C4090-453の無料問題集（70題）、C4090-453認定試験参考書

IBM C4090-453 問題集

試験コード：C4090-453

試験名称：IBM System Storage DS8000 Technical Solutions V3

最近更新時間：2025-04-30

問題と解答：全70問

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質問 1：
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 must be on different drivesets.
B. The source and target volumes must be on different drivesets only if a background copy is being used.
C. The source and target volumes are totally independent and can be on any drives.
D. The source and target volumes must be on drives with the same capacity and speed.
正解：C

質問 2：
A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMware environment. They require support for VAAI Extended Copy.
What should the technical specialist advise this customer?
A. A DS8870 with FlashCopy should be proposed
B. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
C. DS8870 supports the VAAI functionality required by this customer
D. VAAI is only a host function so any disk subsystem can be considered
正解：C

質問 3：
With the DSS000, if a customer raises a Severity' I call with the Hardware or Software Support Center.
IBM will work on the call 24 hours a day, seven days a week provided the customer does what?
A. Agrees to attend a daily teleconference and continues to emphasize the importance of the problem
B. Has people available to work 24 hours a day, seven days a week to match the Support Center's effort
C. Escalates the problem within IBM to see if this route helps fix the issue first
D. Supplies all dumps, logs and traces that the device or component in error has produced
正解：B

質問 4：
A potential DS8OIJO customer would like to understand the size of the non-volatile storage (NVS) as compared to the overall size of the DS8000 processor memory.
Which technical feedback to the customer is correct?
A. NVS size is 4 GB for all cache sizes up to 64 GB. and 16 GB for all overall cache sizes over 64 GB
B. NVS size can be adjusted according to customer demand using the CLI
C. NVS size is a part of the SARC algorithm and adapts automatically depending on the actual workload of the customer
D. NVS size is 1/32 scale (in minimum 1 GB) of the overall processor memory
正解：D

質問 5：
If a customer experiences significant technical issues with an installed DS8000 system, which action should be taken immediately to report them?
A. IBM automatically opens an internal problem record based on the Call Home messages
B. The customer needs to open a problem management request (PMR)
C. The responsible IBM Customer Service Representative needs to open a problem record
D. Contact the responsible IBM sales representative who must handle all related communications
正解：B

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IBM System Storage DS8000 Technical Solutions V3 認定 C4090-453 試験問題:

1. What should be used to most effectively model System z customer workload for implementation on IBM DS8800?

A) RMF Magic and Disk Magic
B) RMF Magic only
C) SMF Analyzer
D) Disk Magic only

2. A customer wants to add a new DSS8OFJ into a data center that is already in production. How is it possible to verify that the DS8800 is supported into the customer's SAN and server infrastructure?

A) If there are other DS8000 systems in the data center there is no need to check for any compatibility
B) Check the interoperability matrix
C) The D58800 is compatible with every SAN infrastructure
D) Check the System Storage Interoperation Center

3. A customer would like to implement an enterprise solution and needs 200 TB usable capacity on a write intensive workload.
They are convinced that 600 GB drives are the optimum size for their business applications.
Very limited space is available for additional systems in their data center.
Which solution best meets this requirement?

A) Three fully-configured clustered Storwize V7000 systems
B) DS8870 system with one frame and 5% SSD drives
C) XIV Gen3 system with 13 modules
D) DS8870 system with two frames

4. A customer wants to place some HDDs in a DS8870. The customer also wants to enable Easy Tier with SSD for all HDDs, but wants to minimize the amount of SSDs purchased.
Which option would be valid?

A) SSDs come in half drive sets (8 drives). Purchasing a single half drive set, if configured properly, would enable all the HDDs to be in an Easy Tier pool at the lowest cost.
B) IBM never recommends less than 50% of the configured drives be SSD, so the customer should match the number of HDDs with the same number of SSDs.
C) SDDs come in full drive sets (16 drives). Purchasing a single full drive set, if configured properly, would enable all the HDDs to be in an Easy Tier pool at the lowest cost.
D) IBM recommends a 2:1 ratio of HDDs to SSDs, so the customer should purchase half the number of SSDs compared to the number of HDDs purchased.

5. A new DS8000 z/OS storage customer needs to configure the DSS000 system's host adapter ports to Brocade SAN directors for host access in a Metro Mirror solution.
Which protocols must be configured for this system?

A) No action required; the DS8000 auto-negotiates the required protocol without any adjustment
B) FIOON protocol for host ports and FOP for Metro Mirror connection
C) FICON protocol for both host ports and Metro Mirror connection
D) FIOON for FOP for host ports and FOP for Metro Mirror connection

質問と回答：

質問 # 1
正解： A

質問 # 2
正解： D

質問 # 3
正解： D

質問 # 4
正解： C

質問 # 5
正解： B