220-1101無料問題集「CompTIA A+ Certification Exam: Core 1」

質問 1

A technician is replacing the power supply in a computer. Which of the following safety measures should the technician take to protect the computer?

（A）Wear protective eyewear.

（B）Wear an antistatic wrist strap.

（C）Minimize the use of tools.

（D）Wear gloves.

正解：B 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 2

A user's brand new phone froze while information was being transferred from the old phone. When a technician reset the new phone, it functioned properly when a data transfer was not being attempted. When the technician tested the old phone, it did not appear to have any functionality issues and passed all forms of device testing. Which of the following is the most likely reason the data transfer failed?

（A）The older phone had different hardware.

（B）The older phone utilized different wireless protocols.

（C）The older phone had a corrupted OS.

（D）The older phone had a different OS version.

正解：B 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

A technician is preparing laptops for deployment to a medical department. The laptops require SSD-level encryption to be enabled, but BitLocker refuses to turn it on. An error message states that a BIOS-level setting has not been turned on. Which of the following should the technician check FIRST when troubleshooting this issue?

（A）Ensure that the Trusted Platform Module enabled.

（B）Recorder the priority in Widows Boot Manager.

（C）Verify that the latest updates are installed.

（D）Check to make sure Secure Boot is turned on.

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 4

A technician is mitigating threats to web clusters. Which of the following tools is the most appropriate for a technician to use to mitigate unwanted traffic against the web clusters' public-facing interface?

（A）Physical firewall

（B）Device encryption

（C）Intrusion detection system

（D）Antivirus/anti-malware

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 5

A technician needs to confirm that desktop PCs can be deployed to a global, remote workforce. Which of the following specifications should the technician validate?

（A）Input voltage

（B）Supply chain security

（C）BIOS language support

（D）Power efficiency

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 6

A user reports being unable to access the network. A help desk technician notices an APIPA on the user's workstation. Which of the following services should the technician investigate first?

（A）DNS

（B）AAA

（C）RADIUS

（D）DHCP

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 7

A technician is configuring a SOHO network. During testing, the technician receives the IP address
169.254.2.2, but the router is assigned the address scope of 192.168.1.254/24. Which of the following is most likely the cause?

（A）DNS

（B）Ipv6

（C）DHCP

（D）Ipv4

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 8

A mechanical engineer's PC has started randomly shutting off whenever the engineer attempts to render a design. The mechanical engineer states that the PC has worked for three years without issue. Which of the following should the technician perform first to diagnose the issue? (Select two).

（A）Check if the computer is overheating.

（B）Reinstall the operating system.

（C）Run chkdsk.

（D）Listen for POST beeps when turning on the PC.

（E）Check if the graphics card is compatible with the motherboard.

（F）Replace the HDD.

正解：A、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 9

Several users who share a multifunction printer in an office have reported unintended, thin, vertical lines that cover the entire height of every page printed from the printer. Which of the following steps should a technician complete in order to MOST likely resolve this issue?

（A）Reinstall the printer driver on each computer

（B）Perform the drum-cleaning procedure.

（C）Clear the print spooler on each computer.

（D）Replace the printer paper with a new ream.

正解：B 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 10

A customer reports that a printer is only printing misaligned images. Which of the following should the technician do to correct the issue?

（A）Perform a calibration.

（B）Clean the print heads.

（C）Scan the document.

（D）Replace the ink cartridge.

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

A user on the marketing team uses various multimedia applications that consume a lot of memory. The user needs to install more RAM to run these applications effectively. When the user opens the computer case, the user sees four slots in two sets of colors. Which of the following memory types is MOST likely required?

（A）Single-channel

（B）Error correction code RAM

（C）Dual-channel

（D）Triple-channel

（E）Quad-channel

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 12

A network technician is working to locate an end user's Cat 6 cable within a network rack. The server rack is poorly documented, and a cable management system has not been implemented_ Which of the following would be the best tool to best identify the correct cable?

（A）Network tap

（B）Cable tester

（C）Loopback plug

（D）Toner probe

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 13

A systems administrator is attempting to resolve a ticket regarding an issue with an email server. The administrator is covering for a coworker who was previously working on the ticket. The coworker already gathered facts about the issue and spoke with users concerning their missing emails. The coworker also discovered the email server's retention policy was updated shortly before users first noticed the issue. Which of the following should the systems administrator do NEXT to resolve the email issue?

（A）Establish a theory of probable cause for the email server issue.

（B）Create a plan of action to resolve the email server issue.

（C）Test a theory to determine the cause of the email server issue.

（D）Escalate the ticket to a higher level to resolve the email server issue.

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 14

A restaurant calls the support line about its 3in (2.5cm) point-of-sale printer that is only printing fully black receipts. Which of the following should the technician check in order to resolve the issue? (Select two).

（A）Power supply

（B）Room temperature

（C）Rollers

（D）Humidity

（E）Fuser

（F）Heating element

正解：C、F 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

Which of the following wireless networking protocols will support both 2.4GHz and 5GHz devices?

（A）802.11 ax

（B）802.11ac

（C）802.11b

（D）802.11g

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 16

A server administrator is building a new application server. Which of the following, RAID levels provides MAXIMUM performance and redundancy?

（A）RAID 10

（B）RAID 0

（C）RAID 5

（D）RAID 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 17

Which of the following is used to register inputs on a touch-screen monitor?

（A）Cathode-ray tube

（B）Digitizer

（C）Inverter

（D）OLED

正解：B 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

Which of the following allows all VMs in a virtual environment to have RAM allocated for use?

（A）Resource pooling

（B）Synchronization

（C）Measured service

（D）Containerization

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)

220-1101 無料問題集「CompTIA A+ Certification Exam: Core 1」

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