In the Ezonexam switched LAN environment, what does the IEEE 802.1Q standard describe?
A. VLAN pruning
B. A method of VLAN trunking
C. An approach to wireless LAN communication
D. The operation of VTP
E. The process for root bridge selection
F. None of the above
第3题
第4题
第5题
下列程序是判断一个整数(>=3)是否为素数,请补充完整。 Dim n As Integer n=InputBox("请输入一个整数(>=3)") k=Int(Sqr(n)) i=2 swit=0 While i<=k And swit=0 If n Mod i=0 Then 【 】 Else 【 】 End If Wend If swit=0 Then Print n;"是一个素数。" Else Print n;"不是一个素数。" End If
第6题
A Ezonexam 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
第7题
In which of the following situations is biometric technology NOT used?
A.Computers are switched on by a voice order.
B.Doctors diagnose disease through patients' voice.
C.Museum doors are controlled by palm scanner.
D.The police identify criminals through fingerprints.
第8题
In which of the following situations is biometric technology NOT used?
A.Computers are switched on by a voice order.
B.Doctors diagnose disease through patients' voice.
C.Museum doors are controlled by palm scanner.
D.The police identify criminals through fingerprints.
第9题
当处理一个问题时的循环次数已知时,最好采用()语句来解决。
A. for
B. while
c. do-while
D. switch
第10题
A. The EZONEXAM VLAN must be created.
B. The desired ports must be added to the new EZONEXAM VLAN.
C. The EZONEXAM VLAN must be added to all of the domains.
D. The EZONEXAM VLAN must be named.
E. An IP address must be configured for the EZONEXAM VLAN.
F. None of the above. VLAN creations are automatic.
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