220-801無料問題集「CompTIA A+ Certification」

質問 1

Which of the following lists the correct non-overlapping channels in 2.4 GHz?

（A）2,4,6,8,10

（B）3,6,9

（C）1,6,11

（D）5,11

正解：C 解答を投票する

質問 2

A computer turns on and a "Date and Time Not Set" message appears on the screen after the manufacturer logo. Which of the following is the MOST possible cause?

（A）The OS has stopped synching with the NTP server.

（B）The computer was not shut down properly.

（C）The system BIOS is corrupted.

（D）The CMOS battery needs to be replaced.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Which of the following cables is prone to electromagnetic interference?

（A）Plenum

（B）PVC

（C）UTP

（D）STP

正解：C 解答を投票する

質問 4

A Bluetooth printer has been installed. Which of the following MUST be performed to allow users to print from a mobile device?

（A）Device pairing

（B）Enable MAC filtering

（C）Configure print queue

（D）Set static IPs

正解：A 解答を投票する

質問 5

Which of the following RAID types employs two identically sized disks and creates a mirror for data redundancy purposes?

（A）RAID 1+0

（B）RAID 0

（C）RAID 5

（D）RAID 1

正解：D 解答を投票する

質問 6

A user reports a long delay when attempting to open a large, often used database file on the local drive. Which of the following tools would MOST likely be used to resolve this issue?

（A）sfc

（B）defrag

（C）system restore

（D）diskpart

正解：B 解答を投票する

質問 7

A client has requested the use of an AMD CPU on a workstation computer. Which of the following motherboard sockets MUST be utilized for this customer's PC?

（A）Socket H

（B）ZIF

（C）2011

（D）FM2

正解：D 解答を投票する

質問 8

Which of the following is the subnet mask for a Class C IP address?

（A）255.255.255.0

（B）255.255.0.0

（C）10.0.0.1

（D）192.168.1.1

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

A customer had a small electrical fire in one of their older home computers but it was easily put out because there was a box of baking soda in the kitchen. In the future the customer wants to be better prepared. The customer contacts the technician for the right fire extinguisher. Which of the following should be recommended? (Select TWO).

（A）Class C extinguisher

（B）Class K extinguisher

（C）Bigger box of baking soda

（D）Class ABC extinguisher

（E）Class B extinguisher

正解：A、D 解答を投票する

質問 10

Which of the following protocols would be MOST important in preserving digital evidence of criminal activity during an investigation?

（A）Chain of custody

（B）MSDS documents

（C）Change control management

（D）Channel escalation

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 11

Which of the following devices would need to be installed on a computer to allow the user to make video conference calls?

（A）Microphone

（B）LCD display

（C）Digitizer

（D）Webcam

正解：D 解答を投票する

質問 12

A technician is going to install a gigabit Ethernet adapter into a laptop for a customer. Which of the following technologies is MOST likely being used in this installation?

（A）Port replicator

（B）Express card 54

（C）USB 2.0

（D）PCIe

正解：B 解答を投票する

質問 13

Two computers in a SOHO would like to use the same printer. Which of the following would be the LEAST expensive way of accomplishing this with an existing printer already attached to one of the computers?

（A）Configure Printer Sharing settings

（B）Install an Ethernet hardware print server

（C）Install wireless cards in the computers

（D）Directly connect both computers to the printer

正解：A 解答を投票する

質問 14

Which of the following are examples of multimedia devices? (Select TWO).

（A）Microphone

（B）Digitizer

（C）Touchscreen

（D）Scanner

（E）Webcam

正解：A、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 15

Joe, an irate customer, calls the help desk and informs the technician that no one has fixed his problem. The technician looks up the request in the system and finds that the issue is a warranty claim for accidental damage that is not covered by the company. Which of the following would be the BEST approach to resolve Joe's concerns?

（A）Immediately escalate Joe to the company's department manager.

（B）Tell Joe that the warranty company has already decided not to fix his computer due to the notes in the system.

（C）Listen politely to Joe and inform him that accidental damage is not covered by his warranty and escalate to a manager.

（D）Tell Joe that he does not have an accidental damage warranty and end the call politely.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 16

Which of the following cable types deliver a non-digital signal? (Select TWO).

（A）VGA

（B）HDMI

（C）Display Port

（D）DVI-D

（E）DVI-A

正解：A、E 解答を投票する

質問 17

A DSL modem MOST commonly uses which of the following media?

（A）Household telephone lines

（B）Wireless adapter

（C）Cable TV coax

（D）Fiber optic cable

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 18

A technician must replace a 10/100 NIC in a Windows XP PC. The failed NIC is no longer available and a substitute 1 GB NIC will be used. Which of the following MUST be performed to accomplish the task?

（A）The PC must be rated to support the 1 GB NIC speed.

（B）The network cable must also be upgraded.

（C）The drivers for the new 1 GB NIC must be installed.

（D）The NIC speed cannot exceed 10/100 and the PC must support digitally signed drivers.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 19

By default, which of the following ports is used for DNS?

（A）53

（B）50

（C）25

（D）21

正解：A 解答を投票する

質問 20

A support technician is troubleshooting a user's inkjet printer. The technician notices that color prints appeared blurred with too much yellow on the right of images and too much cyan on the left of pictures. Which of the following could the technician do to correct the color printing?

（A）Calibrate the print heads

（B）Replace the cyan cartridge

（C）Change the yellow cartridge

（D）Replace the fuser assembly

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

220-801 無料問題集「CompTIA A+ Certification」

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