【問題】ip problem

[mok2000]

247. You have four Windows 2000 Professional computers and two Windows
2000 server. Pro1 can ping 172.16.96.1. Pro4 can ping 172.16.64.1. All
windows professional computers can communicate with each other, but WS1
cannot ping WS2.

Segment A 172.16.64.1
WS1 172.16.71.32 255.255.224.0 172.16.64.1

Segment B 172.16.96.1
WS2 172.16.86.76 255.255.224.0 172.16.96.1

What should you do to ensure WS1 communicates with WS2?

a. Change the subnet mask of the network to 255.255.240.0
b. Change the subnet mask of the network to 255.255.192.0
c. Change the IP address of work1 to 172.16.63.32
d. Change the IP address of work1 to 172.16.103.76
e. Change the IP address of work2 to 172.16.103.76

Answer:e
Original 900--> d
對不起本人愚昧,請問這條問題是怎樣計出答案的?

[mok2000]

最初由 mok2000 發表
247. You have four Windows 2000 Professional computers and two Windows
2000 server. Pro1 can ping 172.16.96.1. Pro4 can ping 172.16.64.1. All
windows professional computers can communicate with each other, but WS1
cannot ping WS2.

Segment A 172.16.64.1
WS1 172.16.71.32 255.255.224.0 172.16.64.1

Segment B 172.16.96.1
WS2 172.16.86.76 255.255.224.0 172.16.96.1

What should you do to ensure WS1 communicates with WS2?

a. Change the subnet mask of the network to 255.255.240.0
b. Change the subnet mask of the network to 255.255.192.0
c. Change the IP address of work1 to 172.16.63.32
d. Change the IP address of work1 to 172.16.103.76
e. Change the IP address of work2 to 172.16.103.76

Answer:e

好耶!我終於找到答案了!!!
Original 900--> d
對不起本人愚昧,請問這條問題是怎樣計出答案的?