CompTIA认证考试
Which of the following occurs during POST?（）A、OS loadsB、Safe Mode startsC、RAM checkD、MBR check
题目
Which of the following occurs during POST?（）
- A、OS loads
- B、Safe Mode starts
- C、RAM check
- D、MBR check
参考答案和解析
相似问题和答案
第1题：
A. There is a fire hazard potential if a power outage occurs.
B. The last system plugged into the UPS will not be provided any power.
C. The UPS will draw more power from the circuit to compensate.
D. The runtime of the UPS will be insufficient if a power outage occurs.
第2题：
A.Transport
B.Presentation
C.Session
D.Application
第3题：
Which of the following statements is correct regarding an oil with a high viscosity index?
A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature
第4题：
Which of the following attacks occurs when a hijacker intercepts traffic, modifies it, then sends thetraffic?（）
- A、DoS
- B、Smurf
- C、Man-in-the-middle
- D、Phishing
正确答案:C
第5题：
●Software (75)occurs following delivery ofa software product to the customer.
(75)
A.analysis
B.design
C.implementation
D.maintenance
第6题：
A.TCP 53
B.UDP 67
C.UDP 123
D.TCP 25
第7题：
A. df -m
B. du -m
C. df -vm
D. du -vm
第8题：
A. OS loads
B. Safe Mode starts
C. RAM check
D. MBR check
第9题：
Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）
- A、 The df command only counts the number of disk blocks and superblocks.
- B、 The df command ignores space used for inodes, gnodes, and vnodes.
- C、 The du command does not take into account filesystem metadata.
- D、 The du command counts indirect blocks and superblocks in its calculations.
正确答案:C
第10题：
Data encryption and decryption occurs at which layer of the OSI model?（）
- A、Transport
- B、Presentation
- C、Session
- D、Application
正确答案:B