問題文
A remote branch shows a page to its visitors before it lets them out, and the traffic of that wireless network is placed on the wired side at the branch. A visitor opens a browser and the first thing the device does is look up a name. What does the guide require of that lookup while the visitor is still short of the page?
選択肢
- The reply to it is answered out of the store that the access point keeps for the branch, and the access point lets nothing but lookups of that kind and requests for an address past until the visitor is through the page.
- The reply to it has to travel as far as the controller over the tunnel, and the access point lets every kind of message past for as long as the visitor is short of the page, so that the page itself can be reached.
- The reply to it is answered by the gateway of the branch subnet, and the access point holds every message of the visitor at the branch until the controller has handed down the outcome of the page.
- The reply to it has to travel as far as the controller over the tunnel, and the access point lets nothing but lookups of that kind and requests for an address past until the visitor is through the page.