以下关于DHCP服务的说法中正确的是 (70) 。 A.在一个子网内只能设置一台DH

题型:单项选择题

问题:

以下关于DHCP服务的说法中正确的是 (70)

A.在一个子网内只能设置一台DHCP服务器,以防止冲突

B.在默认情况下,客户机采用最先到达的DHCP服务器分配的IP地址

C.使用DHCP服务,无法保证某台计算机使用固定IP地址

D.客户端在配置时必须指明DHCP服务器IP地址,才能获得DHCP服务

考点:计算机软件水平考试中级数据库系统工程师中级数据库系统工程师上午试题
题型:单项选择题

阅读理解。

     When Mr David retired,  he bought a small house in a village near the sea. He liked it and hoped to live a quiet life in it.  But to his surprise,  many visitors came to see his house in summer holidays, for it was the most interesting building in the village.  From morning to night,  there were visitors outside the house. They

kept looking into the rooms through the windows and many of them even went into the house. He decided to drive the visitors away.  So he put a notice on the window.  The notice said," lf you want to satisfy your

curiosity(好奇心),come m and look around.   Price:  twenty dollars. "  Mr David was sure that the visitors

would stop coming,  but he was wrong.  More and more visitors came and Mr David had to spend every

day showing them around his house. "I came here to retire, not to work as a guide," he said angrily. In the end, he sold the house and moved away.

1. Mr David's house was _________ that many visitors came to see it.

A. so small

B. so quiet

C. so interesting

D. such interesting

2. Mr David put a notice on the window in order

A. to drive the visitors away_________.

B. to satisfy the visitors' curiosity

C. to let visitors come in and look around

D. to get some money out of the visitors

3. The notice made the visitors__________.

A. more interested in his house

B. lose interest in his house

C. angry at the unfair price

D. feel happy about the price

4. After Mr David put up the notice___________.

A. the visitors didn't come any more

B. fewer and fewer visitors came to see his house

C. more and more visitors came for a visit

D. no visitor would pay for a visit

5. At last he had to sell his house and move away because___________.

A. he did not like it at all

B. he could not work as a guide

C. he made enough money and wanted to buy an expensive house

D. he could not live a quiet life in it

题型:单项选择题

甲公司持有A、B、C三种股票,在由上述股票组成的证券投资组合中,各股票所占的比重分别为50%、30%和20%,其β系数分别为2.0、1.0和0.5。市场收益率为15%,无风险收益率为10%。 A股票当前每股市价为12元,刚收到上一年度派发的每股1.2元的现金股利,预计股利以后每年将增长8%;甲公司再准备购买的D公司的股票的期望投资收益率为19%。 要求:(1) 计算甲公司证券组合的β系数、风险收益率(R[]p)、必要投资收益率(K)、投资A股票的必要投资收益率;(2)利用股票估价模型分析当前出售A股票是否对甲公司有利; (3)计算D公司的股票β系数是多少并说明其经济含义

题型:单项选择题

不符合脑膜炎奈瑟菌标本采集与送检要求的是()

A.取脑脊液标本

B.标本立即送检

C.采集标本时注意无菌操作

D.使用抗生素之前采集标本

E.送检中保持干燥和低温

题型:单项选择题

李某在某菜市场卖菜时使用不符合标准的计量器具,被计量检查员张某在例行检查时发现。张某与李某为邻居,两人一直不合,于是张某借此机会在法定的处罚幅度内对李某进行了过重的罚款。此行政行为主要违反了行政法的哪一项原则

A.责任行政原则

B.行政合法性原则

C.行政合理性原则

D.行政客观性原则

题型:单项选择题

在下有“学生.mdb”数据库。
(1)创建“临时学生”表,字段和学生表完全相同。以临时学生表为数据源,字段创建纵栏格式的“添加学生信息”窗体。
(2)在“添加学生信息”窗体添加页眉标签“添加学生信息”,标签文本字体为宋体、 12号、加粗。在页脚中添加记录操作按钮“添加记录”和“保存记录”按钮,分别实现添加记录和保存记录的操作。“添加学生信息”窗体结果如图所示。

更多题库