many college graduates find it increasingly hard to get suitable jobs
there is an oversupply of workers and this oversupply is increasing recently
teachers, engineers, physicists and other specialists are extremely needed
colleges and graduate schools have become aware of the severe situation in the labor market
第1题:
A. The statistics are stored in the pending statistics table in the data dictionary.
B. The statistics are treated as the current statistics by the optimizer for all sessions.
C. The statistics are treated as the current statistics by the optimizer for the current sessions only.
D. The statistics are temporary and used by the optimizer for all sessions until this session terminates.
第2题:
A.show interfaces queue ge-0/0/0
B.show statistics queue detail
C.show interfaces ge-0/0/0 statistics extensive
D.monitor interface ge-0/0/0 queue
第3题:
The report from the US Department of Education shows that ______.
A. the number of the expulsions is not large
B. the number of the expulsion is wrong
C. there are soldiers hiding among the students
D. guns are out of control in US schools
47.答案为D。根据第一、二段内容作出该项选择。
第4题:
A Permit to Proceed is issued by the ______.
A.CCS
B.CCIC
C.MSA OF CHINA
D.Department of Labor
第5题:
第6题:
第7题:
交叉分组下频数分析应选择的菜单是()
第8题:
All of the following types of statistics are reported by the iostat command tool EXCEPT:().
第9题:
You are the desktop administrator for your company. All users in the network have Windows XP Professional computers. Users in the research department have dual-processor computers. Users in the research department report that when they run 16-bit Windows programs, their computer performance becomes very slow. You use System Monitor to monitor the users’ computers. You discover that when the users are running their 16-bit applications, one processor shows a sustained utilization of more than 90 percent while the other processor only shows utilization of less than 10 percent. You need to improve application performance for the users in the research department. What should you do?()
第10题:
第11题:
Free memory
CPU statistics
Disk statistics
Terminal statistics
第12题:
第13题:
Examine the data from the EMP table:The COMMISSION column shows the monthly commission earned by the employee.Which three tasks would require subqueries or joins in order to perform in a single step?()
A. Deleting the records of employees who do not earn commission.
B. Increasing the commission of employee 3 by the average commission earned in department 20.
C. Finding the number of employees who do NOT earn commission and are working for department 20.
D. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.
E. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.
F. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.
第14题:
Refer to the exhibit. This shows the NetFlow statistics for a router. You are analyzing the traffic pattern and you are interested in the percentage of packets between 32 and 64 bytes in size and the number of flows in progress. Which of these identifies both numbers correctly?()
A. 69.4%, 4061
B. 24.9%, 980
C. 69.4%, 35
D. 6.94%, 980
E. cannot be determined from this output
第15题:
The main idea of Paragraph Four shows us ______.
A. some examples of shoot in US schools
B. the American's feeling
C. some famous schools
D. that some teachers were killed by students
48.答案为A。根据第四段描述内容作出该项选择。
第16题:
第17题:
第18题:
第19题:
比率分析应当选择的操作菜单是()
第20题:
You executed the following commands: SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’); Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?()
第21题:
some examples of shooting in US schools
the American’s feeling
some famous schools
that some teachers were killed by students
第22题:
show interfaces queue ge-0/0/0
show statistics queue detail
show interfaces ge-0/0/0 statistics extensive
monitor interface ge-0/0/0 queue
第23题:
many college graduates find it increasingly hard to get suitable jobs
there is an oversupply of workers and this oversupply is increasing recently
teachers, engineers, physicists and other specialists are extremely needed
colleges and graduate schools have become aware of the severe situation in the labor market
第24题:
the number of the expulsions is not large
the number of the expulsions is wrong
there are soldiers hiding among the students
guns are out of control in US schools