单项选择题
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; }
单项选择题 Which command do you use to display the status of an antivirus database update?（）
单项选择题 Which security or functional zone name has special significance to the Junos OS?（）
单项选择题 Which type of Web filtering by default builds a cache of server actions associated with each URL it has checked?（）