최신 Certified Administrator C2090-919 무료샘플문제:
1. What does the ovbuff field of an onstat -p output show?
A) The number of times that any buffer was overwritten.
B) The number of times that a buffer was read.
C) The number of times the instance ran out of free buffers.
D) The number of times a buffer was extended.
2. Which command line utility displays real time statistics about the instance?
A) dbschema
B) onmachinfo
C) dbinfo
D) onstat
3. Which two objects are NOT included in a backup? (Choose two.)
A) Basic text search indexes stored in external dbspaces
B) External tables
C) Indexes
D) Tables
E) Simple blob data stored in simple blobspaces
4. Which SQL Administration API command will merge non-contiguous table extents?
A) table repack
B) merge extents
C) shrink
D) defragment
5. Which statement about in-place migration is true?
A) In-place migration requires that the DBA copy the database schema, user data, and
user objects from the older version to the newer version of Informix.
B) In-place migration is possible when an Informix instance is migrated from an older version of Informix on the same operating system.
C) In-place migration is possible when an Informix instance is migrated from a non-Informix database management system.
D) In-place migration is possible when an Informix instance is migrated from an older version of Informix on a different operating system.
질문과 대답:
| 질문 # 1 정답: C | 질문 # 2 정답: D | 질문 # 3 정답: A,B | 질문 # 4 정답: D | 질문 # 5 정답: B |
927 개 고객 리뷰
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