black

计算机考试试题及答案解析

未知题型

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
In low - speed network, it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the(66)between sending the notification and notification arriving at the source, thousands of additional(67)may arrive. In ATM network, a major tool for preventing(68)is(69)control. When a host wants a new virtual(70), it must describe the traffic to be offered and the service expected.
A．interval
B．time
C．slot
D．delay
【参考答案】

A
解析：此处interval表示间隔的意思，其他的选项不可以与inthe...搭配。

相关考题

未知题型 You are the administrator of a SQL server computer. The server is running SQL Server 6.5 and SQL Server 7.0.You install a named instance of SQL Server 2000, and then run the SQL server upgrade wizard. On the database selection screen, some of the SQL Server 6.5 databases are not listed.You cancel the SQL Server upgrade wizard.You need to ensure that the SQL Server 6.5 databases are listed in the wizard. What should you do?

未知题型 You are the administrator of a SQL Server 2000 computer. The server contains a database that has the torn page detection database option enabled. Backups of the database are made daily.The server loses power for one minute. When power is restored, torn pages are detected. You notice in SQL Server Enterprise Manager that the database is marked suspect.You need to correct the problem. What should you do?

未知题型 软件开发工期以及所需的开发人数依赖于软件规模以及开发方式。有人对某种开发方式下软件的规模(以千行源代码为单位)、开发工期(月数)以及平均所需的开发人数做了统计，如下表所示。对于规模为12.8千行源代码(KDSI)的软件，利用上表及线性插值方法，可以估算出这种开发方式所需的开发工期(月数)及开发人数为(63)。

All Rights Reserved 版权所有©计算机考试题库(jsjtiku.com)

备案号：湘ICP备14005140号-4

经营许可证号：湘B2-20140064