Meilleur CompTIA JK0-701 test formation guide

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Code d'Examen: JK0-701
Nom d'Examen: CompTIA (CompTIA E2C A+ Essentials (2009 Edition) Exam)
Questions et réponses: 491 Q&As

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NO.1 A customer wants to connect an external projector to a laptop. The projector is plugged into the
external video port but no video is shown on the projector. Which of the following will correct the problem?
A. Upgrade the BIOS.
B. Release the LCD cutoff switch.
C. Toggle the WiFi switch.
D. Toggle the Fn key.
Answer: D

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NO.2 Which of the following broadband technologies provides the FASTEST bandwidth speeds?
A. DSL
B. Cable
C. Satellite
D. Fiber
Answer: D

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NO.3 A technician has determined that the primary hard drive has failed and the defective hard drive has
been replaced. According to the troubleshooting process, which of the following steps would come
NEXT?
A. Document the setting.
B. Establish a probable cause.
C. Verify full system operation.
D. Question the user.
Answer: C

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NO.4 Which of the following is placed directly on the CPU in a new computer system to aid in the cooling
process?
A. Heatsink
B. Fan
C. Liquid cooling system
D. Thermal compound
Answer: D

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NO.5 A customer wants to be able to search the Internet wirelessly with their laptop, from any location. Which
of the following devices would be MOST effective in achieving this?
A. Bluetooth card
B. 802.11 a/b/g WiFicard
C. 802.11n WiFi card
D. Cellular WAN card
Answer: D

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NO.6 Which of the following commands is used to bring up the interface that allows a
technician to edit startup services and applications?
A. msinfo32
B. cmd
C. dxdiag
D. msconfig
Answer: D

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NO.7 Which of the following Windows utilities will identify issues with drivers and programs running under
Windows XP?
A. System Information
B. Hardware Compatibility List
C. Dr. Watson
D. Program Compatibility Wizard
Answer: D

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NO.8 A PC is having its PSU replaced and the new PSU has a connector that is too large for the
motherboard's socket. Which of the following is needed to solve this issue?
A. The PC needs a NLX to ATX adapter.
B. The PC needs a 26-to-20 pin ATX adapter.
C. The PC needs a 24-to-20 pin ATX adapter.
D. The PC needs an AT-to-ATX adapter.
Answer: C

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NO.9 In the laser printing process, which of the following is true?
A. A wax-based substance is melted and applied directly to the media.
B. Toner is applied to a photoconductor and transferred to the media.
C. Heat is applied to heat-sensitive media to create an image.
D. Toner is sprayed to the media.
Answer: B

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NO.10 Which of the following Windows Vista versions can be installed on a system with
512MB of RAM and a 40GB HDD?
A. Home Basic
B. Home Premium
C. Ultimate
D. Business
Answer: A

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NO.11 A technician is installing Windows Vista onto a new computer locally. Which of the following describes
the method the technician would MOST likely use?
A. Floppy
B. DVD
C. Blu-Ray
D. PXE
Answer: B

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NO.12 A technician encounters an IP address of 191.15.20.1. The IP address is a member of
which of the following classes?
A. Class A
B. Class B
C. Class C
D. Class D
Answer: B

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NO.13 A technician receives a Windows laptop that has not been operating correctly since a user changed
some registry settings by mistake. Which of the following should be attempted? FIRST?
A. Reset the CMOS
B. Rollback to a restore point
C. Boot into Safe Mode
D. Reconfigure the BIOS
Answer: B

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NO.14 Which of the following printer types is the BEST for a technician to recommend to a
company needing to print 10,000 black and white pages per month?
A. Laser
B. Thermal
C. Inkjet
D. Dot Matrix
Answer: A

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NO.15 Which of the following memory types has a clock speed of 400MHz?
A. PC133
B. PC2700
C. PC3200
D. PC10600
Answer: C

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NO.16 A CRT monitor is flickering very rapidly, making it very uncomfortable to view. This can be corrected
by:
A. Adjusting the refresh rate.
B. Adjusting the dot pitch.
C. Degaussing the monitor.
D. Adjusting the resolution.
Answer: A

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NO.17 Which of the following keyboard combinations will lock a Windows XP workstation?
A. Windows Key + L
B. CTRL + ALT + Delete
C. Windows Key + CTRL + Backspace
D. Windows Key + CTRL + Escape
Answer: B

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NO.18 802.11n has the potential to support up to:
A. 11Mbps.
B. 20Mbps.
C. 54Mbps.
D. 100Mbps.
Answer: D

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NO.19 Which of the following connector types is used on CAT5e cable?
A. RJ-45
B. ST
C. RJ-11
D. BNC
Answer: A

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NO.20 A technician is repairing a keyboard issue, in which the keys are not typing anything within document
editing software. After Questioning the user, the technician discovers that the user was eating lunch while
typing the document. The technician comes to the conclusion that liquid was spilled onto the keyboard.
According to the troubleshooting theory, which of the following would be the NEXT step to follow?
A. Ask the user open-ended Questions.
B. Make closing notes of the repair.
C. Replace the keyboard with a new keyboard.
D. Verify the system functionality.
Answer: C

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NO.21 Which of the following media types is MOST affected by the RPM rating?
A. SDD
B. Flash
C. Tape
D. HDD
Answer: D

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NO.22 When determining a customer's specific issue, which of the following is the BEST
approach?
A. Ask the customer to speak with someone else that may be able to help.
B. Ask open-ended Questions to narrow the scope of the problem.
C. Ask a co-worker what the customer is trying to explain.
D. Ask focused Questions that lead the customer with yes or no Answers.
Answer: B

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NO.23 Which of the following cables allows for the transfer of video and sound?
A. VGA
B. S-Video
C. DVI
D. HDMI
Answer: D

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NO.24 A technician downloads an updated version of the driver for a sound card in Windows XP. After
extracting the driver, how would the technician update the driver?
A. Device Manager> expand 'Sound, video and game controllers'>double click on the
name of the sound card> Troubleshoot'
B. Start > Control Panel > Administrative Tools > Update Drivers>double click on 'Sound Card'
C. Start > Control Panel > Administrative Tools > Sound Devices > 'Update Driver'
D. Device Manager>Driver tab> Update Driver> Double click on the name of the sound card under 'Sound,
video and game controllers'
Answer: D

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NO.25 Which of the following connectors are used for musical equipment?
A. DVI
B. MIDI
C. 6-pin mini-DIN
D. HDMI
Answer: B

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NO.26 Which of the following wireless network features grants the ability to select which devices connect to a
wireless network based on a device's hardware address?
A. WPA encryption
B. MAC filtering
C. NAT translation
D. SSID broadcasting
Answer: B

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NO.27 Which of the following IP ranges is Class C?
A. 192.0.0.0-223.255.255.255
B. 128.0.0.0-191.255.255.255
C. 1.1.1.1-126.255.255.255
D. 224.0.0.0-255.255.255.0
Answer: A

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NO.28 A computer fails POST with 1 long, and 2 short beeps. Which of the following components has MOST
likely failed?
A. Sound card
B. Power supply
C. NIC
D. Video card
Answer: D

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NO.29 Which of the following is an example of a manufacturer's image stored on a hard drive?
A. Factory Recovery Partition
B. OEM Version
C. Recovery CD
D. Network Install
Answer: A

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NO.30 Every time the computer starts a technician receives a message saying that the computer case has
been opened. Which of the following can be disabled in the BIOS to prevent this message from
appearing?
A. Trusted Platform Module (TPM)
B. Intrusion detection
C. WiFi Protected Access (WPA)
D. Firewall
Answer: B

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