first buffer
第1题:
In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments.On further investigation, you find that buffer busy waits is caused by contention on data blocks.Which option would you consider first to decrease the wait event immediately?()
A. Decreasing PCTUSED
B. Decreasing PCTFREE
C. Increasing the number of DBWN process
D. Using Automatic Segment Space Management (ASSM)
E. Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation
第2题:
在文件中用来写一组数据,buffer:是一个指针,size:是要写的字节,count:是要写多少个数据项,fp:文件型指针,一般调用形式是()
第3题:
Lossless Ethernet for FCoE is achieved through the use of which features?()
第4题:
在执行“LEA BX,BUFFER”指令时,是把()。
第5题:
You noticed that large memory allocations for the Oracle backup and restore operations are causing a performance overhead on the shared pool. Which memory structure would you configure to avoid this performance overhead?()
第6题:
fwrite函数的一般调用形式是()。
第7题:
以下fread函数的调用形式中,参数类型正确的是()
第8题:
Which is the correct description of a pinned buffer in the database buffer cache()
第9题:
You are creating an undo buffer that stores data modifications.You need to ensure that the undo functionality undoes the most recent data modifications first.You also need to ensure that the undo buffer permits the storage of strings only.Which code segment should you use?()
第10题:
Make the message buffer discoverable to listeners and require authorization.
Make the message buffer discoverable to managers and do not require authorization.
Make the message buffer publicly discoverable. Include a Simple Web Token (SWT) in each message.
Make the message buffer discoverable to managers. Include a Simple Web Token (SWT) in each message.
第11题:
The buffer is currently being accessed.
The buffer is empty and has not been used.
The contents of the buffer have changed and must be flushed to the disk by the DBWn process.
The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
第12题:
Configure the KEEP buffer pool and alter the table with the corresponding storage clause.
Increase the database buffer cache size.
Configure the RECYCLE buffer pool and alter the table with the corresponding storage clause.
Configure Automata Shared Memory Management.
Configure Automatic Memory Management
第13题:
A. Buffer memory is managed dynamically in the I/O module.
B. Buffer memory is managed dynamically in the switch fabric.
C. Buffer memory is managed dynamically on egress line modules.
D. Buffer memory is managed dynamically on ingress line modules
第14题:
在下面语句中,BUFFER称为()。 BUFFER.DB.01H,0AH
第15题:
获得BUFFER单元有效地址的汇编指令为()。
第16题:
Which statement describes queue and buffer managment in the E-series router?()
第17题:
Buffer(缓冲区)
第18题:
能够在页面中关闭缓存的是()。
第19题:
Given this method in a class: public String toString() { StringBuffer buffer = new StringBuffer(); buffer.append(‟<‟); buffer.append(this.name); buffer.append(‟>‟); return buffer.toString(); } Which is true?()
第20题:
In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments. On further investigation, you find that buffer busy waits is caused by contention on data blocks. Which option would you consider first to decrease the wait event immediately?()
第21题:
缓冲区(Buffer zone)
第22题:
第23题:
recycle buffer cache
large pool
streams pool
keep buffer cache
redo log buffer