A user sends you an email with the following error message： 

第1题：

You executed the following command in the lsnrctl utility to stop the listener： lsnrctl> STOP L1  What is the effect of this command if L1 is the only listener configured for your database？（）

• A、It terminates all user sessions.
• B、It prevents users from logging in to the database remotely.
• C、It halts the server until all user transactions are completed.
• D、The server hangs， so users will receive an error asking them to login again.
• E、Connected users would get an error with the message "End of communication channel".

第2题：

A user reports their system is displaying an error message ‘NTLDR is missing’. Which of the following is the MOST likely cause for this error?（）

• A、BOOT.INI file is configured incorrectly
• B、Corrupt MBR
• C、Boot sector virus
• D、System file is missing components

第3题：

第4题：

When you try to open your database， you receive the following error：  ORA-00205： error in identifying control file   Where would you find the details required to resolve this error？（）

• A、audit trail
• B、alert log file
• C、user trace file
• D、online trace file
• E、background trace file
• F、operating system event viewer

第5题：

You are creating an error page that provides a user-friendly screen whenever a server exception occurs.You want to hide the stack trace， but you do want to provide the exception’s error message to the user sothe user can provide it to the customer service agent at your company.  Which EL code snippet inserts thiserror message into the error page？（）

• A、Message： <b>${exception.message}</b>
• B、Message： <b>${exception.errorMessage}</b>
• C、Message： <b>${request.exception.message}</b>
• D、Message： <b>${pageContext.exception.message}</b>
• E、Message： <b>${request.exception.errorMessage}</b>

第6题：

A router receives a packet from a neighbor with an MPLS shim header value of 0.What does the router do with this packet?（）

• A、It performs a label pop operation and an IP lookup.
• B、It performs a label swap operation and an IP lookup.
• C、It sends an error message toward the egress router.
• D、It sends an error message toward the ingress router.

第7题：

A user has been having difficulty with their PC. Which of the following is the BEST response atechnician should give when a user asks for the definition of a particular bluescreen message?（）

• A、“It is a message that informs the technician of what hardware needs to be replaced.”
• B、“A bluescreen message is just another name for an error.”
• C、“It provides the technician with more information about the problem.”
• D、“It is a complex message that is very difficult to explain to those who are not familiar with computers.”

第8题：

第9题：

You work as a database administrator for Supportcenter.cn. When you tried to connect to the database， you received the following error：   ERROR：   ORA-12541：TNS：no_listener   You found that the listener is not running on the server， so you issued the following command in the Listener Control utility to start the listener.   lsnrctl>START   What statement is true？（）

• A、It would attempt to start the default listener
• B、It would start the most recently created listener.
• C、It would display an error with a message asking for the listener name to be specified.
• D、It would show you a list of listeners and prompts for the listener name that you want to start.

第10题：

A user has a computer that runs Windows XP Professional. The user attempts to connect to the computer by using a Remote Desktop Connection and receives the following error message: “The local policy of the system does not permit you to log on interactively.” You need to ensure that the user can log on to the computer by using a Remote Desktop Connection. What should you do?（） 

• A、From the System settings, disable Remote Assistance.
• B、Add the user's account to the Remote Desktop Users group. 
• C、From Windows Firewall, modify the scope of the Remote Desktop exception. 
• D、Set the Remote Desktop Help Session Manager service Startup type to Automatic, and then start the service.