【单选题】
A specific URL has been identified as containing malware. What action can you take to block users from accidentally visiting the URl and becoming infected with malware ？___
A. Enable URL filtering on the perimeter router and add the URls you want to block to the router's local URL list
B. Enable URL filtering on the perimeter firewall and add the URls you want to allow to the router's local URL list.
C. Enable URL filtering on the perimeter router and add the URls you want to allow to the firewall's local URL list
D. Create a blacklist that contains the URl you want to block and activate the blacklist on the perimeter rout
E. Create a whitelist that contains the URLs you want to allow and activate the whitelist on the perimeter router.
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While trouble shooting site-to-site VPN， you issued the show crypto isakmp sa command. What does the given output show？___
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Refer to the exhibit for which reason is the tunnel unable to pass traffic___
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C.
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Which type of attack can exploit design flaws in the implementation of an application without ？___
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【多选题】
Which statement about the communication between interfaces on the same security level is true？___
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报关单录入、申报子系统提供进出口单位通过网上填写申报委托书或者备案数据下载协议，委托有权代理报关业务的单位代其办理某项报关业务，如：报关单录入、报关单审核、报关单申报或报关单审核和申报
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