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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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更多 “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.” 相关考题
考题
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.
考题
A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）A、The user has not registered the copy of Windows.B、The user has not applied at least Service Pack 1 to their system.C、The user does not know what site to access for the updates.D、The user needs to flush the DNS cache.
考题
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 addressB、FTP program is not workingC、Port 21 is blockedD、The FTP site is down
考题
A user has no network connectivity. A check of the associated port indicates that the interface is up， the line protocol is down. Which item would most likely cause this problem？（）A、Speed mismatchB、Incorrect encapsulationC、MTU set too lowD、Duplex mismatch
考题
A user states that the LCD display on their laptop has intermittent lines on the screen. The technician notices that when the display panel is moved, the line appears and then disappears. Which of the following is the MOST likely cause?（）A、The hinge on the display panel is damaged.B、The display cable is loose or damaged.C、The display panel is defective.D、The video controller on the system board is defective.
考题
A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）A、Frayed or broken cablesB、UPS is unpluggedC、NIC and sound card are disabled in Device ManagerD、Speakers are muted
考题
A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A、The wrong cable type has been used.B、. IDS has shut down the computer's switch port.C、The port on the switch is configured incorrectlyD、Spanning tree protocol was implemented.
考题
A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).A、Toner cartridgeB、Laser scannerC、Formatter PCBD、Pickup rollersE、Fuser
考题
A user is attempting to access a website but is getting a ‘Page cannot be displayed’ error. The technician checks the IP address of the computer and sees that it has been assigned 169.254.10.70. Which of the following is the MOST likely cause?（）A、The device is located behind a firewall.B、The network card is disabled.C、The device is not configured for DHCP.D、The device cannot locate a DHCP server.
考题
A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）A、The VLAN is misconfiguredB、The user has an improperly configured NICC、The DHCP server is downD、The DNS server is down
考题
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.
考题
A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A、FORMATB、SFCC、HyperTerminalD、DEFRAG
考题
If a user attempts to go to a website and notices the URL has changed， which of the following attacks is MOST likely the cause？（）A、DLL injectionB、DDoS attackC、DNS poisoningD、ARP poisoning
考题
Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）A、VirusB、WormC、Network bandwidthD、Malware
考题
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.
考题
单选题Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）A
VirusB
WormC
Network bandwidthD
Malware
考题
单选题A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A
FORMATB
SFCC
HyperTerminalD
DEFRAG
考题
单选题A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）A
The user has not registered the copy of Windows.B
The user has not applied at least Service Pack 1 to their system.C
The user does not know what site to access for the updates.D
The user needs to flush the DNS cache.
考题
单选题Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）A
VirusB
WormC
Network bandwidthD
Malware
考题
单选题A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）A
Power cycle the VPN concentrator at the office.B
Determine if the VPN service is running at the office.C
Reinstall the VPN client at the remote computer.D
Determine if the user has the correct VPN address and password.
考题
单选题A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A
The wrong cable type has been used.B
. IDS has shut down the computer's switch port.C
The port on the switch is configured incorrectlyD
Spanning tree protocol was implemented.
考题
单选题A user reports that they are unable to reach a particular website. The user had no issues reaching the site earlier in the day. Which of the following is the MOST likely cause of the lack of access？（）A
The VLAN is misconfiguredB
The user has an improperly configured NICC
The DHCP server is downD
The DNS server is down
考题
单选题A user has no network connectivity. A check of the associated port indicates that the interface is up，the line protocol is down. Which item would most likely cause this problem？（）A
Speed mismatchB
Incorrect encapsulationC
MTU set too lowD
Duplex mismatch
考题
单选题If a user attempts to go to a website and notices the URL has changed， which of the following attacks is MOST likely the cause？（）A
DLL injectionB
DDoS attackC
DNS poisoningD
ARP poisoning
考题
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 addressB
FTP program is not workingC
Port 21 is blockedD
The FTP site is down
考题
多选题A user reports that a printer has started producing a repetitive image defect on all printouts. Which of the following are the MOST likely causes of the problem?（） (Select TWO).AToner cartridgeBLaser scannerCFormatter PCBDPickup rollersEFuser
考题
单选题A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）A
Frayed or broken cablesB
UPS is unpluggedC
NIC and sound card are disabled in Device ManagerD
Speakers are muted
考题
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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