单选题Which IP block is designated for private network use？（）A 127.0.x.xB 169.0.x.xC 190.100.x.xD 192.168.x.x

第1题

When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）A、network or subnetwork IP addressB、broadcast address on the networkC、IP address leased to the LAND、IP address used by the interfacesE、manually assigned address to the clientsF、designated IP address to the DHCP server

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第2题

Which OSPF network type is ideal for partially meshed NBMA networks because it is easy to configure（requires no configuration of neighbor commands）， consumes only one IP subnet， and requires no designated router election？

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第3题

What is the purpose of a network mask?（）A、It is used to identify the maximum hop count of a subnetworkB、It is used to identify an IP address as either private or publicC、It is used to identify the network to which an IP address belongsD、It is used to identify the total number of bits present in an IP address

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第4题

Which of the following Class A networks is reserved for "private networks" use only？（）A、network 10.0.0.0B、network 127.0.0.0C、network 129.135.0.0D、network 192.168.0.0

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第5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.

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第6题

What will happen if a private IP address is assigned to a public interface connected to an ISP?（）A、Addresses in a private range will be not routed on the Internet backbone.B、Only the ISP router will have the capability to access the public network.C、The NAT process will be used to translate this address in a valid IP address.D、Several automated methods will be necessary on the private network.E、A conflict of IP addresses happens, because other public routers can use the same range.

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第7题

When is it necessary to use a public IP address on a routing interface?（）A、Connect a router on a local network.B、Connect a router to another router.C、Allow distribution of routes between networks.D、Translate a private IP address.E、Connect a network to the Internet.

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