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单选题
Which of the following is true about an IP address if the first bit is a zero?（）
A
The address is a Class A address.
B
The address is a Class B address.
C
The address is a Class C address.
D
The address is a Class D address.
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更多 “单选题Which of the following is true about an IP address if the first bit is a zero?（）A The address is a Class A address.B The address is a Class B address.C The address is a Class C address.D The address is a Class D address.” 相关考题
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Which of the following is true about an IP address if the first bit is a zero?（）A、The address is a Class A address.B、The address is a Class B address.C、The address is a Class C address.D、The address is a Class D address.
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考题
单选题Which of the following commands provides data plane information required to forward a packet toa specific ip address？（）A
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sh adjacency 〈ip_address〉D
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考题
多选题Which two statements about subnet masks are true?（）AIf a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.BIf a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.CIf a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.DIf a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.
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单选题Which of the following descriptions about IP spoofing is correct？（）A
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IP TCP destination port is forgedE
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