单项选择题
Your TestKing trainee Bob asks you what 11111001 binary is in decimal. What should you tell him?（）
A.6
B.193
C.225
D.241
E.249
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相关考题
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单项选择题
You work as network consultant. Your customer, TestKing Inc, has a class C network license. TestKing wants you to subnet the network to provide a separate subnet for each of its 5 departments. Each subnet must support at least 24 hosts. Which network mask should you use?（）
A.255.255.255.192
B.255.255.255.224
C.255.255.255.240
D.255.255.255.248
E.255.255.255.252
F.255.255.255.254 -
单项选择题
If an Ethernet port on router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?（）
A. 1024
B. 2046
C. 4094
D. 4096
E. 8190 -
多项选择题
Which of the following IP addresses fall into the CIDR block of 115.54.4.0/22? （）
A. 115.54.8.32
B. 115.54.7.64
C. 115.54.6.255
D. 115.54.3.32
E. 115.54.5.128
F. 115.54.12.128
