网友您好， 请在下方输入框内输入要搜索的题目：

题目内容 （请给出正确答案）

IP multicasting is a set of technologies that enable efficient delivery of data to many locations

on a network. Rather than making multiple copies of a message intended to be distributed

to multiple recipients at the __(71)__ of origin of a message, multicasting initially sends just

one __(72)__ and does not copy it to the individual recipients until it reaches the closest common point

on the network, thereby __(73)__ the bandwidth consumed. Network performance is significantly

(74) because it isn’t bogged down with the processing and transmission of several large data files;

each receiving computer doesn’t have to __(75)__ the transmitting server for the file.

(71)

A. point

B. bottom

C. head

D. sight

参考答案

更多 “ IP multicasting is a set of technologies that enable efficient delivery of data to many locationson a network. Rather than making multiple copies of a message intended to be distributedto multiple recipients at the __(71)__ of origin of a message, multicasting initially sends justone __(72)__ and does not copy it to the individual recipients until it reaches the closest common pointon the network, thereby __(73)__ the bandwidth consumed. Network performance is significantly(74) because it isn’t bogged down with the processing and transmission of several large data files;each receiving computer doesn’t have to __(75)__ the transmitting server for the file.(71)A. pointB. bottomC. headD. sight ” 相关考题
考题 ●在 Excel 中，某个单元格的内容由公式计算得出，如该单元格显示为#DIV/0!， 说明计算公式的 （52）（52）A.格式错误B.分子值为字符C.分母值为字符D.分母值为0
查看答案
考题 FTP协议使用两条TCP连接来完成文件传输，一条连接用于传送控制信息(命令和响应)，另一条连接用于数据发送。如果某FTP服务器不采用默认的TCP端口来响应FTP客户请求，而是使用TCP端口600，那么其数据端口为______。
查看答案
考题 Communication networks can be classified in terms of their physical arrangement or(74)Three common(74)are the star, bus, and ting.A．structuresB．topologiesC．protocolsD．frames
查看答案
考题 ______ is a contiguous, numbered set of variables of a given base type, which can be used and passed to functions as a unit.A．RecordB．ArrayC．FileD．Parameter
查看答案
考题 不同的交换方式具有不同的性能。为了使数据在网络中的传输延迟最小，首选的交换方式是(31)。A．电路交换B．报文交换C．数据报分组交换D．虚电路分组交换
查看答案
考题 ●指令系统采用多种寻址方式的目的主要是（）。（）A．缩短指令长度、扩大寻址空间、提高编程灵活性B．可以直接快速访问多种外部设备C．便于对程序的运行进行有效控制D．便于阅读理解程序，便于程序的测试和修改
查看答案
考题 ●以下关于C语言与C++语言的叙述中，正确的是(32)。(32)A．只要将C程序的扩展名.c改为.cpp，就可将过程式的C程序转换为面向对象的C++程序B．由于C++是在C的基础上扩展的，所以C++编译器能编译C源程序C．在C程序中，也可以用结构体类型定义类D．与C不同，C++程序中的函数必须属于某个类
查看答案
热门标签
最新试卷