Using a policy with the policy-rematch flag enabled， what happens to the existing and newsessions when you change the policy action from permit to deny？（）

单项选择题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？（）

A.New sessions will be evaluated. In-progress sessions will be re-evaluated.
B.New sessions will be evaluated. All in-progress sessions will continue.
C.New sessions will be evaluated. All in-progress sessions will be dropped.
D.New sessions will halt until all in-progress sessions are re-evaluated. In-progress sessions will be re-evaluated and possibly dropped.

单项选择题Based on the configuration shown in the exhibit， what will happen to the traffic matching thesecurity policy？（） [edit schedulers] user@host# showscheduler now { monday all-day； tuesday exclude； wednesday { start-time 07：00：00 stop-time 18：00：00； } thursday { start-time 07：00：00 stop-time 18：00：00； } } [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 myTunnel； } } } scheduler-name now； }

A.The traffic is permitted through the myTunnel IPsec tunnel only on Tuesdays.
B.The traffic is permitted through the myTunnel IPsec tunnel daily， with the exception of Mondays.
C.The traffic is permitted through the myTunnel IPsec tunnel all day on Mondays and Wednesdays between 7：00 am and 6：00 pm， and Thursdays between 7：00 am and 6：00 pm.
D.The traffic is permitted through the myTunnel IPsec tunnel all day on Mondays and Wednesdays between 6：01 pm and 6：59 am， and Thursdays between 6：01 pm and 6：59 am

单项选择题Your task is to provision the JUNOS security platform to permit transit packets from the Private zone to theExternal zone by using an IPsec VPN and log information at the time of session close. Which configurationmeets this requirement？（）

A.A
B.B
C.C
D.D

单项选择题Whichconfigurationkeywordensuresthatallin-progresssessionsarere-evaluateduponcommittingasecuritypolicychange？（）

A.policy-rematch
B.policy-evaluate
C.rematch-policy
D.evaluate-policy

单项选择题Whatisthepurposeofanaddressbook？（）

A.It holds security policies for particular hosts.
B.It holds statistics about traffic to and from particular hosts.
C.It defines hosts in a zone so they can be referenced by policies.
D.It maps hostnames to IP addresses to serve as a backup to DNS resolution.