フリー問題

問題文

Two firewalls are paired so that if one stops the other picks up the traffic. The customer requires that file transfers running at that instant are not thrown away. Which extra capability does that requirement demand?

選択肢

1. The demanded capability is session table mirroring in that firewall pair recommendation.
2. The demanded capability is rack power budgeting in that firewall pair recommendation.
3. The demanded capability is peer count limiting in that firewall pair recommendation.
4. The demanded capability is control link heartbeating in that firewall pair recommendation.