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【单项选择题】

An administrator receives a call from a user who is unable to receive email. After troubleshooting the administrator is able to resolve the issue and verify that user is able to access email again.<br /> Which of the following is the NEXT step that the administrator should take?（）<p> An administrator receives a call from a user who is unable to receive email. After troubleshooting the administrator is able to resolve the issue and verify that user is able to access email again.<br /> Which of the following is the NEXT step that the administrator should take?（）</p>

A、A. Implement preventative measures.

B、B. Close the issue.

C、C. Document the outcome.

D、D. Question other users to make sure they are not having the same issue

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更多“An administrator receives a call from a user who is unable to receive email. After troubleshooting the administrator is able to resolve the issue and verify that user is able to access email again.<br /> Which of the following is the NEXT step that the administrator should take?（）<p> An administrator receives a call from a user who is unable to receive email. After troubleshooting the administrator is able to resolve the issue and verify that user is able to access email again.<br /> Which of the following is the NEXT step that the administrator should take?（）</p>”相关的问题
第1题
[单选题] 下列哪一项可以正确地引用该记录变量中的一个值？（）

A、rec_abc（1）  B、rec_abc（1）.col  C、rec_abc.col  D、rec_abc.first（）  

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第2题
[单选题] 在下列表型中，（）是基因工程上理想的受体菌表型。

A、r+m+rec+  B、r-m-rec-  C、r－m-rec+  D、r+m+rec-  

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第3题
[] An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production. Which of the following steps should the administrator take next?（） An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production. Which of the following steps should the administrator take next?（）

A、A. Identify necessary operating system updates  B、B. Implement the change  C、C. Document the change  D、D. Schedule system down time  

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第4题
[单选题] An administrator is experiencing availability issues on a Linux server. The administrator decides tocheck the server for an IP address conflict on the server. Which of the following commands should the administrator use?（）

A、traceroute  B、tracert  C、ifconfig  D、ipconfig  

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第5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.  

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第6题
[简答题] 已知：介质为25℃的空气、水及14号润滑油，外掠平板边界层的流动由层流转变为湍流的灵界雷诺数Rec=5×105，um=1m/s。求：以上三种介质达到Rec时所需的平板长度。

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第7题
[] An administrator has an existing HMC and POWER6 570 connected to a network switch. The administrator is planning to install two POWER6 570s with a dedicated HMC. Which infrastructure is required for the new HMC?（） An administrator has an existing HMC and POWER6 570 connected to a network switch. The administrator is planning to install two POWER6 570s with a dedicated HMC. Which infrastructure is required for the new HMC?（）

A、A.An additional switch for the new HMC  B、B.Asynchronous adapters on the new HMC  C、C.The two 570 servers are directly connected to the new HMC  D、D.One 570 is directly connected to the new HMC and the other is directly connected to the existing HMC  

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第8题
[] An administrator is using a protocol analyzer to monitor traffic between two servers. However, the only traffic that appears is broadcast and traffic originating from the administrator's PC. Which of the following devices is the administrator plugged into? （） An administrator is using a protocol analyzer to monitor traffic between two servers. However, the only traffic that appears is broadcast and traffic originating from the administrator's PC. Which of the following devices is the administrator plugged into? （）

A、A.Hub  B、B. Bridge  C、C. Switch  D、D. Router  

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第9题
[] An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device. What is the appropriate method to resolve this issue?（） An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device. What is the appropriate method to resolve this issue?（）

A、A.Set the block size to 0.  B、B.Read the tape using the tctl command.  C、C.Use the 'cpio' command to override tape device settings.  D、D.Run the 'dd' command to identify the block size from the tape.  

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第10题
[单选题] typedef struct{ int num; char *name; } vec_rec; 则在IA32机器上，sizeof(vec_rec) = （）

A、4  B、8  C、12  D、16  

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