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单选题
Which of the following is a valid Class A TCP/IP address?（）
A
10.20.210.200
B
99.55.44.255
C
127.10.52.45
D
172.24.168.20
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The IP address 192.168.100.1 belongs to which class of IP address space?()
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The IP address 10.1.1.1 belongs to which class of IP address space?()
A.ClassAB.ClassBC.ClassCD.ClassD
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Which of the following is an example of a Class B TCP／IP address?()
A.4.4.4.2B.122.29.38.110C.155.43.29.219D.199.200.201.202
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Which of the following is the subnet mask for a Class C IP address?()
A.10.0.0.1B.192.168.1.1C.255.255.0.0D.255.255.255.0
考题
Which of the following is a valid Class A TCP／IP address?()
A.10.20.210.200B.99.55.44.255C.127.10.52.45D.172.24.168.20
考题
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.
考题
Which of the following is a valid IP address in the public addressing scheme?()
A.10.20.1.1B.168.192.10.1C.233.10.20.1D.172.20.10.1
考题
Which of the following descriptions about IP spoofing is correct？（）A、IP source address is forgedB、IP destination address is forgedC、IP TCP source port is forgedD、IP TCP destination port is forgedE、None of above
考题
Which of the following is a valid IP address in the public addressing scheme?（）A、10.20.1.1B、168.192.10.1C、233.10.20.1D、172.20.10.1
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Which of the following is the subnet mask for a Class C IP address?（）A、10.0.0.1B、192.168.1.1C、255.255.0.0D、255.255.255.0
考题
A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0. Once a ping is attempted， it fails. Which of the following options is the most probable cause of the failed ping？（）A、0 is not valid in an IP addressB、128 is a reserved networkC、The subnet mask should be 255.255.0.0. since it is a class BD、A network problem has occurred since IP and subnet are valid
考题
The IP address 10.1.1.1 belongs to which class of IP address space?（）A、ClassAB、ClassBC、ClassCD、ClassD
考题
The IP address 192.168.100.1 belongs to which class of IP address space?（）A、Class AB、Class BC、Class CD、Class D
考题
Which of the following TCP/IP addresses is a Class C address?（）A、10.0.0.1B、12.78.1.1C、172.16.1.1D、192.168.1.1
考题
Which of the following is a valid Class A TCP/IP address?（）A、10.20.210.200B、99.55.44.255C、127.10.52.45D、172.24.168.20
考题
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.
考题
Which of the following options is a valid host IP address？（）A、129.0.0.99B、129.255.0.1C、224.0.0.1D、254.0.0.1
考题
单选题A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0. Once a ping is attempted， it fails. Which of the following options is the most probable cause of the failed ping？（）A
0 is not valid in an IP addressB
128 is a reserved networkC
The subnet mask should be 255.255.0.0. since it is a class BD
A network problem has occurred since IP and subnet are valid
考题
单选题Which of the following is a valid IP address in the public addressing scheme?（）A
10.20.1.1B
168.192.10.1C
233.10.20.1D
172.20.10.1
考题
单选题Which of the following TCP/IP addresses is a Class C address?（）A
10.0.0.1B
12.78.1.1C
172.16.1.1D
192.168.1.1
考题
单选题Which of the following processes translates a private IP address for a public IP address?（）A
NATB
DNSC
DHCPD
PAT
考题
单选题Which of the following descriptions about IP spoofing is correct？（）A
IP source address is forgedB
IP destination address is forgedC
IP TCP source port is forgedD
IP TCP destination port is forgedE
None of above
考题
单选题The IP address 10.1.1.1 belongs to which class of IP address space?（）A
ClassAB
ClassBC
ClassCD
ClassD
考题
单选题The IP address 192.168.100.1 belongs to which class of IP address space?（）A
Class AB
Class BC
Class CD
Class D
考题
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.
考题
单选题Which of the following options is a valid host IP address？（）A
129.0.0.99B
129.255.0.1C
224.0.0.1D
254.0.0.1
考题
单选题Which of the following is the subnet mask for a Class C IP address?（）A
10.0.0.1B
192.168.1.1C
255.255.0.0D
255.255.255.0
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