大量的广播信息会降低整个计算机网络的性能,其主要原因是 (19) 。通常,能够抑制某

题型:单项选择题

问题:

大量的广播信息会降低整个计算机网络的性能,其主要原因是 (19) 。通常,能够抑制某个网络广播风暴的网络设备主要有 (20)

A.中继器和路由器

B.集线器和普通交换机

C.网桥和交换机

D.路由器和第三层交换机

考点:计算机软件水平考试高级信息系统项目管理师高级信息系统项目管理师上午试题
题型:单项选择题

Joe Robison, CFA is an investment manager with full responsibility for the Gemstone Corporation relationship. During the past 12 months Joe has used 75% of the client brokerage of Gemstone to execute the Company’s stock trades and to directly assist in the investment decision process of Gemstone: Joe has independently obtained best price and execution for all of Gemstone’s stock trades. The remaining 25% of the client brokerage has been used to purchase bookshelves and computer chairs for Joe’s investment firm’s library. Which of the following is the most accurate statement pertaining to Joe’s use of the above soft dollars ()

A. Joe has properly used Gemstone’s client brokerage since he obtained best price and execution for all of the stock trades.

B. The 75 % of the client brokerage used by Joe was in full compliance with the Soft Dollar standard. The remaining 25% use of Gemstone’s client brokerage should be disallowed since it did not directly assist Joe in the investment decision process of Gemstone.

C. Joe’s use of soft dollars for Gemstone was proper since the client brokerage is the property of the investment firm and can be allocated per the direction of the investment manager.

题型:单项选择题

《事故调查与分析管理制度》中发生人员重伤、死亡、火灾、爆炸、()、机组降出力、中断供热、垮坝、较大以上经济损失等事故时,各事故单位()应在第一时间内报告国华电力生产值班。

题型:单项选择题

下表是2006年我国国际收支平衡表简表,请根据此表在下列备选答案中选出正确答案(2006年1美元对人民币的中间价为7.9718)

2006年中国国际收支平衡表单位:亿美元

根据以上材料,请回答问题:

已知我国2006年国内生产总值为210871.0亿元,则根据上表计算的2006年国民生产总值(或国民总收入)为()亿元。

A.209933.9

B.214135.8

C.211808.1

D.207606.2

题型:单项选择题

器官发生期易发生()

A.母体死亡

B.母体毒性

C.致畸作用

D.生长迟缓

E.受精卵死亡

题型:单项选择题

氨蒸发器B压力下降,液位正常主要原因是()。

A.液氨油含量多

B.液氨油含量少

C.成品酸浓度低

D.液氨进料波动

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