單項選擇題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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1.單項選擇題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

2.單項選擇題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

3.單項選擇題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

4.單項選擇題Which firewall best practices can help mitigate worm and other automated attacks？（）

A.Segment security zones
B.Restrict access to firewalls
C.Use logs and alerts
D.Set connection limits

5.單項選擇題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
D.Best practices