单项选择题
A. To make seven ordinary years turn into one year. B. To get along well with chip vendors who can finish tasks very quickly. C. To increase the capacity of the firewall system and to reduce the volume of the device.
A. They need to do some filtering very fast. B. As a member of an organization, they should decide for themselves. C. They should try to make their treasure inaccessible.
A. It protected packets of information from being raided. B. It can break everything up into little packets. C. It can meet the world demand of the generic plug-in card.