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What is a valid option when using the ping command?()
- A、packet loss
- B、packet size
- C、CRC
- D、TCP port
参考答案
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For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?()
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What does the FREQ column show when running the tprof option? ()A、Total amount of Ticks used by all usersB、Total amount of Ticks used by all processesC、Total amount of Ticks used by a specific userD、Total amount of Ticks used by a specific type of process
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单选题You are attempting to secure a MySQL server by using SSL encryption. On starting MySQL, you get this error: 130123 10:38:02 [ERROR] mysqld: unknown option '—ssl' What is the cause of the error?()A
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— ssl is not a valid server optionD
The mysqld binary was not compiled with SSL supportE
The server's SSL certificate was invalid
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单选题当某控件对象获得焦点后又失去焦点,将依次激发()事件.A
When Valid GotFocus LostFocusB
When GotFocus Valid LostFocusC
Valid When GotFocus LostFocusD
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单选题Your network contains an enterprise root certification authority (CA). You need to ensure that a certificate issued by the CA is valid. What should you do()A
Run syskey.exe and use the Update option. T.he safer ,easier way to help you pass any IT exams. 4 / 90B
Run sigverif.exe and use the Advanced option. C
Run certutil.exe and specify the -verify parameter. D
Run certreq.exe and specify the -retrieve parameter.
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单选题For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?()A
192.0.2.0B
192.0.2.255C
192.0.3.255D
192.0.4.0
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单选题You are creating an application using Visual Studio 2010. The application consumes a Windows Communication Foundation (WCF) service.You are adding a service reference to the WCF service. You need to ensure that the generated proxy does not block the calling thread when executing a service method. What should you do when adding the service reference? ()A
Set the Collection type to ObservableCollection.B
Select the Reuse types in all referenced assemblies option.C
Select the Generate asynchronous operations option.D
Select the Always generate message contracts option.
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单选题What is a valid option when using the ping command?()A
packet lossB
packet sizeC
CRCD
TCP port
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单选题You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do?()A
Click the Diagnose and repair link.B
Enable the Turn on notification of new networks option.C
Configure the Connect to a network window to show all networks.D
Disable the Connect automatically when this network is in range option, and then enable the Connect even if the network is not broadcasting option.
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单选题When configuring a multipoint GRE (mGRE) tunnel interface, which one of the following is NOT a valid configuration option:()A
tunnel sourceB
tunnel destinationC
tunnel keyD
ip addressE
tunnelvrf
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单选题When configuring the Cisco VPN Client,what action is required prior to installing Mutual Group Authentication?()A
Transparent tunneling must be enabled.B
A valid root certificate must be installed.C
A group pre-shared secret must be properly configured.D
The option to Allow Local LAN Access must be selected.
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单选题What does the FREQ column show when running the tprof option?()A
Total amount of Ticks used by all users B
Total amount of Ticks used by all processes C
Total amount of Ticks used by a specific user D
Total amount of Ticks used by a specific type of process
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