Which spread spectrum technology does the 802.11b standard define foroperation?()
A、A.IR
B、B.DSSS
C、C.FHSS
D、D.DSSS and FHSS
E、E.IR,FHSS,and DSSS
A、A.IR
B、B.DSSS
C、C.FHSS
D、D.DSSS and FHSS
E、E.IR,FHSS,and DSSS
A、 All types of files are spread across all disks in the disk group. B、 Datafiles C、 Redo log files D、 Archived redo log files E、 Control files
A、An extent cannot spread across data files. B、A segment cannot spread across data files. C、A data file can belong to only one tablespace. D、A data file can have only one segment created in it. E、A data block can spread across multiple data files as it can consist of multiple operating system (OS)blocks
A、An extent cannot spread across data files. B、A segment cannot spread across data files. C、A data file can belong to only one tablespace. D、A data file can have only one segment created in it. E、A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.
A、RECOVERY_PARALLELISM B、FAST_START_MTTR_TARGET C、LOG_CHECKPOINT_INTERVAL D、FAST_START_PARALLEL_ROLLBACK
A、multiple LUNs in a single array B、multiple switches C、multiple host bus adapters D、multiple internal servers
A、A. Replace the hard disk with a faster disk drive. B、B. Add another paging space on another hdisk. C、C. Spread the data hdisk0 across several hdisks. D、D. Nothing, since %iowait is a measurement of CPU time.