单项选择题
Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）
A. Cisco IOS IPsec/SSL VPN client
B. Cisco VPN Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance
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相关考题
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单项选择题
At which layer of the OSI model is RSTP used to prevent loops?（）
A. data link
B. network
C. physical
D. transport -
单项选择题
Which IPsec security protocol should be used when confidentiality is required?（）
A. PSK
B. AH
C. MD5
D. ESP -
单项选择题
which command allows you to verify the encapsulation type CISCO OR IETF for a frame relay link?（）
A. show frame-relay map
B. show frame-relay lmi
C. show inter serial
D. show frame-relay pvc
