海船船员考试
单选题Which of the following will be the advantage of a centrifugal pump as compared with a reciprocating pump?（） (1) Its discharge is continuous (2) It has no internal valves (3) Upon accidental closing of discharge valve, excessive pressure will not build
题目
（1），（2）
（2），（3）
（1），（2），（3）
（2）only
相似问题和答案
第1题：
Which of the following is an advantage of attaching a NAS device to the network？（）
- A、 Easier to secure
- B、 Ability to run remote application
- C、 Ease of configuration
- D、 Fault tolerance
正确答案:C
第2题：
Which of the following is an advantage of a 100Base-T network card versus an 802.11g wireless network card?（）
- A、Flexibility in relocating the computer
- B、Ability to provide secure data communications
- C、Faster data speed
- D、Ability to setup P2P networking
正确答案:C
第3题：
Which of the following is not an advantage of block media recovery （BMR）？（）
- A、 Reduced MTTR.
- B、 Datafiles remain offline while corrupt blocks are repaired.
- C、 Datafiles remain online while corrupt blocks are repaired.
- D、 A and C
正确答案:B
第4题：
When comparing DSL broadband to cable broadband, which of the following is an advantage ofDSL broadband?（）
- A、Upgraded copper lines allow maximum speed greater than cable
- B、Signal is not shared back to the switch
- C、Signal is shared back to the switch
- D、Distance is not a factor in signal speed
正确答案:B
第5题：
Which of the following RAID configurations takes advantage of mirroring？（）
- A、RAID 1
- B、RAID 5
- C、RAID 0
- D、RAID 2
正确答案:A
第6题：
Which of the following is an advantage of RAID 0？（）
- A、Mirrors data
- B、Redundancy
- C、Speed
- D、Automatic hot spare
正确答案:C
第7题：
Which of the following is the major advantage of PCI-e over PCI-X?（）
- A、Sensitivity to background noise
- B、Height of the card
- C、Shared bus topology
- D、Point-to-point bus topology
正确答案:D
第8题：
Which of the following is an advantage of SMP？（）
- A、 Smaller initial investment
- B、 Doubles memory requirements
- C、 Higher simultaneous thread processing
- D、 Decreases overhead
正确答案:C
第9题：
Which of the following is an advantage of a virtualized server environment？（）
- A、 Higher administrative complexity
- B、 Increased level of security
- C、 More effective usage of computing resources
- D、 Improved performance for users
正确答案:C
第10题：
Which of the following is a key advantage of AIX v5.3 over AIX v5.2？（）
- A、Dynamic LPAR
- B、Micro-Partitioning
- C、Small Memory Real Mode
- D、Capacity Upgrade on demand for memory
正确答案:B