2018 Huawei H13-621 Real Questions Killtest

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2018 H13-621 Questions KillTest
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• 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

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• 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

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

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• Question 4
• Which of the following products do not belong to
  OceanStor 18500/18800 4S extension technology?
• A. Scale-up
• B. Scale-down
• C. Scale-out
• D. Scale-in
• Answer B

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• 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

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• 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

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• 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

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• 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

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• Question 9
• Which of the following cable doesn't OceanStor
  18800 product support?
• A. mini SAS cables
• B. SAS cables
• C. AOC cable
• D. FC cable
• Answer B

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• 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

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• 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

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• 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

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

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• 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

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• 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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