试卷相关题目
- 1● 帧中继作为一种远程接入方式有许多优点,下面的选项中错误的是 (69) 。
A.帧中继比 X.25 的通信开销少,传输速度更快
B.帧中继与 DDN 相比,能以更灵活的方式支持突发式通信
C.帧中继比异步传输模式能提供更高的数据速率
D.租用帧中继虚电路比租用 DDN 专线的费用低
开始考试点击查看答案 - 2● HTTP 协议中,用于读取一个网页的操作方法为 (68) 。
A.READ
B.GET
C.HEAD
D.POST
开始考试点击查看答案 - 3● 公钥体系中,私钥用于 (66) ,公钥用于 (67) 。
A.解密和签名
B.加密和签名
C.解密和认证
D.加密和认证
开始考试点击查看答案 - 4● (65) 不能保证求得 0-1 背包问题的最优解。
A.分支限界法
B.贪心算法
C.回溯法
D.动态规划策略
开始考试点击查看答案 - 5● 下面 C 程序段中 count++语句执行的次数为 (64) 。 for(int i = 1;i <= 11;i *= 2) for(int j = 1; j <= i;j++) count++;
A.15
B.16
C.31
D.32
开始考试点击查看答案 - 6● People are i ndulging in an illusion whenever t hey find themselves explaining at a cocktail(鸡尾酒) party, say, that they are "i n computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between us, they usually aren't. The researchers who made fundamental breakthroughs in those areas are in a high-tech busi ness. The rest of us are (71) of their work. We use computers and other new t echnology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working groups(紧密联系在一起的工作小组), we are mostl y in the human communication business. Our successes stemfrom good human int eractions by all participants in the effort, and our failures stem from poor human interactions.The main reason we tend to focus on t he (72) rather t han the human side of the work isnot because it's more (73) , but because it's easier to do. Getting the new disk drive installed is positively trivial compared t o figuring out why Horace is in a blue funk(恐惧) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp(干脆的,干净利落的) and clean in their effects, but they matter more than any other aspect of the work.If you find yourself concentrating on the (74) rather than the (75), you're like t hevaudeville character(杂耍人物) who loses his keys on a dark street and looks for them on t he adjacent street because, as he explains, "The light is better there!".
A.creators
B.innovators
C.appliers
D.inventors
开始考试点击查看答案
最新试卷
注册安全工程师注册安全工程师安全生产法及相关法律知识安全
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识安全
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识国家
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2019
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2018
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2018
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2018
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2014
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2014
类别:建筑类其它注册安全工程师注册安全工程师安全生产法及相关法律知识2014
类别:建筑类其它