问题
单项选择题
假设一个连接的最大数据段长度为2KB，一个TCP的阀值为64KB，如果这时候传输发生了超时，那么新的阀值为( )。
A．32KB
B．63KB
C．128KB
D．2KB
答案
参考答案：A
解析：当发生了超时的情况下，TCP的阀值将会减半。
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假设一个连接的最大数据段长度为2KB，一个TCP的阀值为64KB，如果这时候传输发生了超时，那么新的阀值为( )。
A．32KB
B．63KB
C．128KB
D．2KB
参考答案：A
解析：当发生了超时的情况下，TCP的阀值将会减半。
| During the past three years, the staff members of the Smithsonian Institution’s Family Folklore Project have interviewed hundreds of persons about their family folklore. To prepare for these interviews we drew upon our academic backgrounds in folklore and American studies, and upon our personal backgrounds as members of families, in addition, we reviewed the major instruction guides in genealogy, oral history, family history, and folklore fieldwork. Although these publications were all helpful in some way, no single book was completely adequate since family folklore combines aspects of all the above disciplines. Over time we have developed guidelines and questions that have proven successful for us; we hope that the following suggestions will be helpful to anyone who wishes to collect the folklore of his or her own family. |
What can be inferred about the researchers who conducted the interviews
A．They were mathematicians and physicists.
B．They were historians and sociologists.
C．They had children.
D．They wrote books.