问题:
[单选] Which of the following are included with the built-in features of the IBM XIV Storage System?()
A . snapshots, deduplication, volume mirroring
B . deduplication, thin provisioning, snapshots
C . snapshots, remote mirroring, thin provisioning
D . remote mirroring, thin provisioning, deduplicatio
Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? () SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;。 SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;。 SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;。 SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;。 SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual。
生物学消化
What is the default AU size of an ASM disk group? What is the maximum AU size in an ASM disk group?() 100KB default, 10TB maximum。 256KB default, 1024MB maximum。 10MB default, 126PB maximum。 64KB default, 1EB maximum。 1MB default, 64MB maximum。
You work as a database administrator for Supportcenter.cn. You want to configure database backups to be run automatically. Which tool or utility would you use to achieve this?() The DBMS_JOB package。 The BACKUP_JOB package。 The DBMS_BACKUP_RESTORE package。 The calendar tool in the Operating System (OS)。 The backup scheduler in Enterprise Manager (EM)。 The DBMS_BACKUP_SCHEDULER packager inline mode。
Which of the following is a correct statement about rPerf?() It can only be used on systems running without partitions.。 It is relevant for IBM systems running the AIX operating system.。 It is the main benchmark for sizing systems that will run HPC applications.。 It has a direct relationship with other benchmarks like TPC-C and SpecjAppServer2004.。
Which of the following are included with the built-in features of the IBM XIV Storage System?()