1.Which statement is false?
A: Lack of memory can exhibit itself as a disk bottleneck
B: If the sum of operating system memory, Oracle8i memory, and non-Oracle application memory exceeds physical RAM, memory paging will occur.
C: You should tune memory after you tune disk subsystem
D: You should tune the application and SQL before making final determination of the physical memory in your system.
Correct Answers: CHP0-302 HP0-401 HP0-538
A: Lack of memory can exhibit itself as a disk bottleneck
B: If the sum of operating system memory, Oracle8i memory, and non-Oracle application memory exceeds physical RAM, memory paging will occur.
C: You should tune memory after you tune disk subsystem
D: You should tune the application and SQL before making final determination of the physical memory in your system.
Correct Answers: CHP0-302 HP0-401 HP0-538
2.How would you configure the disk controller cache for the highest performance in an I/O request-intensive Oracle environment (for example, an OLTP system)?
A: Disable caching for the redo logs, and 25%read cache/75% write-back cache for the database
B: Read-ahead caching for the redo log and the database
C: Write-back caching for the redo logs and the database
D: Write-back caching for the redo logs, and 75% read cache/25% write-back cache for the database
Correct Answers: C
HP0-094 HP0-244
B: Read-ahead caching for the redo log and the database
C: Write-back caching for the redo logs and the database
D: Write-back caching for the redo logs, and 75% read cache/25% write-back cache for the database
Correct Answers: C
HP0-094 HP0-244
3.A system is capable of processing 2500 transactions per minute. By adding another processor, the transactions-per-minute rate increases to 4200. What is this type of measurement called?
A: Processing latency
B: Processor affinity
C: Processor scale-up
D: Processor speed-up
Correct Answers: C
B: Processor affinity
C: Processor scale-up
D: Processor speed-up
Correct Answers: C
