填空题What command with all options and/or parameter will send the signal USR1 to any executing process of  program apache2？（）

第1题

You are connected to a pluggable database (PDB) as a common user with DBA privileges.The STATISTICS_LEVEL parameter is PDB_MODIFIABLE. You execute the following:SQL > ALTER SYSTEM SET STATISTICS_LEVEL = ALL SID = ‘*’ SCOPE = SPFILE;Which is true about the result of this command?（）A. The STATISTICS_LEVEL parameter is set to all whenever this PDB is re-opened.B. The STATISTICS_LEVEL parameter is set to ALL whenever any PDB is reopened.C. The STATISTICS_LEVEL parameter is set to all whenever the multitenant container database (CDB) is restarted.D. Nothing happens; because there is no SPFILE for each PDB, the statement is ignored.

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第2题

You have a login-path named "adamlocal" that was created by using the mysql_config_editor command. You need to check what is defined for this login_path to ensure that it is correct for you deployment.You execute this command:$mysql_config_editor print –login-path=adamlocal What is the expected output of this command?（）A.The command prints all parameter for the login-path. The password is replaced with starsB.The command prints the encrypted entry for the login-path. The is only possible to see if an entry existsC.The command prints all parameters for the login-path. The password is shown only when you provide the –password optionD.The command prints all parameters for the login-path. The password is printed in plain tex

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第3题

In the Cisco IOS, what is the definition of a global command?()A. A command that can be entered in any configuration mode.B. A command that supports all protocols.C. A command that is implemented in all IOS versions.D. A command that is set once and affects the entire router.E. A command that is available in every release of IOS.

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第4题

What is a global command?（）A、A command that is available in every release of IOS, regardless of the version or deployment status.B、A command that can be entered in any configuration mode.C、A command that is universal in application and supports all protocols.D、A command that is implemented in all foreign and domestic IOS version.E、A command that is set once and affects the entire router.

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第5题

What are two characteristics of the OSPF process identifier?（）A、It is needed to identify a unique instance of an OSPF database.B、It is an optional parameter only necessary if multiple OSPF processes are used.C、It is locally significant.D、It is globally insignificantE、All routers in the same OSPF area must have the same process ID to exchange routing information.

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第6题

A System p administrator found a process on the server that should be stopped.  Which of the following commands can be used to list all the signal actions defined for this process（）A、psB、pstatC、lssigD、procsig

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第7题

What is the term that is used to describe the process of converting a signal from digital to analog？（）A、 packetizationB、 quantizationC、 decodingD、 sampling

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