최신 IBM Certified Specialist C4090-453 무료샘플문제:
1. Which statement about I/O Priority Manager on the DS8000 is true?
A) It can be more granular on z/OS than any other operating system
B) It can interface with VMware VAAI primitives to improve performance
C) It allocates cache on 4K boundaries to improve performance
D) It needs at least two tiers of disks to work
2. The customer requires a point-in-time copy solution on a DS8000. Which of the following statements is true?
A) The source and target volumes are totally independent and can be on any drives.
B) The source and target volumes must be on drives with the same capacity and speed.
C) The source and target volumes must be on different drivesets only if a background copy is being used.
D) The source and target volumes must be on different drivesets.
3. What is the purpose of the Power Line Disturbance feature in a D38000?
A) It removes the need for an external generator in case of power failure
B) It keeps the disks spinning for up to one hour when there is a power failure
C) It is required to retain data on SSDs in the event of a power failure
D) It increases the time before the DS8000 automatically shuts down in the event of a power failure
4. What capability' of the DS8SOO helps prevent double drive failures?
A) RAID DP
B) Parallel volume create and delete
C) Quick initialization
D) Smart rebuild
5. Which of the following is true regarding Extent Pools on a D38000?
A) A Count Key Data Volume cannot have extents from separate ranks within the same Extent Pool.
B) A Count Key Data Volume can span multiple Extent Pools.
C) A Fixed Block LUN can have extents from separate ranks within the same Extent Pool.
D) A Fixed Block LUN can span multiple Extent Pools.
질문과 대답:
| 질문 # 1 정답: A | 질문 # 2 정답: A | 질문 # 3 정답: D | 질문 # 4 정답: D | 질문 # 5 정답: C |
1333 개 고객 리뷰
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