更多"Spanning Tree Protocol&"的相关试题:
[单项选择]Based on the following information, calculate the basic earnings per share. Income after tax: $180000 50000 common stock of $ 5 par: $ 250000 10000, 8% preference share of $ 5 par: $ 50000（）
A. $3.23.
B. $3.52.
C. $4.97.
[单项选择]Which of the following describes how to calculate the amount of storage in a RAID 5 array?（）
A. Number of drives X capacity of the smallest drive
B. (Number of drives 2) X capacity of the smallest drive
C. Number of drives X capacity of the largest drive
D. (Number of drives 1) X capacity of the smallest drive
[单项选择]Study the following data, calculate the return on equity for 2001 and 2002.
A. 2001
B. 2002
C. Pre-interest profit margin(EBIT/S)
D. 0.3
E. 0.15
F. Asset turnover (S/A)
G. 2
H. 2
I. Leverage multiplier f A/E)
J. 2
K. 2
L. Tax retention rate (1-t)
M. 0.8
N. 0.8
O. Interest expense ratio (I/A)
P. 0.06
Q. 0.06
[单项选择]The scientists calculate that a cup of whole milk provides ______ more than 100 calories of energy.
A. roughly
B. adequately
C. exactly
D. barely
[单项选择] Management has asked you to calculate the value 12*salary* commission_pct for all the employees in the EMP table. The EMP table contains these columns: LAST NAME VARCNAR2(35) NOT NULL SALARY NUMBER(9,2) NOT NULL COMMISION_PCT NUMBER(4,2) Which statement ensures that a value is displayed in the calculated columns for all employees? （）
A. SELECT last_name, 12*salary* commission_pct FROM emp;
B. SELECT last_name, 12*salary* (commission_pct,0) FROM emp;
C. SELECT last_name, 12*salary*(nvl(commission_pct,0)) FROM emp;
D. SELECT last_name, 12*salary*(decode(commission_pct,0)) FROM emp;
[单项选择]You need to calculate the total of all salaries in the accounting department. Which group function should you use?（）
A. MAX
B. MIN
C. SUM
D. COUNT
E. TOTAL
F. LARGEST
[单项选择]To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.
A. total weight of liquid loads
B. total displacement
C. lightweight
D. deadweight
[单项选择]Spanning Tree Protocol calculates path cost based on which of these？（）
A. interface bandwidth
B. interface delay
C. interface bandwidth and delay
D. hop count
E. bridge priority
