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NAT中inside local和inside

题目

NAT中inside local和inside global之间的关系并描述其作用。

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相似问题和答案

第1题：

Giventhe topology ofaserver（withIP209.165.202.150）protectedbehindtheinsideinterfaceofanASA/PIX，andtheInternetontheoutsideinterface.UsersontheInternetneedtoaccesstheserveratanytime，butthefirewalladministratordoesnotwanttoNATtheaddressoftheserver-sinceitiscurrentlyapublicaddress.Whichofthefollowingcommandscanbeusedtoaccomplishthis？（）

A.nat（inside）0209.165.202.150255.255.255.255

B.access-listno-natpermitiphost209.165.202.150anynat（inside）0access-listno-nat

C.static（inside，outside）209.165.202.150209.165.202.150netmask255.255.255.255

D.nonat-control

E.nat（inside）1209.165.202.150255.255.255.255


参考答案：B, C, D

第2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


参考答案：C

第3题：

In the experiment, the burning inside the bottle can___.

A. equalize the air pressure inside and outside

B. make a seal in the neck of the bottle

C. finish up the oxygen inside the bottle

D. produce more oxygen inside the bottle


正确答案：C

第4题：

以下关于NAT说法正确的是（）

  • A、NAT与策略路由不能同时配置
  • B、NAT的地址池可以与出接口地址在不同网段
  • C、多出口NAT的地址池中每个地址段都需要与inside口对应
  • D、多出口NAT的地址池中每个地址段都需要和outside口对应

正确答案:B,D

第5题：

路由器配置中，静态NAT映射的命令是（）。

  • A、ip nat inside source static 61.51.3.104 10.83.91.2
  • B、ip nat inside
  • C、ip nat outside
  • D、access-list 1 permit 10.83.91.0 0.0.1.255

正确答案:A

第6题：

Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?()

A.tunneling

B.hashing

C.routing

D.NAT


参考答案：A

第7题：

The number of home users and small businesses that want to use the Internet is ever increasing. The shortage of addresses is becoming a serious problem. A quick solution to this problem is called network address translation(NAT).NAT enables a user to have a large set of addresses（ ）and one address, or a smallset of addresses,externally. The traffic inside can use the large set; the traffic（ ）, the small set. To separate the addresses used inside the home or business and the ones used for the Internet, the Internet authorities have reserved three sets of addresses as （ ） addresses. Any organization can use an address out of this set withoutpermission from the Internet authorities. Everyone knows that these reserved addresses are for private networks.They are （ ） inside the organization, but they are not unique globally. No router will （请作答此空） a packet that has one of these addresses as the destination address.The site must have only one single connection to the global Internet through a router that runs the NAT software.

A.reject
B.receive
C.deny
D.forward

答案：D
解析：
理解NAT的基本工作原理，这题就简单了。

第8题：

In any NAT (network address translation) configuration, what is the Inside Global IP address?()

A. The summarized address for all internal subnetted addresses.

B. A private IP address assigned to a host on the inside network.

C. A registered address that represents an inside host to an outside network.

D. A unique IP address used on an internal network

E. Non of the above


参考答案：C

第9题：

某公司的机房有一台服务器，其IP地址为172.16.5.3，公司路由器的外网口为Fastethernet0/1，其IP地址为219.14.71.5。管理员要在下班回家后通过windows远程桌面访问该服务器，以下哪种操作均可以实现此需求？（）

  • A、ip nat inside source static tcp 172.16.5.33389219.14.71.59000
  • B、ip nat inside source static udp 172.16.5.33389219.14.71.59000
  • C、ip nat inside source static tcp 172.16.5.33389 interface fastethernet 0/19000
  • D、ip nat inside source static udp 172.16.5.33389 interface fastethernet 0/19000

正确答案:A,C

第10题：

静态NAT的cisco路由器的配置，正确的指令是（）

  • A、ip nat inside source static 192.168.0.3 211.139.250.234
  • B、ip nat inside source static 192.168.0.3 255.255.255.248 211.139.250.234
  • C、ip nat inside source static 192.168.0.3 211.139.250.234 255.255.255.248
  • D、ip nat inside source static 211.139.250.234 192.168.0.3

正确答案:B

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