1. [单选题]项目成本的类型主要包括直接成本、间接成本、固定成本(fixed cost)和可变成本等。某项目经理在:二作中使用的打印机的墨盒,该项成本跟业务量增长之间的关系是__________。
A. 等比例增长关系
B. 正相关增长关系
C. 负相关增长关系
D. 等差增长关系
2. [单选题]根据《信息技术软件生存周期过程GB/T8566—2007》标准,某大型企业(large enterprise)为实现CRM系统而 准备招标书(invitation for bid)的活动属于生存周期基本过程中的__________ 。
A. 总体规划过程
B. 系统运作过程
C. 供应过程
D. 获取过程
3. [单选题]在IPv6协议中,一台主机通过一个网卡接入网络,该网卡所具有的IPv6地址数最少为______个。
A. 1
B. 2
C. 3
D. 4
4. [多选题]when the system upon which a transport entity is running fails and subsequently reatarts,the()information of all active connections is lost.the affected connections become half-open,as the side that did not fail does not yet realize the promble. The still active side of a half-open connections using a()timer.this timer measures the time transport machine will continue to await an()of a transmitted segment after the segment has been retransmitted the maximum number of times.when the timer(),the transport entity assumes that either the other transport entity or the intervening network has failed.as a result,the timer closes the connection,and signals an abnormal close to the TS user. In the event that a transport entity fails and quickly restart,half-open connections can be teminated more quickly by the use of the RST segment.the failed side returns an RST I to every segment I that it receives.when the RST I reaches the other side,it must be checked for validity dased on the ()number I,as the RST could be in response to an old segment .if the reset is valid,the transport entity performs an abnormal termination.
A. data
B. state
C. signal
D. control
5. [单选题]以下关于软件质量管理过程的叙述中,不正确的是( )
A. 验证过程的目的是确保活动的输出产品满足活动的规范说明
B. 确认过程的目的是确保产品满足其特定的目标
C. 技术评审的目的之一是评价所用管理方法的有效性
D. 审计是正式组织的活动