The indexed column is declared as NOT NULL.
The indexed columns are used in the FROM clause.
The indexed columns are part of an expression.
The indexed column contains a wide range of values.
第1题：
A. The indexed column is declared as NOT NULL.
B. The indexed columns are used in the FROM clause.
C. The indexed columns are part of an expression.
D. The indexed column contains a wide range of values.
第2题：
A.Router
B.Hub
C.Switch
D.Bridge
第3题：
Which of the following diagrams is most useful in impact analysis:
A arrow diagrams
B precedence diagrams
C decision trees
D Pareto diagrams
E cause and effects diagrams
第4题：
In which scenario would an index be most useful?（）
第5题：
A foam-type portable fire extinguisher would be most useful in combating a fire in ______.
A.solid materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solid
第6题：
A user in the accounting department reports that their office is able to connect to the network, butthey are unable to connect to the Internet.Which of the following documentation would be the MOST useful to the administrator in diagnosing this issue?（） (Select TWO).
A. Physical network diagram
B. Job log
C. Acceptable use policy
D. Baseline documentation
E. Wiring schematic
第7题：
Based on what you know of the job market，which of your courses were the most useful？The least？
第8题：
A. You want to identify the most senior employee in the company.
B. You want to find the manager supervising the largest number of employees.
C. You want to identify the person who makes the highest salary for all employees.
D. You want to rank the top three sales representatives who have sold the maximum number of products.
第9题：
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
第10题：
Which of the following is MOST useful in HVAC planning？ （）