1Z0-025 Free Dumps Study Materials
Question 2: When using the DBVERIFY tool to detect corruption in an Oracle data block, which statement is
true?
A. The utility can verify data files for a database with any DB_BLOCK_SIZE
B. The utility cannot verify data files for a database with any DB_BLOCK_SIZE greater than 2K bytes.
C. The utility cannot verify data files for a database with any DB_BLOCK_SIZE less than or equal to 4K
bytes.
D. The utility cannot verify data files for a database with any DB_BLOCK_SIZE less than or equal to 8K
bytes.
Correct Answer: A
Explanation:
This utility can work for a database with any data block size. BLOCKSIZE parameter
specifies the database block size explicitly for all cases in which the block size for the
Oracle database is not 2K (2,048 bytes).
Incorrect Answers:
B: The utility CAN verify data files for a database with any DB_BLOCK_SIZE greater than 2K bytes.
C: The utility CAN verify data files for a database with any DB_BLOCK_SIZE less than or equal to 4K
bytes.
D: The utility CAN verify data files for a database with any DB_BLOCK_SIZE less than or equal to 8K
bytes. Oracle 8, DBA Certification Exam Guide, Jason S Couchman, p. 659-661 Chapter 14: database
Failure and Recovery