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  3. Network Addres Translation(NAT)is an Int

Network Addres Translation(NAT)is an Int

题库2022-08-02  77
问题 Network Addres Translation(NAT)is an Internet standard that enbles a local-area network to use one set of IP addresses for internet traffic and another set of（　　）IP addresses for external traffic.The main use of NAT is to limit the number of public IP addresses that an organization or company must use,for both economy and（　　）purposes.NAT remaps an IP address space into another by modifying network address information in the（　　）header of packets while they are in transit across a traffic routing device.It has become an essential tool in conserving global address space in the face of（　　）address exhaustion.When a packet traverses outside the local network,NAT converts the private IP address to a public IP address.If NAT runs out of public addresses，the packets will be dropped and（　　）"host unreachable"packets will be sent.(1)A.localB.privatec.publicD.dynamic(2)A.politicalB.fairnessc.efficiencyD.security(3)A.MACB.IPc.TCPD.UDP(4)A.IPv4B.IPv6c.MACD.logical(5)A.BGPB.IGMPc.ICMPD.SNMP
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答案 CDBAC
解析
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本试题收录于： 中级 网络工程师题库软件水平考试初中高级分类

中级 网络工程师

软件水平考试初中高级

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