A. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
B. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; } policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
C. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200;} policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
D. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
第1题:
IPSec协议是一个应用广泛,开放的VPN安全协议。()
第2题:
属于第二层的VPN 隧道协议是()。
A.IPSe
C. B.PPTP
C.GRE
D.IPv4
第3题:
属于第三层VPN协议。
A.TCP
B.SSL
C.PPOE
D.IPSec
第4题:
A、IKE策略
B、IPSec策略
C、专线
D、IPSec站点连接
第5题:
A.L2TP
B.IPSEC+IKE野蛮模式
C.GRE+IPSEC
D.L2TP+IPSEC
第6题:
● 以下对于VPN 作用的描述中,错误的是 (67) 。
(67)
A.VPN 的含义是虚拟专用网络
B.VPN 使用IPSec技术
C.VPN 对用户不透明
D.VPN 通过公用网络实现企业之间内部网络的安全连接