计算机操作员中级
相似问题和答案
第1题：
A.log file parallel write
B.latch：cache buffers chains
C.db file sequential read
D.db file scattered read
第2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/hcurveDefine
- B、project/mapfile
- C、project/support
- D、project/graph
正确答案:A
第3题：
A.缓冲区
B.句柄
C.浏览
D.备份
第4题：
Oracle数据中，下列哪些等待事件将产生大量的IO？（）
- A、log file parallel write
- B、latch：cache buffers chains
- C、db file sequential read
- D、db file scattered read
正确答案:C,D
第5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.
正确答案:B,D
第6题：
Buffers表示的是（）。
- A、缓冲区
- B、句柄
- C、浏览
- D、备份
正确答案:A
第7题：
CONFIG. SYS文件中常用的命令有（）
- A、 DOS内部命令
- B、 DOS外部命令
- C、 BUFFERS命令
- D、 FILES命令
正确答案:C,D
第8题：
A.Global buffers such as the InnoDB buffer pool are allocated after the server starts, and are never freed
B.Thread buffers are allocated when a client connects, and are freed when the client disconnects
C.Buffers that are needed for certain operation are allocated when the operation starts, and freed when it ends
D.User buffers are allocated at server startup and freed when the user is dropped
E.All dynamic buffers that are set with a SET GLOBAL statement immediately get allocated globally, and are never freed
第9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-config
- B、DISPLAY interface
- C、DISPLAY startup-config
- D、DISPLAY memory
- E、DISPLAY ip config
- F、DISPLAY buffers
正确答案:C
第10题：
What are two reasons for packet loss on a VoIP connection？（）
- A、serialization delay
- B、overrun
- C、full buffers and queues
- D、propagation delay
- E、shaping delay
- F、TCP header errors
正确答案:B,C