单选题A system is experiencing performance problems.  After checking the CPU usage, the problem identified is that the system is "CPU Bound".  Which of the following outcomes will determine if there is a possible CPU constraint?（）ALow paging BHigh paging CWo

第1题：

Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）

• A、 istat
• B、 topas
• C、 vmstat
• D、 filemon

第2题：

An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）

• A、at -l
• B、jobs -l
• C、sched -l
• D、crontab -l

第3题：

Using the following information: Performance data from an existing system that a new system will replace; Performance estimates that anticipate future workloads; Micro-partitioning and logical partitioning implementations. Which of the following allows a technical sales representative to create a system design which can be imported into an HMC?（）

• A、IBMeConfig
• B、IBM Performance Monitor
• C、IBM Workload Estimator (WLE)
• D、IBM System Planning Tool (SPT)

第4题：

After completing an installation of new software， a system administrator notices the system is slow.  To troubleshoot the performance， which single AIX command could be used to provide a real-time display of CPU， memory and disk utilization（）

• A、topas
• B、vmo
• C、iostat
• D、netstat

第5题：

Which of the following sequences of steps can be used to increase the amount of virtual memory （page memory） available to Windows？（）

• A、Start > Control Panel > System > Advanced tab > Startup and Recovery > Advanced tab > Settings > Advanced tab
• B、Start > Control Panel > System > General tab > Under Performance > Settings > Advanced tab  
• C、Start > Control Panel > System > Advanced tab > Under Performance > Settings > Advanced tab  
• D、Start > Control Panel > System > Performance tab > Under Performance > Settings > Advanced tab

第6题：

After installing a new p5 595, the system performs poorly. Which of the following services would provide updates needed to fix the problem?（）

• A、Alert
• B、Fix Central
• C、Software Maintenance
• D、Performance Monitoring

第7题：

A customer using an IBM System Storage DS8300 is facing performance problems. After the analysis by the technical specialist， the diagnosis indicates that the cache hits may be improved by a cache upgrade.  How can the system be monitored in order to check the benefits of the cache upgrade（）

• A、using the "vmstat" command on the AIX servers connected via SAN to the DS8300 system
• B、looking at the number of I/O managed by the DS8300 system
• C、reading the performance reports via TotalStorage Productivity Center for Disk
• D、generating reports using the TotalStorage Expert

第8题：

A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）

• A、An IEEE-1394 device
• B、A NIC device
• C、An IrDA device
• D、A FDD device

第9题：

A customer has 5 older POWER5 systems and they want to consolidate them onto a POWER6 system. What information is important to analyze when deciding how to design the new machine using the System Planning Tool?（）

• A、 vmstat and iostat data from the older machines 
• B、 The number of CPUs that were installed in the original machines 
• C、 Data from Workload Estimator (WLE) and IBM Performance Management (PM) 
• D、 Performance data that is collected from the new system after it has been put into production

第10题：

A DNS server for a large network is experiencing performance problems.  Which of the following options is the best solution to fix the problem？（）

• A、Enable NIS
• B、Purchase a larger server
• C、Use /etc/hosts on all of the systems
• D、Create secondary name servers throughout the network