更多"A user cannot undock a laptop from "的相关试题:
[单项选择]The employer tried to bully his employees from staging strikes by threatening to close down the entire plant.
A. intimidate
B. integrate
C. ridicule
D. humiliate
[单项选择]Medical treatment varies greatly from state to state in this country, _____ is really confusing to me
A. this
B. it
C. that
D. which
[单项选择] A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）
A. StickyKeys is enabled and needs to be disabled.
B. The new keyboard is defective and needs to be replaced.
C. The system board is defective.
D. The keyboard ribbon is not seated properly.
[单项选择] A user reports their laptop computer can no longer connect to a server. The computer works correctly in a different office. Which of the following tools would be used to troubleshoot this issue?（）
A. Cable tester
B. Multimeter
C. Fiber splicer
D. Loopback plug
[单项选择] A user took a laptop on vacation and made changes to the configuration in order to use the device at the hotel. The user can reach the Internet, but cannot access any internal network resources. Which of the following is the MOST likely reason?（）
A. Incorrect DNS
B. Incorrect subnet mask
C. Duplicate IP address
D. Incorrect SSID
[单项选择]We understand from the passage that the United States ______.
[单项选择] 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.
[单项选择]A user reports poor picture quality with a laptop connected to an LCD. Which of the followingshould the technician check FIRST for optimal picture quality?（）
A. Native resolution
B. Color depth
C. Minimum brightness
D. Maximum brightness
[单项选择] A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?（）
A. DMZ is enabled.
B. MAC filtering is enabled.
C. WEP is being used.
D. SSID broadcast is disabled.
[单项选择] A user reports that their laptop does not have network connectivity, but was working fine last week. The technician executes IPCONFIG to see what the IP address is but it comes up with a 169.254.254.1 address. This address is not part of the company's subnet. Which of the following MOST likely identifies this address type?（）
A. Multicast
B. DHCP
C. APIPA
D. Broadcast
[单项选择]A home user would like to connect their laptop display to their home HD television. Which of the following is the BEST solution?（）
A. Connecting the laptop’s VGA output to an HDMI adaptor
B. Connecting the laptop’s VGA output to the television’s VGA input
C. Connecting the laptop's USB output to the HD television’s HDMI adaptor
D. Connecting the laptop’s USB output to the television’s USB input
[单项选择]A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）
A. If the wireless is enabled
B. If the laptop is connected to the correct gateway
C. If the SSID is enabled
D. If the DHCP address scheme is correct
[单项选择]A user connecting a laptop to a wall jack is prompted for user credentials before being grantedaccess to the network. Which of the following is MOST likely implemented on the switch?（）
A. MAC filtering
B. PoE
C. IP filtering
D. 802.1X
[单项选择]A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）
A. A new sound card
B. A new speaker
C. A BIOS update
D. A hardware volume control
[单项选择]A user has purchased a laptop that has no means to charge the battery. Which of the followingwould the user MOST likely purchase?（）
A. USB cable
B. AC adapter
C. PCMCIA card
D. Replacement battery
[单项选择]A user states that when the user copies files from ‘My Documents’ to a network share, the files are no longer available locally. Which of the following BEST describes the reason the files are no longer visible?（）
A. The user copied to a read-only folder share.
B. The user changed the attributes of the files.
C. The user copied the files from the local My Documents folder.
D. The user moved instead of copied the files.
[单项选择]A user is unable to view any DVDs on their laptop which has a DVD-ROM drive installed. After further investigation, the technician realizes that there is not any DVD-ROM or CD-ROM available under the My Computer utility. Which of the following system utilities would MOST likely be used to identify and resolve this issue?（）
A. Task Manager
B. Device Manager
C. DEFRAG
D. Event Viewer
[单项选择]A user has a new laptop with a quad-core processor, and wants to increase the memory of theunit. Which of the following memory types would be the BEST choice?（）
A. DIMM
B. RIMM
C. SIMM
D. SODIMM
[单项选择] The HR user creates a stand-alone procedure as follows and grants the EXECUTE privilege on theprocedure to many database users： CREATE OR REPLACE PROCEDURE create_dept （ v_deptno NUMBER， v_dname VARCHAR2， v_mgr NUMBER， v_loc NUMBER） BEGIN INSERT INTO hr.departments VALUES （v_deptno， v_dname， v_mgr， v_loc）； END； The users having permission to execute the procedure are able to insert records into the DEPARTMENTStable even though they do not have the INSERT privilege on the table. You want only those users whohave privileges on the DEPARTMENTS table to be able to execute the procedure successfully. What would you suggest to the PL/SQL developers to achieve this（）
A. Create the procedure with definer’s right.
B. Create the procedure with invoker’s right.
C. Grant the EXECUTE privilege with GRANT OPTION on the procedure to selected users.
D. Create the procedure as part of a PL/SQL package and grant the EXECUTE privilege on the package to selected users
