搜题

【单选题】

A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue.<br /> Which of the following is MOST likely causing this PC’s issue?（）

A、Faulty RAM

B、240 volt Kitchen outlets

C、Power Brownouts

D、Excessive Heat

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更多“ A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue.<br /> Which of the following is MOST likely causing this PC’s issue?（）”相关的问题

第1题

[单选题] The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?（）

A、A new default gateway has been setup. B、A new Internet shortcut has been added. C、A new web browser has been installed and is now the default. D、A proxy server has been enabled.

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第2题

[单选题] A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）

A、Reseat all power connections. B、Remove the CMOS battery. C、Install the graphics card. D、Ground to the case.

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第3题

[单选题] 对与弱酸性药物哪一公式是正确的（）

A、pKa－pH=log[A-]/[HA] B、pH－pKa=log[A-]/[HA] C、pKa－pH=log[A-][HA]/[HA] D、pKa－pH=log[HA]/[A-][HA]

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第4题

[] A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（） A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）

A、A. The laptop is too far away from the WAP. B、B. The WAP is using 802.11a frequencies. C、C. The laptop is only set to allow 802.11n connections. D、D. The technician is on an 802.11b network.

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第5题

[多选题] HA主节点作用有哪些（）

A、分发HA指令到集群其它节点 B、控制集群HA指令 C、管理集群HA指令

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第6题

[单选题] An end user reports that their computer is making noise constantly. The technician notes that the hard drive activity light is on frequently. The technician finds plenty of free space on the drive.Which of the following BEST explains why the drive light is continuously active?（）

A、The system has a fragmented hard drive. B、The drive interface needs to be changed. C、The user has too many documents on the hard drive. D、The system page file has an issue.

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第7题

[单选题] △ha、△hr、△hc分别代表有效、必需和临界汽蚀余量，为了泵能避免发生汽蚀要求（）

A、△ha≥△hc B、△ha≥△hr C、△ha≥110%△hc（两者差值不小于0.5m） D、△ha≥110%△hr（两者差值不小于0.5m）

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第8题

[多选题] TippingPoint提供了哪些高可用性设置？（）

A、固有高可用行（Intrinsic HA） B、自动恢复（Resume HA） C、透明高可用性（Transparent HA） D、备份高可用性（Backup HA）

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第9题

[多选题] A coworker has reported that someone has engaged in prohibited activity. The supervisor hasasked the technician to quarantine the PC until police arrive. Which of the following should the technician do?（）

A、Allow the user to continue working B、Check for viruses C、Re-image the hard drive D、Document time/date for later reference E、Prevent users from accessing the PC F、Turn off PC

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