多项选择题

What are two uses of NAT？（）

A.conserving public IP addresses
B.allowing stateful packet inspection
C.preventing unauthorized connections from outside the network
D.allowing networks with overlapping private address space to communicate

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多项选择题

Assume the default-policy has not been configured.Given the configuration shown in the exhibit， which two statements about traffic from host_a inthe HR zone to host_b in the trust zone are true？（） [edit security policies from-zone HR to-zone trust] user@host# show policy one { match { source-address any； destination-address any； application [ junos-http junos-ftp ]； } then { permit； } } policy two { match { source-address host_a； destination-address host_b； application [ junos-http junos-smtp ]； } then { deny； } }

A.DNS traffic is denied.
B.HTTP traffic is denied.
C.FTP traffic is permitted.
D.SMTP traffic is permitted.

单项选择题

Given the configuration shown in the exhibit， which statement is true about traffic from host_ato host_b？（） [edit security policies from-zone HR to-zone trust] user@host# showpolicy two { match { source-address subnet_a； destination-address host_b； application [ junos-telnet junos-ping ]； } then { reject； } } policy one { match { source-address host_a； destination-address subnet_b； application any； } then { permit； } } host_a is in subnet_a and host_b is in subnet_b.

A.DNS traffic is denied.
B.Telnet traffic is denied.
C.SMTP traffic is denied.
D.Ping traffic is permitted