单选题After applying the policy-rematch statement under the security policies stanza, what would happen to an existing flow if the policy source address or the destination address is changed and committed?()AThe Junos OS drops any flow that does not match the source address or destination address.BAll traffic is dropped.CAll existing sessions continue.DThe Junos OS does a policy re-evaluation.

单选题
After applying the policy-rematch statement under the security policies stanza, what would happen to an existing flow if the policy source address or the destination address is changed and committed?()
A

The Junos OS drops any flow that does not match the source address or destination address.

B

All traffic is dropped.

C

All existing sessions continue.

D

The Junos OS does a policy re-evaluation.


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A network administrator wants to permit Telnet traffic initiated from the address book entry the10net in a zone called UNTRUST to the address book entry Server in a zone called TRUST.However, the administrator does not want the server to be able to initiate any type of traffic from the TRUST zone to the UNTRUST zone.Which configuration statement would correctly accomplish this task?()A. from-zone UNTRUST to-zone TRUST { policy DenyServer { match { source-address any; destination-address any; application any; } then { deny; } } } from-zone TRUST to-zone UNTRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }B. from-zone TRUST to-zone UNTRUST { policy DenyServer { match { source-address Server; destination-address any; application any; } then {deny; } } } from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }C. from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match { source-address the10net; destination-address Server; application junos-ftp; } then { permit; } } }D. from-zone TRUST to-zone UNTRUST { policy DenyServer { match { source-address Server; destination-address any; application any; } then { permit; } } } from-zone UNTRUST to-zone TRUST { policy AllowTelnetin { match {source-address the10net; destination-address Server; application junos-telnet; } then { permit; } } }

You have created a security policy on an SRX240 that permits traffic from any source-address, any destination-address, and any application. The policy will be a source IP policy for use with the Junos Pulse Access Control Service.What must you add to complete the security policy configuration?()A. The intranet-auth authentication optionB. The redirect-portal application serviceC. The uac-policy application serviceD. The ipsec-vpn tunnel

After applying the policy-rematch statement under the security policies stanza, what would happen to an existing flow if the policy source address or the destination address is changed and committed?()A. The Junos OS drops any flow that does not match the source address or destination address.B. All traffic is dropped.C. All existing sessions continue.D. The Junos OS does a policy re-evaluation.

After applying the policy-rematch statement under the security policies stanza, what would happen to an existing flow if the policy source address or the destination address is changed and committed?()A、The Junos OS drops any flow that does not match the source address or destination address.B、All traffic is dropped.C、All existing sessions continue.D、The Junos OS does a policy re-evaluation.

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.

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You have created a security policy on an SRX240 that permits traffic from any source-address, any destination-address, and any application. The policy will be a source IP policy for use with the Junos Pulse Access Control Service. What must you add to complete the security policy configuration?()A、The intranet-auth authentication optionB、The redirect-portal application serviceC、The uac-policy application serviceD、The ipsec-vpn tunnel

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A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0?()A、The traffic is droppedB、The resulting action is determined by the destination IP addressC、The source IP address is checked,and,if a match is not found, traffic is routed out interface Serial 1D、The resulting action is determined by the destination IP address and port number

Which configuration shows the correct application of a security policy scheduler?()A、[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } scheduler-name now; } } }B、[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }C、[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn scheduler-name now; } } } }D、[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; scheduler-name now; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }myTunnel;

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Which statement is true about source NAT?()A、Source NAT works only with source pools.B、Destination NAT is required to translate the reply traffic.C、Source NAT does not require a security policy to function.D、The egress interface IP address can be used for source NAT

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

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单选题In the configuration shown in the exhibit, you decided to eliminate the junos-ftp applicationfrom the match condition of the policy MyTraffic. [edit security policies] user@hostl# show from-zone Private to-zone External { policy MyTraffic { match { source-address myHosts; destination-address ExtServers; application [ junos-ftp junos-bgp ]; } then { permit { tunnel { ipsec-vpn vpnTunnel; } } } } } policy-rematch; What will happen to the existing FTP and BGP sessions?()AThe existing FTP and BGP sessions will continue.BThe existing FTP and BGP sessions will be re-evaluated and only FTP sessions will be dropped.CThe existing FTP and BGP sessions will be re-evaluated and all sessions will be dropped.DThe existing FTP sessions will continue and only the existing BGP sessions will be dropped.

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单选题Which command is needed to change this policy to a tunnel policy for a policy-based VPN?() [edit security policies from-zone trust to-zone untrust] user@host# show policy tunnel-traffic { match { source-address local-net; destination-address remote-net; application any; then { permit; } }Aset policy tunnel-traffic then tunnel remote-vpnBset policy tunnel-traffic then permit tunnel remote-vpnCset policy tunnel-traffic then tunnel ipsec-vpn remote-vpn permitDset policy tunnel-traffic then permit tunnel ipsec-vpn remote-vpn

单选题Which configuration shows the correct application of a security policy scheduler?()A[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } scheduler-name now; } } }B[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }C[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn scheduler-name now; } } } }D[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; scheduler-name now; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }myTunnel;

单选题Which command is needed to change this policy to a tunnel policy for a policy-based VPN?() [edit security policies from-zone trust to-zone untrust] user@host# show policy tunnel-traffic { match { source-address local-net; destination-address remote-net; application any; then { permit; } }Aset policy tunnel-traffic then tunnel remote-vpnBset policy tunnel-traffic then permit tunnel remote-vpnCset policy tunnel-traffic then tunnel ipsec-vpn remote-vpn permitDset policy tunnel-traffic then permit tunnel ipsec-vpn remote-vpn

单选题You have created a security policy on an SRX240 that permits traffic from any source-address, any destination-address, and any application. The policy will be a source IP policy for use with the Junos Pulse Access Control Service. What must you add to complete the security policy configuration?()AThe intranet-auth authentication optionBThe redirect-portal application serviceCThe uac-policy application serviceDThe ipsec-vpn tunnel

单选题In a Junos Pulse Access Control Service firewall enforcement configuration, what is the purpose of the source IP policy?()Ato specify the destination addresses to which access is permittedBto specify the source address permitted to access the resourceCto specify the services to which access is permittedDto inform the enforcer to expect policy information from the Junos Pulse Access Control Service

单选题In the exhibit, you decided to change myHosts addresses. [edit security policies] user@host# show from-zone Private to-zone External { policy MyTraffic { match { source-address myHosts; destination-address  ExtServers;application  [ junos-ftp junos-bgp ]; } then { permit { tunnel { ipsec-vpn vpnTunnel; } } } } } policy-rematch; What will happen to the new sessions matching the policy and in-progress sessions that hadalready matched the policy?()ANew sessions will be evaluated. In-progress sessions will be re-evaluated.BNew sessions will be evaluated. All in-progress sessions will continue.CNew sessions will be evaluated. All in-progress sessions will be dropped.DNew sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated and possibly dropped.

单选题Your task is to provision the Junos security platform to permit transit packets from the Private zone to the External zone by using an IPsec VPN and log information at the time of session close.Which configuration meets this requirement?()A[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts;destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn VPN; } } log { session-init; } } }B[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn VPN; } } count { session-close; } } }C[edit security policies from-zone Private to-zone External] user@host# showpolicy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn VPN;} } log { session-close; } } }D[edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn VPN; log; count session-close; } } } }