单项选择题

For the following attempts， which one is to ensure that no one employee becomes a pervasive securitythreat， that data can be recovered from backups， and that information system changes do not compromisea system’s security？（）

A.Strategic security planning
B.Disaster recovery
C.Implementation security
D.Operations security

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单项选择题

Which one of the following commands can be used to enable AAA authentication to determine if a user canaccess the privilege command level？（）

A.aaa authentication enable method default
B.aaa authentication enable default
C.aaa authentication enable level
D.aaa authentication enable default local

单项选择题

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

单项选择题

For the following statements， which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol （FCAP）？（）

A.It is restricted in size to only three segments
B.It requires the use of netBT as the network protocol
C.It requires the implementation of IKE
D.It relies on an underlying Public Key Infrastructure