对于NAT（Network Address Translation）下面（）描述是正确的。..

第1题

[多选题] What are two benefits of using NAT？（）

A、NAT protects network security because privat enetworks are not advertised. B、NAT accelerates the routing process because no modifications are made on the packets. C、Dynamic NAT facilitates connections from the outside of the network. D、NAT facilitates end-to-end communication when IPsec is enable. E、NAT eliminates the need to re-address all host that require extemal access. F、NAT conserves addresses through host MAC-level multiplexing.

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第2题

[多选题] What are two benefits of using NAT?（）

A、NAT protects network security because privat enetworks are not advertised. B、NAT accelerates the routing process because no modifications are made on the packets. C、Dynamic NAT facilitates connections from the outside of the network. D、NAT facilitates end-to-end communication when IPsec is enable. E、NAT eliminates the need to re-address all host that require extemal access. F、NAT conserves addresses through host MAC-level multiplexing.

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第3题

[多选题] What are two benefits of using NAT?（）

A、NAT protects network security because private networks are not advertised. B、NAT accelerates the routing process because no modifications are made on the packets. C、Dynamic NAT facilitates connections from the outside of the network. D、NAT facilitates end-to-end communication when IPsec is enable. E、NAT eliminates the need to re-address all host that require extemal access. F、NAT conserves addresses through host MAC-level multiplexing.

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第4题

[多选题] What are two benefits of using NAT?（）

A、NAT protects network security because private networks are not advertised. B、NAT accelerates the routing process because no modifications are made on the packets. C、Dynamic NAT facilitates connections from the outside of the network. D、NAT facilitates end-to-end communication when IPsec is enable. E、NAT eliminates the need to re-address all host that require extemal access. F、NAT conserves addresses through host MAC-level multiplexing.

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第5题

[多选题] What are two benefits of using NAT?（）

A、NAT protects network security because private networks are not advertised. B、NAT accelerates the routing process because no modifications are made on the packets. C、Dynamic NAT facilitates connections from the outside of the network. D、NAT facilitates end-to-end communication when IPsec is enable. E、NAT eliminates the need to re-address all host that require extemal access. F、NAT conserves addresses through host MAC-level multiplexing.

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第6题

[单选题] 下列关于GRE穿越NAT的说法正确的是（）。

A、普通的源/目的地址作转化的NAT，标准GRE封装协议报文不可以正常穿越 B、对于基于端口或协议的NAT，即NATPT来说，标准GRE协议报文可以正常穿越，且可以区分相同源地址发起的不同GRE隧道 C、对于基于端口或协议的NAT，即NATPT来说，GRE可以通过KEY选项来区分相同源地址发起的不同GRE隧道 D、对于基于端口或协议的NAT，即NATPT来说，GRE可以通过Sequence Number选项来区分相同源地址发起的不同GRE隧道

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第7题

[单选题] Your network contains a server named Server1 that has the Routing role service installed. Server1 has two network connections. One network connection connects to the internal network. The other network connection connects to the Internet.All network connections connected to the internal network use private IP addresses. You install a Web server named Web1. Web1 hosts a secured Web site that only allows connections over TCP port 8281. Web1 is connected to the internal network.You need to ensure that the secure Web site can be accessed from the Internet.What should you do from the Routing and Remote Access console？（）

A、Configure Routing Information Protocol (RIP), and then activate authentication on the RIP interface. B、Configure Routing Information Protocol (RIP), and then configure the incoming packet protocol settings on the RIP interface. C、Configure Network Address Translation (NAT), and then add a new service to the NAT interface. D、Configure Network Address Translation (NAT), and then enable the Secure Web Server (HTTPS) service on the NAT interface.

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第8题

[单选题] Refer to the exhibit. What command sequence will enable PAT from the inside to outside network?（）

A、(config) ip nat pool isp-net 1.2.4.2 netmask 255.255.255.0 overload B、(config-if) ip nat outside overload C、(config) ip nat inside source list 1 interface ethernet1 overload D、(config-if) ip nat inside overload

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第9题

[单选题] Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network addres?（）

A、172.16.16.0 B、172.16.24.0 C、172.16.0.0 D、172.16.28.0

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对于NAT（Network Address Translation）下面（）描述是正确的。

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