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单选题
An administrator runs mktcpip aixhost 172.168.0.50 enO to change the network address， but the command hangs for an extended period of time. Which of the following is the most likely cause of the problem（）
A
entO is in a defined state
B
enO is currently active
C
There is no physical network adapter on the system
D
The address 172.168.0.50 is in use by another system
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考题
Anadministratorrunsmktcpipaixhost172.168.0.50enOtochangethenetworkaddress,butthecommandhangsforanextendedperiodoftime.Whichofthefollowingisthemostlikelycauseoftheproblem()
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An administrator runs mktcpip aixhost 172.168.0.50 enO to change the network address， but the command hangs for an extended period of time. Which of the following is the most likely cause of the problem（）A、entO is in a defined stateB、enO is currently activeC、There is no physical network adapter on the systemD、The address 172.168.0.50 is in use by another system
考题
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考题
单选题A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）A
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Increase the physical memory.C
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Set the PSALLOC environment variable to ’early’.
考题
单选题An administrator performs a Live Partition Mobility operation. After the operation completes， the administrator runs errpt -a. What is the machine ID reported by errpt command？（）A
The machine ID of the machine that logged the errorB
The machine ID of the machine that it is currently running onC
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单选题设有关系WORK（ENO，CNO，PAY），主码为（ENO，CNO）。按照实体完整性规则（）A
只有ENO不能取空值B
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只有PAY不能取空值D
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考题
单选题An administrator attempts to install the latest security patches for an older server. When the administrator runs the patch installer, the install fails. The administrator tries again, and the installer fails again. Which of the following is the MOST likely reason for this?（）A
The administrator improperly configured the virtual memory settings on the server.B
The administrator is using incorrect patch switches for the install.C
The administrator is trying to install security patches for software that is not installed.D
The administrator is trying to install patches that require hard drive encryption on the server.
考题
单选题You are developing an application that runs by using the credentials of the end user. Only users who are members of the Administrator group get permission to run the application. You write the following security code to protect sensitive data within the application.bool isAdmin=false； WindowsBuiltInRole role=WindowsBuiltInRole.Administrator； ...... if（!isAdmin） throw new Exception（"User not permitted"）； You need to add a code segment to this security code to ensure that the application throws an exception if a user is not a member of the Administrator group. Which code segment should you use？（）A
AB
BC
CD
D
考题
单选题An administrator runs mktcpip aixhost 172.168.0.50 enO to change the network address， but the command hangs for an extended period of time. Which of the following is the most likely cause of the problem（）A
entO is in a defined stateB
enO is currently activeC
There is no physical network adapter on the systemD
The address 172.168.0.50 is in use by another system
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