單項(xiàng)選擇題For the following statements, which one is the strongest symmetrical encryption algorithm?()

A.AES
B.3DES
C.DES
D.Diffie-Hellman


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1.單項(xiàng)選擇題

Which item is the correct matching relationships associated with IKE Phase?()

A.IKE Phase 1 - P4S1 and P4S4,IKE Phase 2 - P4S2, P4S3 and P4S5
B.IKE Phase 1 - P4S2 and P4S4,IKE Phase 2 - P4S1, P4S3 and P4S5
C.IKE Phase 1 - P4S2 and P4S3,IKE Phase 2 - P4S1, P4S4 and P4S5
D.IKE Phase 1 - P4S1 and P4S2,IKE Phase 2 - P4S3, P4S4 and P4S5

3.單項(xiàng)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

4.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

5.單項(xiàng)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

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