2018 H Questions KillTest

Question 1 SmartMigration must completely migrate the services on the source LUN to the target LUN in the context of stopping the host business. A. True B. False Answer: B

Question 2 In Huawei OceanStor V3 series storage system, description of the relationship between the logical port IP drift, which of the following is error? A. one binding port can be configured on multiple logical port B. one VLAN can be configured in multiple bindings port C. one Ethernet port can be configured on more than one VLAN D. one Ethernet port can be configured on multiple bindings port Answer: B

Question 3 When dealing with urgent problems, in order to facilitate the positioning problem, you can use some non-involved access customer’s data's gadgets that are self-developed by the maintenance personnel in their daily work. A. True B. False Answer: B

Question 4 Which of the following products do not belong to OceanStor 18500/ S extension technology? A. Scale-up B. Scale-down C. Scale-out D. Scale-in Answer: B

Question 5 In synchronous remote replication, about the process of the storage receiving I/O requests issued by the server, which of the following statements is correct? A. First sent to the master Cache, and then sent to the master storage, and then synchronize to the slave Cache by the master storage B. First sent to the master cache, and then sent by the master Cache to the slave Cache C. Simultaneously sent to the master and slave cache. D. First sent to the master Cache, in the master Cache enable the time slice technology and synchronize to the slave Cache. Answer: C

Question 6 Huawei OceanStor V3 Snapshot, after the source LUN is damaged or is faulty, it can recover the source LUN via snapshot. 。 A. True B. False Answer: B

Question 7 Which of the following description about Huawei OceanStor V3 cascade 3DC and parallel 3DC is correct? (Multiple Choice) A. No matter parallel 3DC or cascade 3DC, if synchronous replication between sites is recommended to adopt fiber connection, asynchronous replication can be used ISCSI link. B. In Parallel 3DC networking, because the production sites storage systems took on two remote replication data synchronization tasks, the impact on the production center storage system performance is greater than the cascade 3DC network. C. in parallel 3DC, it may be affecting the normal operation of the entire disaster recovery system because a single site fails, so compared to the cascade, reliability is worse. Answer: AB

Question 8 Which of the following technology is not included in the technologies that Huawei OceanStor V3 SmartQoS characteristics use? A. I/O priority scheduling B. Flow Control C. I/O delay control D. Cache partition Answer: D

Question 9 Which of the following cable doesn't OceanStor product support? A. mini SAS cables B. SAS cables C. AOC cable D. FC cable Answer: B

Question 10 IO traffic control technology in SmartQos is based on what mechanism to achieve user performance control objectives (IOPS, bandwidth) for traffic restrictions? A. SHA256 B. SHA1 C. Token Bucket D. DHT Answer: C

Question 11 Which of the following types of LUNs are suitable for Huawei SmartErase features? A. Thin LUN B. Thick LUN C. Snapshot LUNs D. Mirror the LUN Answer: B

Question 12 In OceanStor V3 storage system, when configured LUN Copy, can choose different copy speed according to the business characteristics and storage system performance, if try not to affect the equipment performance when copy date, what speed would be the best choice? A. Low Speed B. Medium Speed C. High Speed D. Maximum speed Answer: A

Question 13 Where is the HyperSnap shared mapping table stored? A. COW Data B. Source LUN C. Snapshot LUN D. COW Meta Answer: D

Question 14 About the process of Huawei OceanStor V3 SmartVirtualization data write-back, when the server issues a data write-back request, the local storage system returns the write I/O result to the server after the data block is written to the local storage system Cache. The data block is then written into heterogeneous storage system. A. True B. False Answer: A

Question 15 In HyperMetro dual-live solution, you usually need to install UItraPath multi-pathing software on the host server. A. True B. False Answer: A

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