose 3)

a. Ensure ABR's are connected without going through the backbone
b. Ensure ABR's are source and route filtering is not too restrictive
c. Ensure ABR's are physically or logically (through a virtual link)
connected to the backbone
d. Ensure ABR's are configured with the proper destination and network
mask pairs that summarize the areas routes

Answer:b,c,d.
請問什麼是ABR'S????

[alice425]

不就在題目中嗎？
ABR=area border routers