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单选题
What is the purpose of a network mask?（）
A
It is used to identify the maximum hop count of a subnetwork.
B
It is used to identify an IP address as either private or public.
C
It is used to identify the network to which an IP address belongs.
D
It is used to identify the total number of bits present in an IP address.
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考题
单选题Which of the following tools can be used to identify the location of a network outage?（）A
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考题
单选题What is the purpose of a network mask?（）A
It is used in conjunction with the wildcard mask to determine the number of hosts on a networkB
It is used to define which parts of the IP address are allocated to host addresses and network prefixesC
It is used to hide subnets from external networks by masking the subnets with NATD
It is used to differentiate a network as a classful network or a classless network
考题
单选题Inverse ARP is being used in the TestKing frame relay network. What is the purpose of Inverse ARP?（）A
To ma a known IP address to a MAC addressB
To map a known DLCI to a MAC addressC
To ma a known MAC address to an IP addressD
To ma a known DLCI address to a IP addressE
To ma a known IP address to a SPID addressF
To ma a known SPID address to a MAC address
考题
单选题What is the purpose of a network mask?（）A
It is used to identify the maximum hop count of a subnetwork.B
It is used to identify an IP address as either private or public.C
It is used to identify the network to which an IP address belongs.D
It is used to identify the total number of bits present in an IP address.
考题
单选题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 networkE
Non of the above
考题
单选题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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