题目内容

使用netstat-an命令可显示所测试网络的 (42) 。

A. IP、ICMP、TCP、UDP协议的统计信息
B. 以太网统计信息
C. 以数字格式显示所有连接、地址及端口
D. 显示与每个连接相关所属进程ID

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______ (既然这事情非常紧急)，we dealt with it immediately．

耕地占补平衡，实行占用耕地的建设用地项目与补充耕地的土地开发整理项目挂钩制度。( )

A. 对
B. 错

Bluetooth is a universal radio interface in the (71) frequency hand that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc networks. Each unit can simultaneously communicate with up to (72) other units per piconet. Moreover, each unit can simultaneously (73) to several piconets. Eliminates the need for wires, cables and connectors for and between cordless or mobile phones, modems, headsets, PDAs, Computers, printers, projectors, local area networks, and so on, and paves the way for new and completely different devices and applications. Technology Characteristics (74) symbol rate exploits maximum available (75) bandwidth。

A. server
B. firewall
C. clinet
D. router

为满足公司业务发展的需要，要求楼内综合布线系统为客户机提供数据速率为100Mb/s的数据、图像及语音传输服务，信息插座通常选用 (24) 。当布线结构需要调整时，可通过布线配线系统来重新配置，具体调整手段是通过 (25) 来实现的。

A. 带电话电视插座
B. MT-RJ型光纤模块插座
C. 带RJ-11的RJ-45插座
D. 配备MDVO模块的超5类插座