单项选择题
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
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相关考题
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单项选择题
A TestKing PC has the IP address 172.16.209.10 /22. What is the subnet of this address?（）
A.172.16.42.0
B.172.16.107.0
C.172.16.208.0
D.172.16.252.0
E.172.16.254.0
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多项选择题
Your ISP assigned you a full class B address space. From this, you need at least 300 sub-networks that can support at least 50 hosts each. Which of the subnet masksbelow are capable of satisfying your needs?（）
A.255.255.255.0
B.255.255.255.128
C.255.255.252.0
D.255.255.255.224
E.255.255.255.192
F.255.255.248.0 -
单项选择题
How many usable IP addresses can you get from a conventional Class C address?（）
A.128
B.192
C.254
D.256
E.510
