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filter（）和find（）的区别是filter（）用于向下查找，find（）用于同级查找。（）
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以下语句正确的是()
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A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A、The filter will permit the packet and take no additional actionB、The filter will reject the packet and send an ICMP message back to the senderC、The filter will discard the packet and take no additional actionD、The filter will permit the packet and write a log entry to the firewall log
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关于find（）与filter（）的区别以下描述正确的是（）。A、find（） 是在内存中筛选，filter（）是在所有页面元素中筛选B、find（）在元素内查找后代元素，filter（）是在当前已获得结果中进行筛选C、find（）是在当前结果集中筛选，filter（）是在父级中筛选D、find（） 是在父级中筛选，filter（）是在当前已获得结果集中筛选
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Which the three are true about servlet filters？（）A、 A filter must implement the destroy methodB、 A filter must implement the doFilter methodC、 A servlet may have multiple filters associated with itD、 A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interfaceE、 A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward methodF、 For each element in the web application deployment descriptor， multiple instances of a filter may be created by the web container
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关于Servlet Filter，下列说法正确的有（） A、Filter其实就是一个ServletB、Filter可以产生responseC、Filter可以在Servlet被调用之前截获requestD、Filter可以哟活过来处理统一认证，过滤不雅字句等
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在JAVA EE中，使用Servlet过滤器时，可以在web.xml文件的（）元素中包括〈init-param〉元素。A、〈filter〉B、〈filter-mapping〉C、〈filter-name〉D、〈filter-class〉
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What are BCP 38 （Best Common Practices 38）/RFC 2827 Ingress Packet Filtering Principles？（）A、Filter Smurf ICMP packets.B、Filter as close to the core as possibleC、Filter as close to the edge as possibleD、Filter as precisely as possibleE、Filter both source and destination where possible
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When creating a SQL tuning set，which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values？（）A、 Filter versionsB、 Filter loadsC、 Filter tasksD、 Filter options
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单选题关于find（）与filter（）的区别以下描述正确的是（）。A
find（） 是在内存中筛选，filter（）是在所有页面元素中筛选B
find（）在元素内查找后代元素，filter（）是在当前已获得结果中进行筛选C
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find（） 是在父级中筛选，filter（）是在当前已获得结果集中筛选
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单选题You perform a security audit on a server named server1. You install the Microsoft network monitor 3.0 application on server1. You find that only some of the captured frames dsplay host mnemonic names in the source column and the destination column. All other frames display ip addresses. You need to display mnemonic host names instead of ip addresses for all the frames what should you do?（）A
Create a new display filter and apply the filter to the capture.B
Create a new capture filter and apply the filter to the capture.C
Populate the aliases table and apply the aliases to the capture.D
Configure the network monitor application to enable the enable converstations option, recapture the data to a new file.
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多选题You want to create a filter for your web application and your filter will implement javax.servlet.Filter. Which two statements are true？（）AYour filter class must implement an init method and a destroy method.BYour filter class must also implement javax.servlet.FilterChain.CWhen your filter chains to the next filter， it should pass the same arguments it received in its doFiltermethod.DThe method that your filter invokes on the object it received that implements javax.servlet.FilterChaincan invoke either another filter or a servlet.EYour filter class must implement a doFilter method that takes， among other things， anHTTPServletRequest object and an HTTPServletResponse object.
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单选题A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A
The filter will permit the packet and take no additional actionB
The filter will reject the packet and send an ICMP message back to the senderC
The filter will discard the packet and take no additional actionD
The filter will permit the packet and write a log entry to the firewall log
考题
单选题A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?（）A
The filter will permit the packet and take no additional action.B
The filter will reject the packet and send an ICMP message back to the sender.C
The filter will discard the packet and take no additional action.D
The filter will permit the packet and write a log entry to the firewall log.
考题
单选题When creating a SQL tuning set，which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values？（）A
Filter versionsB
Filter loadsC
Filter tasksD
Filter options
考题
多选题Which the three are true about servlet filters？（）AA filter must implement the destroy methodBA filter must implement the doFilter methodCA servlet may have multiple filters associated with itDA servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interfaceEA filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward methodFFor each element in the web application deployment descriptor， multiple instances of a filter may be created by the web container
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单选题You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface.You have decided to use a firewall filter. How should you apply the firewall filter?（）A
as an outbound filter on interface fxp0B
as an outbound filter on interface lo0C
as an inbound filter on interface fxp0D
as an inbound filter on interface lo0
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