[2023年11月09日] 信頼され続ける220-1001試験のコツがあるPDF試験材料
2023年最新の220-1001テスト解説（更新されたのは752問があります)
CompTIA 220-1001試験は、ハードウェア、ネットワーキング、モバイルデバイス、オペレーティングシステム、トラブルシューティングなど、ITサポートに関連する幅広いトピックをカバーしています。これは、ITの概念に深い理解を持ち、トラブルシューティングや問題解決の実践的な経験が必要な包括的な試験です。
質問 # 237
Some users are unable to access the Internet form their workstations. A technician runs the ipconfig command on one of the workstations and sees the following:
The technician pings 8.8.8.8 and gets no response. Next, the technician pings 192.168.1.1 and gets no response. The technician is able to successfully ping an adjacent workstation but cannot ping the print server on the floor below. Which of the following is the MOST likely cause of the Internet connectivity issue in the office?
- A. The users are not getting correct IP addresses from the DHCP server
- B. The wireless access point in the area is down
- C. There is a problem with a DNS server in the office
- D. There is a problem with a router in the office
正解：D
質問 # 238
Which of the following IP addressing types is MOST likely to use an IP address starting with
169.254?
- A. APIPA
- B. Static
- C. Dynamic
- D. Link local
正解：A
質問 # 239
Megan, the CEO, is unable to connect to the company's network on her company-issued enterprise tablet when in the office, however, it works perfectly from home. All the corporate laptops are connected to the wireless network without issue. She has asked you for assistance in getting the device online.
INSTRUCTIONS
Review the network diagrams and device configurations to determine the cause of the problem and resolve any discovered issues.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解：
解説：
Click on Tablet Office 3
Click on 802.11 and Select a
Click on SSID and select CORP
At Wireless Security Mode, Click on Security Mode
Select the WPA
Megan needs to connect to the CORP SSID, using 2.4GHZ. The selected security method chose should be WPA2, and the password should be set to Corpsecure1.
質問 # 240
Ann, a local librarian, has had a previously used wireless access point donated to her. She has instructed you to configure this new wireless access point for her public library. Ann plans to allow anyone to connect to the access point without having to ask her for configuration information. Additionally, Ann knows that her neighbors have wireless network and wants to ensure that her network has the least likelihood of interfering with the other networks. Ann has provided you with the following information.
Wireless Name: Library
New Router Password: Secure$1
INSTRUCTIONS
Instructions: Select the Public Library in the diagram to configure the wireless network. Once the wireless network tabs are configured, select the save button. When you have completed the simulation, please, select the Done button to submit.
正解：
解説：
See explanation below
質問 # 241
Megan, the CEO, is unable to connect to the company's network on her company-issued enterprise tablet when in the office, however, it works perfectly from home. All the corporate laptops are connected to the wireless network without issue. She has asked you for assistance in getting the device online.
INSTRUCTIONS
Review the network diagrams and device configurations to determine the cause of the problem and resolve any discovered issues.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解：
解説：
See the answer below:
Explanation
Click on Tablet Office 3
Click on 802.11 and Select a
Click on SSID and select CORP
At Wireless Security Mode, Click on Security Mode
Select the WPA2
Megan needs to connect to the CORP SSID, using 2.4GHZ. The selected security method chose should be WPA2, and the password should be set to Corpsecure1.
Graphical user interface, application Description automatically generated
質問 # 242
Which of the following does IPv6 use to autoconfigure nodes?
- A. APIPA
- B. CIDR
- C. Address resolution protocol
- D. Neighbor discovery
正解：D
質問 # 243
A company requires the ability to control, optimize, and report user network storage automatically. Which of the following cloud concepts can achieve this?
- A. Resource pooling
- B. Measured service
- C. Rapid elasticity
- D. On demand self-service
正解：C
解説：
Cloud computing systems control and optimize resource use by an abstract metering capability appropriate to the type of service used, such as storage, processing power, network bandwidth, or number of and active user accounts. Resource usage can be monitored, controlled, and reported, providing transparency for both the provider and consumer of the utilized service.
質問 # 244
Employees are reporting the image on the screen in a conference room is too wide at the top and too narrow at the bottom. A technician tries to adjust the resolution but is unsuccessful. Which of the following settings should the technician adjust NEXT?
- A. Keystone
- B. Brightness
- C. Pincushion
- D. Contrast
正解：C
質問 # 245
A technician is building a Windows server to meet the specific needs of a user. The user needs to house a replica of a very large SQL database to be able to query the database locally.
Which of the following drive configurations would BEST meet the requirements while providing the maximum amount of performance and storage?
- A. OS disk: 1TB 7200rpm HDD
Data disk: 128GB 10000rpm HDD - B. OS disk: 512GB 15000rpm HDD
Data disk: 64GB M2 - C. OS disk: 256GB 5400rpm HDD
Data disk: 1TB 5400rpm HDD - D. OS disk: 128GB M2
Data disk: 4TB 7200rpm HDD
正解：D
質問 # 246
A customer purchased a device that can perform routing tasks, firewall tasks, deep packet inspection, and antivirus scanning. Which of the following devices did the customer purchase?
- A. Proxy server
- B. DHCP server
- C. IPS appliance
- D. UTM appliance
- E. IDS appliance
正解：D
質問 # 247
Which of the following devices is susceptible to broadcast storms if configured incorrectly?
- A. Cable modem
- B. Router
- C. Switch
- D. Access point
正解：C
質問 # 248
A customer contacts the help disk stating a laptop does not remain charged for more than 30 minutes and will not charge more than 15%. Which of the following components are the MOST likely causes the issue? (Select three.)
- A. LCD power inverter
- B. Motherboard
- C. Battery
- D. Processor
- E. Backlit keyboard
- F. VGA card
- G. Wireless antenna
- H. AC adapter
正解：A、C、H
質問 # 249
Drag each mobile technology to the description of its use. Some answers will not be used.
正解：
解説：
Explanation
1. NFC
2. Bluetooth
3. IR
4. Tethering
質問 # 250
Which of the following network types utilizes Bluetooth technology?
- A. MAN
- B. PAN
- C. LAN
- D. WAN
正解：B
質問 # 251
A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectly on screen, but the touch screen is non-responsive.
Which of the following are the MOST probable root causes for the given failure? (Choose three.)
- A. The grounding screws are not securely attached.
- B. The LCD panel firmware must be updated.
- C. The hardware replacement used is a non-touch-screen version.
- D. The replacement part is dead-on-arrival.
- E. The touch screen must be calibrated after a replacement.
- F. The new touch-screen drivers must be installed.
- G. The digitizer cable is not seated properly on the motherboard.
正解：C、F、G
質問 # 252
A user wants to print a large job on both the front and back sides of the paper. Which of the following settings should the technician advise the user to change in the printer settings?
- A. Orientation
- B. Transparency
- C. Duplex
- D. Collate
正解：C
質問 # 253
A customer, Ann, has requested two custom PCs, one to be used for gaming and the other to be used as a virtualization workstation for her business.
The gaming PC should support the latest games and gaming peripherals.
The virtualization workstation should be able to host several production virtual machines as part of Ann's home business.
INSTRUCTIONS
Use the tabs at the top to switch between the PCs.
Objects should be placed on the appropriate slot/display areas and can only be used once.
All slot/display areas should be filled.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解：
解説：
質問 # 254
Ann, a local librarian, has had a previously used wireless access point donated to her. She has instructed you to configure this new wireless access point for her public library. Ann plans to allow anyone to connect to the access point without having to ask her for configuration information. Additionally, Ann knows that her neighbors have wireless network and wants to ensure that her network has the least likelihood of interfering with the other networks. Ann has provided you with the following information.
Wireless Name: Library
New Router Password: Secure$1
INSTRUCTIONS
Instructions: Select the Public Library in the diagram to configure the wireless network. Once the wireless network tabs are configured, select the save button. When you have completed the simulation, please, select the Done button to submit.
正解：
解説：
See explanation below
質問 # 255
A systems administrator wants to take advantage of the benefits of the major cloud providers while retaining some data and services in the local datacenter. Which of the following types of cloud model should the administrator consider?
- A. Private
- B. Hybrid
- C. Community
- D. Public
正解：B
質問 # 256
A technician is working on a PC that randomly crashes The PC is configured with multiple RAM modules, and the technician determines the RAM is causing the crashes Which of the following is the BEST way to solve the issue while minimizing the cost of repair?
- A. Replace the RAM modules with the cheapest available
- B. Test each RAM module individually and only replace the bad one
- C. Purchase an OEM replacement set of RAM
- D. Upgrade the RAM to be configured with the fewest number of modules
正解：B
質問 # 257
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