單項(xiàng)選擇題Which type of firewall is needed to open appropriate UDP ports required for RTP streams?()

A.Stateful firewall
B.Proxy firewall
C.Packet filtering firewall
D.Stateless firewall


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B.It requires the use of netBT as the network protocol
C.It requires the implementation of IKE
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2.單項(xiàng)選擇題Which firewall best practices can help mitigate worm and other automated attacks?()

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3.單項(xiàng)選擇題Which one is the most important based on the following common elements of a network design?()

A.Business needs
B.Risk analysis
C.Security policy
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