※介绍一下ACL 和NAT？NAT 有几种方式？
※介绍一下ACL 和NAT？NAT 有几种方式？
相关考题：
NAT的主要技术类型有3种,它们是() A.静态NAT、动态NAT和网络地址端口转换NAPTB.集中NAT、分布NAT和网络地址端口转换NAPTC.并行NAT、串行NAT和网络地址端口转换NAPTD.主动NAT、被动NAT和网络地址端口转换NAPT
网络地址转换(NAT)的三种类型是()A.静态NAT、动态NAT和混合NATB.静态NAT、网络地址端口转换NAPT和混合NATC.静态NAT、动态NAT和网络地址端口转换NAPTD.动态NAT、网络地址端口转换NAPT和混合NAT
下列对NAT与IPSEC描述正确的是（）A、因为NAT与IPSEC有冲突，只要有了NAT就不能建立隧道B、因为NAT与IPSEC有冲突，建立隧道时必须使用AHC、因为NAT与IPSEC有冲突，需要通过NATT技术来实现隧道通信D、因为NAT与IPSEC有冲突，需要通过IKE端口实现隧道通信
广电NAT和三大运营商NAT有什么区别（）？A、A广电一般都是多出口，选路和NAT需要同时考虑B、广电的WLAN需要单独部署NAT，运营商不区分业务C、广电不需要NAT，三大运营商都需要部署NATD、广电和三大运营商NAT没有区别
Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, and into the core of an Enterprise network. The branch also allows local hosts to communicate directly with public sites in th e Internet over this same DSL connection. Which of the following answers defines how the branch NAT config avoids performing NAT for the Enterprise directed traffic but does perform NAT for the Internet - directed traffic?（）A、By not enabling NAT on the I Psec tunnel interfaceB、By not enabling NAT on the GRE tunnel interfaceC、By configuring the NAT - referenced ACL to not permit the Enterprise trafficD、By asking the ISP to perform NAT in the cloud
下面关于EasyIP的说法中，错误的是（）。A、EasyIP是NAPT的一种特例B、配置EasyIP时不需要配置ACL来匹配需要被NAT转换的报文C、配置EasyIP时不需要配置NAT地址池D、EasyIP适合用于NAT设备拨号或动态获得公网IP地址的场合
Which statement is true about a NAT rule action of off?（）A、The NAT action of off is only supported for destination NAT rule-sets.B、The NAT action of off is only supported for source NAT rule-sets.C、The NAT action of off is useful for detailed control of NAT.D、The NAT action of off is useful for disabling NAT when a pool is exhausted
单选题Which of the following commands will remove all dynamic entries for a router’s NAT table？（）Aclear nat translationsBclear ip nat translations*Cclear ip nat statisticsDclear ip nat transactions*Eclear ip nat translationsFclear ip nat translations all
单选题Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, and into the core of an Enterprise network. The branch also allows local hosts to communicate directly with public sites in th e Internet over this same DSL connection. Which of the following answers defines how the branch NAT config avoids performing NAT for the Enterprise directed traffic but does perform NAT for the Internet - directed traffic?（）ABy not enabling NAT on the I Psec tunnel interfaceBBy not enabling NAT on the GRE tunnel interfaceCBy configuring the NAT - referenced ACL to not permit the Enterprise trafficDBy asking the ISP to perform NAT in the cloud
填空题NAT有四种类型，分别是完全NAT、（）、端口受限NAT和（）