单选题For an enterprise to use one of the reserved private IP address ranges, as best practice they shouldcoordinate with:（）A their legal departmentB IANAC IEEED their IT department

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单选题

For an enterprise to use one of the reserved private IP address ranges, as best practice they shouldcoordinate with:（）

their legal department

IANA

IEEE

their IT department

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第1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 without permission 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（）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.absolutely

B.completely

C.internally

D.externally

A.local

B.outside

C.middle

D.around

A.private

B.common

C.public

D.external

A.unique

B.observable

C.particular

D.ordinary

A.reject

B.receive

C.deny

D.forward

请帮忙给出每个问题的正确答案和分析，谢谢！

问题 1 答案解析：C

问题 2 答案解析：B

问题 3 答案解析：A

问题 4 答案解析：A

问题 5 答案解析：D

第2题：

取得客户端的IP地址的方法是：

A.Request.servervariables("REMOTE_ADDR")

B.Request.servervariables("REMOTE_IP")

C.Request.servervariables("REMOTE_ADDR ")

D.Request.servervariables("REMOTE_IP ")

正确答案：C

第3题：

private means only for use of one particular person or group, not for everyone.()

此题为判断题(对，错)。

参考答案：对

第4题：

Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? ()

A.The subnet mask in use is 255.255.255.192.

B.The subnet mask in use is 255.255.255.128.

C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1

D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1

E.The LAN interface of the router is configured with one IP address.

F.The LAN interface of the router is configured with multiple IP addresses.

参考答案：B, C, F

第5题：

A computer configured to use DHCP cannot locate a DHCP server. Automatic Private IP Address(APIPA) will assign which of the following addresse?()

A.172.16.1.25

B.169.254.1.25

C.10.16.1.25

D.192.168.1.25

参考答案：B

第6题：

A reserved person is one who does not ______, and seldom gets excited.

正确答案：

第7题：

Ezonexam is migrating to a private IP addressing scheme. Which of the following describe the use of private IP addresses? (Choose two)

A．Addresses chosen by Ezonexam.com to communicate with the Internet.

B．Addresses that cannot be routed through the public Internet.

C．Addresses that can be routed through the public Internet.

D．A scheme to conserve public addresses.

E．Addresses licensed to enterprise or ISPs by an Internet registry organization.

正确答案：BD
解析：Explanation:
Private IP address space has been allocated via RFC 1918. This means the addresses are available for any use by anyone and therefore the same private IP addresses can be reused. However they are defined as not routable on the public Internet. They are used extensively in private networks due to the shortage of publicly registered IP address space and therefore network address translation is required to connect those networks to the Internet.

第8题：

下列哪个集合可以返回客户端IP地址( )。

A.Request ("REMOTE_ADDR")

B.Request.ServerVariables("REMOTE_ADDR")

C.Request.ServerVariables("IP")Request.ServerVariables("LOCAL_ADDR")

正确答案:AB

第9题：

What is the principle reason to use a private IP address on an internal network?()

A. Subnet strategy for private companies.

B. Manage and scale the growth of the internal network.

C. Conserve public IP addresses so that we do not run out of them.

D. Allow access reserved to the devices.

参考答案：C

第10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。

For an enterprise to use one of the reserved private IP addr

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