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Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?（）A、NATB、SubnettingC、DHCPD、DNS

题目

Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?（）

  • A、NAT
  • B、Subnetting
  • C、DHCP
  • D、DNS
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相似问题和答案

第1题：

A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?()

A.NAT

B.IDS

C.NMAP

D.DMZ


参考答案：A

第2题：

Which of the following allows a technician to mask a private network of IP addresses behind onepublic IP address?()

A.NAT

B.Subnetting

C.DHCP

D.DNS


参考答案：A

第3题：

Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, default gateways, and DNS server information?

A. CDP

B. SNMP

C. DHCP

D. ARP

E. DNS

F. None of the above


正确答案：C
C 解析：Explanation:
DHCP uses the concept of the client making a request and the server supplying the IP address to the client, plus other information such as the default gateway, subnet mask, DNS IP address, and other information.

Incorrect Answers:
A. CDP is the Cisco Discovery Protocol. It is used by Cisco devices at the data link layer to obtain information about their directly connected neighbors.

B. SNMP is the Simple Network Management Protocol. This is used for the maintenance, management, and monitoring of network devices.

D. ARP is the Address Resolution Protocol, which is used to resolve layer 2 MAC addresses to layer 3 IP addresses.

E. DNS is the Domain Name Service. It is used to resolve domain names (for example, www.ezonexam.com) to IP addresses. The IP address location of primary and secondary DNS resolver servers can be obtained for hosts using DHCP.

第4题：

Which one of the following varieties of NAT utilizes different ports to map multiple IP addresses to a single globally registered IP address?（）

  • A、Static NAT
  • B、Port loading
  • C、NAT Overloading
  • D、Dynamic NAT
  • E、None of the above

正确答案:C

第5题：

Which of the following IP addresses is a private IP address? Select all that apply.()

A.12.0.0.1

B.168.172.19.39

C.172.20.14.36

D.172.33.194.30

E.192.168.42.34


参考答案：C, E

第6题：

In order for computers with private IP addresses to access the public Internet, which of thefollowing must the router perform?()

A.NAT

B.BGP

C.DHCP

D.APIPA


参考答案：A

第7题：

An administrator is setting up a network and would like to prevent users from having the ability toplug their PC into the network to receive an IP address.Which of the following addressing schemes should the technician use?（）

A.NAT

B.Dynamic

C.Subnetting

D.Static


参考答案：D

第8题：

Which of the following processes translates a private IP address for a public IP address?()

A.NAT

B.DNS

C.DHCP

D.PAT


参考答案：A

第9题：

An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）

A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9

B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1

C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25

D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17

E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25


参考答案：C

第10题：

A router that takes the workstations internal IP address and changes it to another IP address whenit sends the data outside of the network is an example of which of the following?（）

  • A、NAT
  • B、IDS
  • C、NMAP
  • D、DMZ

正确答案:A

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