网络并行计算中机群计算的机群系统可按应用目标分为高可用性机群和
A．高性能机群
B．高网络速率机群
C．高速传输机群
D．高扩展性机群
参考答案：A
解析：[命题目的] 考查并行计算中机群概念。 [解题要点] 机群系统按应用目标可分为高性能机群与高可用性机群。 [错解分析] B)，C)，D)不是按应用目标划分的机群。 [考点链接] 基于网络的并行计算的机群计算、网格计算两大类的性能特点与任务。
根据短文内容，用方框中所给词语的适当形式填空，使文章通顺、完整。（每词限用一次）
Long ago, there lived a learned man in Greece. He was well-known (1) his wide knowledge. And lots of people from all over the country came to (2) things from him. The great man taught his students with all his heart and (3) their questions with great patience. One day a student (4) him, “My dear teacher, didn’t you say you have many more questions than we do? But we think we students have a lot more than you.” With a (5), the teacher drew two circles — one is as (6) as a big plate (盘子), and the other smaller. “Of course, I’ve learned much more. But I don’t think I know all you know. Now, look at these two circles. Inside the big one is my knowledge of things, (7) inside the smaller one yours. Out of the circles is what we don’t know. My circle is larger, so its line is longer. That (8) I have more opportunities to meet with what we don’t know. And that’s (9) I myself have more questions than you do. The more you learn, the more (10) you’ll have. You will never learn enough, you know.” |