H3C GB0-621 Certification Exam Sample Questions and Answers

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H3C GB0-621 (H3CS-UIS) Sample Questions:

01. Which of the following statements about UIS HCI authorization is correct?
a) Only require to apply for UIS Manager authorization code
b) Only require to apply for UIS CAS and ONEStor authorization codes
c) If HCI deployment is used, apply for ONEStor authorization
d) UIS, CAS, and ONEStor have different authorization codes
 
02. According to which of the following factors, the UIS HCI platform can trigger dynamic resource scheduling (DRS) to automatically balance VMs on hosts in the cluster?
a) CPU
b) Memory
c) Storage
d) Network
 
03. Which of the following statements about the upgrade version of UIS HCI 7.0 standard edition is correct?
a) Support online/offline upgrade
b) CentOS version must be upgraded when UIS 6.5 is upgraded to 7.0
c) The server can be rebooted immediately when the upgrade command is executed
d) During offline upgrade, it is not required to pause template storage
 
04. Which of the following statements about UIS HCI software upgrade are correct?
a) Hosts must enter the maintenance mode before you execute the upgrade command
b) Execute the upgrade command only on the primary node of management modes
c) Upgrade CentOS version when 0721P03 is upgraded to 0742P03
d) After the upgrade command is executed, you may not log in to the foreground interface transitorily
 
05. Which of the following statements about UIS HCI distributed storage access mode is wrong?
a) Support directly calling libRBD interface to access block devices
b) Under RBD access, it does not pass through the OCFS2 file system layer
c) The RBD access mode needs to discover the storage volume through the network
d) RBD has higher performance than iSCSI access mode
 
06. UIS host fails to link. What are the possible causes?
a) The host management network is abnormal
b) This host modified the root user's password on the background
c) The memory of this host is excessively distributed
d) The CPU of this host is excessively distributed
 
07. Which of the following statements about UIS HCI distributed storage replica redundancy mechanism are correct?
a) Support a minimum of one replica
b) Support a minimum of two replicas
c) Support a maximum of five replicas
d) Support only three replicas
 
08. Which of the following statements about functions of UIS HCI 7.0 products are correct?
a) Provide storage services of different types, such as block, object and file
b) Support management of multiple clusters
c) Can scale up nodes that only contain computing resources
d) Do not support online scale-up of shared storage volume
 
09. Which of the following statements about UIS CloudOS deployment are correct?
a) After UIS CloudOS components are deployed through the component interface of UIS standard edition, you can log in to the enterprise edition interface and incorporate built-in sites immediately
b) UIS CloudOS stand-alone deployment only needs to reserve one SSD on one host.
c) UIS CloudOS can incorporate UIS standard edition as a built-in site
d) In the case of cluster deployment, it is not necessary to create shared storage volumes for UIS CloudOS, such as postgres, elastic search, etc
 
10. Which of the following statements about UIS HCI log collection?
a) Collect CAS and ONEStor logs through the foreground interface
b) Collect logs through the background only
c) Collect CAS component logs only on the foreground
d) Collect ONEStor component logs only on the foreground

Solutions:

Question: 01

Answer: d

Question: 02

Answer: a, b, c

Question: 03

Answer: a

Question: 04

Answer: b, c, d

Question: 05

Answer: c

Question: 06

Answer: a, b

Question: 07

Answer: b, c

Question: 08

Answer: a, b, c

Question: 09

Answer: c, d

Question: 10

Answer: a

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