单选题What command will allow the operator to add the current working directory to the command search path?（）A export PATH=pwdB export PATH=$PWDC export PATH=$PATH:pwdD export PATH=$PATH:$PWD

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第2题：

What are the mandatory， well-known BGP attributes？（）

• A、origin,AS-path,next-hop
• B、AS-path,origin,MED
• C、AS-path,origin,weight
• D、AS-path,weight,MED

第3题：

Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

• A、 export LD_PRELOAD=/usr/local/lib
• B、 export LD_LIBRARY_PATH=/usr/local/lib
• C、 Idconfig /usr/local/lib
• D、 Idd/usr/local/lib

第4题：

What is the default function of a secondary path in MPLS?（）

• A、to act as an equal-cost path to the primary path
• B、to enable another LSP for load balancing
• C、to act as a diverse backup path to the primary path
• D、to allow the use of explicit path selection via EROs

第5题：

Which two are true regarding direct-path exports？（）

• A、Direct-path export is typically faster.
• B、Direct-path export can be invoked interactively.
• C、Direct-path export is character set independent.
• D、Direct-path export bypasses the SQL-command processing layer.
• E、Direct-path export can be used to export rows containing LOBs and BFILEs.

第6题：

Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?（）

• A、One runs faster than the other
• B、A conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERT
• C、A direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERT
• D、The conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE

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第13题：

linux系统中，以下显示结果相同的是（）。

• A、echo The current working path is $PWD.
• B、echo "The current working path is $PWD." Echo hello
• C、echo 'The current working path is $PWD.' Echo hello
• D、echo "The current working path is `pwd`."
• E、echo The current working path is $PWD. Echo hello

第14题：

linux系统中，以下显示结果不同的是（）。

• A、echo The current working path is $PWD.
• B、echo 'The current working path is $PWD.'
• C、echo "The current working path is $PWD."
• D、echo "The current working path is `pwd`."

第15题：

What command will allow the operator to add the current working directory to the command search path?（）

• A、export PATH=pwd
• B、export PATH=$PWD
• C、export PATH=$PATH:pwd
• D、export PATH=$PATH:$PWD

第16题：

Given the following LSP configuration, which statement is true?（）label-switched-path lsp-xyz { to 10.200.1.1; primary path1; secondary path2; secondary path3; no-cspf; } path path1 { 10.200.10.1 strict; } path path2 { 10.200.20.1 strict; } path path3 { 10.200.30.1 loose; }

• A、The router will use path1 when it is available and stable.
• B、The router will use path3 when it is available and stable.
• C、The router will attempt to establish path2 only when path1 and path3 are down.
• D、The router will attempt to establish path1 only when path2 and path3 are down.

第17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 stars
• B、The command prints the encrypted entry for the login-path. The is only possible to see if an entry exists
• C、The command prints all parameters for the login-path. The password is shown only when you provide the  –password option
• D、The command prints all parameters for the login-path. The password is printed in plain tex

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