思科认证考试

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 repres

题目

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
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相似问题和答案

第1题：

Which functionality is required within an IP router that is situated at the boundary of an IPv4 network and an IPv6 network to allow communication between IPv6－ only and IPv4 － only nodes?()

A. Autoconfiguration

B. Automatic 6to4 Tunnel

C. Automatic 6to4 Relay

D. Network Address Translator - Protocol Translator (NAT - PT)

E. Intrasite Automatic T unnel Address Protocol (ISATAP)


参考答案：D

第2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3题：

What refers to the protocols used to determine who goes next on a multi-access channel?(29)

A．MAC(medium access control)

B．ARP(address resolution protocol)

C．NAT(network address translation)

D．CIDR(classless interdomain routing)


正确答案：A

第4题：

Which three methods of source NAT does JUNOS Software support？（）

  • A、interface-based source NAT
  • B、source NAT with address shifting
  • C、source NAT using static source pool
  • D、interface-based source NAT without PAT
  • E、source NAT with address shifting and PAT

正确答案:A,B,C

第5题：

Given the topology of a server （with IP 209.165.202.150） protected behind the inside interface of an ASA/PIX，and the Internet on the outside interface. Users on the Internet need to access the server at any time， but the firewall administrator does not want to NAT the address of the server - since itis currentlya public address. Which of the following commands can be used to accomplish this？ （）

  • A、 nat （inside） 0 209.165.202.150 255.255.255.255
  • B、 access-list no-nat permit ip host209.165.202.150 anynat（inside） 0 access-list no-nat
  • C、 static（inside，outside） 209.165.202.150 209.165.202.150 netmask 255.255.255.255
  • D、 no nat-control
  • E、 nat （inside） 1 209.165.202.150 255.255.255.255

正确答案:B,C,D

第6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7题：

What does the "Inside Global" address represent in the configuration of NAT?（）

  • A、the summarized address for all of the internal subnetted addresses
  • B、the MAC address of the router used by inside hosts to connect to the Internet
  • C、a globally unique， private IP address assigned to a host on the inside network
  • D、a registered address that represents an inside host to an outside network

正确答案:D

第8题：

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation.Which type of NAT must you configure?（）

A. source NAT with address shifting

B. pool-based source NAT

C. static destination NAT

D. pool-based destination NAT


参考答案：D

第9题：

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation. Which type of NAT must you configure?（）

  • A、source NAT with address shifting
  • B、pool-based source NAT
  • C、static destination NAT
  • D、pool-based destination NAT

正确答案:D

第10题：

Which functionality is required within an IP router that is situated at the boundary of an  IPv4 network and an IPv6 network to allow communication between IPv6- only and IPv4 - only nodes?（）

  • A、Autoconfiguration
  • B、Automatic 6to4 Tunnel
  • C、Automatic 6to4 Relay
  • D、Network Address Translator - Protocol Translator (NAT - PT)
  • E、Intrasite Automatic T unnel Address Protocol (ISATAP)

正确答案:D

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