CompTIA A+ Certification Exam: Core 1 認定 220-1201 試験問題:
1. A company deploys server machines in a public cloud. Which of the following cloud service models is this an example of?
A) Platform as a service
B) Software as a service
C) Infrastructure as a service
D) Anything as a service
2. Which of the following statements is true when comparing DDR3 RAM and DDR4 RAM?
A) DDR4 operates at a higher voltage than DDR3.
B) DDR3 is better suited for low-power environments than DDR4.
C) DDR3 is capable of achieving higher bandwidth than DDR4.
D) DDR4 offers faster data transfer rates compared to DDR3.
3. Which DNS record is used by DMARC to verify the authenticity of email servers?
A) TXT
B) A
C) CNAME
D) MX
4. A company rolls out a mandatory OS update to all PCs. A legacy application that one department uses does not function on the new OS and is EOL. Which of the following should a technician suggest to solve the issue with minimal data loss, expense, and disruption to the users?
A) Setting up a bare-metal hypervisor to isolate the outdated OS
B) Uploading the database to a private cloud
C) Moving to a supported system under a Type 2 hypervisor
D) Upgrading to an alternative product and importing the data
5. A technician is replacing a failed power supply in a ten-year-old computer When installing the customer- provided power supply, the technician discovers the ATX connector would not plug into the motherboard.
The customer wants a cost-effective solution. Which of the following should the technician do next?
A) Rebuild the failed power supply.
B) Install a modular power supply.
C) Use a 20-pin to 24-pin adapter.
D) Adjust the input voltage.
質問と回答：
| 質問 # 1 正解： C | 質問 # 2 正解： D | 質問 # 3 正解： A | 質問 # 4 正解： C | 質問 # 5 正解： C |
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