Huawei h13-922 practice test

HCIP GaussDB-OLAP V1.0 Exam


Question 1

Which of the following functions cannot be implemented by PostGIS?

  • A. Polygon creation
  • B. Multipoint distance calculation
  • C. Raster data processing
  • D. Geographic coordinate system settings Product Questions: Version:
Answer:

C

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Question 2

(Multiple choice) Which of the following information cannot be obtained using the pg_authid system
table?

  • A. User name
  • B. User plaintext password
  • C. Is the administrator
  • D. Is it locked
Answer:

B, D

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Question 3

(Judgment) When there are too many catalog files for gds import data, you can use the form of
regular expression to specify the LOCATION of the appearance, so as to select the file to be imported.

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 4

(Multiple choice) What input file formats does Migration Tool currently support?

  • A. csv
  • B. sql
  • C. perl
  • D. txt
Answer:

B, C

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Question 5

Which of the following is not a resource that a subtenant can configure?

  • A. CPU limit
  • B. CPU quota
  • C. Permanent table spaces
  • D. Memory
Answer:

C

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Question 6

(Judgment) After CN failure, the entire cluster will still be able to execute DDL statements.

  • A. TRUE
  • B. FALSE
Answer:

B

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Question 7

(Multiple choices). The following description about the selection of the distribution column is
correct?

  • A. Normally, the primary key of the table is selected as the distribution column.
  • B. Columns with fewer values are suitable as distribution columns, which can ensure that the data distribution is relatively concentrated.
  • C. The filter condition of the query is name = 'wang five', so the name column should be used as the distribution column.
  • D. Join conditions in queries are more suitable as distribution columns.
Answer:

A, D

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Question 8

(Multiple choices) Which two phases are involved in a two-phase transaction commit?

  • A. Transaction verification phase
  • B. Transaction pre-commit phase
  • C. Transaction rollback phase
  • D. Global commit phase
Answer:

B, D

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Question 9

(Judgment) In the MVCC mode, when each transaction retrieves data, it only sees a snapshot of the
data some time ago, not the latest state of the data.

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 10

(Multiple choices) Which databases does GaussDB 200 database system initially include?

  • A. template1
  • B. postgres
  • C. GaussDB 200
  • D. template0
Answer:

A, B, D

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