A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）..

第1题

[单选题] A user reports that the wireless network is slow and is able to see and access shared folders that are unknown to the user. Which of the following is the cause of the problem?（）

A、The SSID broadcast is disabled. B、Wireless router is improperly configured. C、The user is connecting to the wrong SSID D、The wireless NIC is defective.

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第2题

[单选题] A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?（）

A、Invalid IP address B、FTP program is not working C、Port 21 is blocked D、The FTP site is down

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第3题

[单选题] A user reports that they are unable to open any audio files. Yesterday, the user uninstalled third party music software. Which of the following is the MOST likely cause of the user’s error?（）

A、The file associations were not returned after the software was uninstalled. B、The user is not opening the files correctly. C、The uninstalled software has corrupted all the audio files on the computer. D、The sound card is not properly configured.

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第4题

[] A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?（） A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?（）

A、A. The USB hub needs more USB ports. B、B. The USB hub is a version 1.1. C、C. The USB hub was not externally powered. D、D. The USB hub is a version 2.0.

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第5题

[单选题] 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

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第6题

[单选题] An end user reports that their computer is not performing as fast as it used to and it shuts down unexpectedly. Which of the following is the MOST likely cause?（）

A、Network data cables are damaged. B、Memory has become unseated. C、The user has defragmented the hard drive. D、Processor cooling fan is not functioning.

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第7题

[单选题] A network technician is troubleshooting a network issue that has just been reported. Which of thefollowing troubleshooting steps should the technician take FIRST to help resolve this issue?（）

A、Record the solution in the appropriate logs for future use. B、Ask the user who reported the issue what past documentation they have. C、Ask the user who reported the issue to explain the symptoms in detail. D、Record what steps should be taken to resolve the issue.

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第8题

[单选题] On a Windows network, users are reporting that they cannot access any network resources. The users can ping the IP address and connect to the network resource using the IP address. Which of the following is the cause of the problem?（）

A、The file server is offline. B、The DNS server is not resolving correctly. C、The DHCP server is not assigning correct IP addresses. D、The domain controller is not responding.

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第9题

[单选题] A user reports that their UPS is making a loud beeping sound. Which of the following would cause this problem?（）

A、The UPS is overcharged. B、Incorrect wattage on the power supply. C、The UPS battery is not charged. D、The UPS is in power management mode.

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A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely cause of the noise?（）

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