网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Buffers表示的是（）。
- A、缓冲区
- B、句柄
- C、浏览
- D、备份
参考答案
更多 “Buffers表示的是（）。A、缓冲区B、句柄C、浏览D、备份” 相关考题
考题
Which three statements are true about memory buffer allocation by a MySQL Server?()
A.Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freedB.Thread buffers are allocated when a client connects, and are freed when the client disconnectsC.Buffers that are needed for certain operation are allocated when the operation starts, and freed when it endsD.User buffers are allocated at server startup and freed when the user is droppedE.All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed
考题
Oracle数据中,下列哪些等待事件将产生大量的IO?()
A.log file parallel writeB.latch：cache buffers chainsC.db file sequential readD.db file scattered read
考题
V2监控系统监控运行窗口遥测值趋势曲线无反应，可删除（）进行处理A、project/Buffers/hcurveDefineB、project/mapfileC、project/supportD、project/graph
考题
What are the consequences of executing the SHUTDOWN ABORT command？ （）A、The database files are synchronized.B、Uncommitted changes are not rolled back.C、The database is closed， but the instance is still started.D、Database buffers and redo buffers are not written to the disk.E、The database undergoes automatic media recovery during the next startup.
考题
查看路由器上的所有保存在flash中的配置数据应在特权模式下输入命令：（）A、DISPLAY running-configB、DISPLAY interfaceC、DISPLAY startup-configD、DISPLAY memoryE、DISPLAY ip configF、DISPLAY buffers
考题
Oracle数据中，下列哪些等待事件将产生大量的IO？（）A、log file parallel writeB、latch：cache buffers chainsC、db file sequential readD、db file scattered read
考题
What are two reasons for packet loss on a VoIP connection？（）A、serialization delayB、overrunC、full buffers and queuesD、propagation delayE、shaping delayF、TCP header errors
考题
Which of the following events would not explain excessive CPU utilization？（）A、A large number of BGP sessionsB、A large BGP tableC、A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1D、All interface buffers are continually in useE、A flapping interfaceF、The router sends a large number of ARP requests
考题
Which three statements are true about memory buffer allocation by a MySQL Server?（）A、Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freedB、Thread buffers are allocated when a client connects, and are freed when the client disconnectsC、Buffers that are needed for certain operation are allocated when the operation starts, and freed when it endsD、User buffers are allocated at server startup and freed when the user is droppedE、All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed
考题
Which two statements about the background process of the database writer are true（）A、It is possible to have multiple database writers in an Oracle instance.B、It writes dirty buffers， if any， to data files whenever a checkpoint occurs.C、It writes dirty buffers， if any， to data files whenever a transaction commits.D、It writes dirty buffers， if any， to data files before the log writer （LGWR） writes
考题
Which two statements about the background process of thedatabase writerare true（） A、It is possible to have multiple database writers in an Oracle instance.B、It writes dirty buffers， if any， to data files whenever a checkpoint occurs.C、It writes dirty buffers， if any， to data files whenever a transaction commits.D、It writes dirty buffers， if any， to data files before the log writer （LGWR） writes.
考题
Which background process is responsible for writing the dirty buffers from the write list to the data files during a checkpoint？（）A、CKPTB、SMONC、LGWRD、DBWnE、ARCn
考题
What is the solution for the "maximum socket buffer size" warnings in Oracle Coherence version 3.1 to 3.3 ？ （）A、 configure the OS allow for larger buffersB、 upgrade the Coherence versionC、 configure the OS allow for small buffersD、 configure the OS allow for small buffers and upgrade the Coherence version
考题
多选题Which two statements about the background process of thedatabase writerare true（）AIt is possible to have multiple database writers in an Oracle instance.BIt writes dirty buffers， if any， to data files whenever a checkpoint occurs.CIt writes dirty buffers， if any， to data files whenever a transaction commits.DIt writes dirty buffers， if any， to data files before the log writer （LGWR） writes.
考题
单选题What is the solution for the "maximum socket buffer size" warnings in Oracle Coherence version 3.1 to 3.3 ？ （）A
configure the OS allow for larger buffersB
upgrade the Coherence versionC
configure the OS allow for small buffersD
configure the OS allow for small buffers and upgrade the Coherence version
考题
多选题Which two statements about the background process of the database writer are true（）AIt is possible to have multiple database writers in an Oracle instance.BIt writes dirty buffers， if any， to data files whenever a checkpoint occurs.CIt writes dirty buffers， if any， to data files whenever a transaction commits.DIt writes dirty buffers， if any， to data files before the log writer （LGWR） writes
考题
单选题You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?（）A
Writes buffers to disk B
Writes current redo log number to datafile headers C
Writes redo log information to disk D
Reads information into memory for users
考题
多选题Examine the details of the Top 5 Timed Events in the following Automatic Workloads Repository (AWR)report:What are three possible causes for the latch-related wait events?（）AThe size of the shared pool is too small.BCursors are not being shared.CA large number COMMITS are being performed.DThere are frequent logons and logoffs.EThe buffers are being read into the buffer cache, but some other session is changing the buffers.
考题
单选题Identify the memory component from which memory may be allocated for: （） 1: Session memory for the shared server 2: Buffers for I/O slaves 3: Oracle Database Recovery Manager (RMAN) backup and restore operationsA
Large PoolB
Redo Log BufferC
Database Buffer CacheD
Program Global Area （PGA）
考题
单选题You executed the following command to start the database： SQL STARTUP ORACLE instance started. Total System Global Area 281018368 bytes Fixed Size 789000 bytes Variable Size 229635576 bytes Database Buffers 50331648 bytes Redo Buffers 262144 bytes ORA-00205： error in identifying controlfile， check alert log for more info Which view would you query at this stage to investigate this missing control file？（）A
V$INSTANCEB
V$CONTROLFILEC
DBA_CONTROL_FILESD
V$DATABASE_PROPERTIESE
V$CONTROLFILE_RECORD_SECTION
考题
多选题Which three statements are true about memory buffer allocation by a MySQL Server?（）AGlobal buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freedBThread buffers are allocated when a client connects, and are freed when the client disconnectsCBuffers that are needed for certain operation are allocated when the operation starts, and freed when it endsDUser buffers are allocated at server startup and freed when the user is droppedEAll dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed
考题
单选题Flushing dirty buffers out of the buffer cache is influenced to the greatest extent by which of the following process?（）A
ARCH B
SMON C
LGWRD
SERVER
考题
多选题What are the consequences of executing the SHUTDOWN ABORT command？ （）AThe database files are synchronized.BUncommitted changes are not rolled back.CThe database is closed， but the instance is still started.DDatabase buffers and redo buffers are not written to the disk.EThe database undergoes automatic media recovery during the next startup.
热门标签
最新试卷
